### 2018

- L. Mazzarella, R.J. Donaldson, R.J. Collins, U. Zanforlin, G. Tatsi, G.S. Buller, and J. Jeffers,
*"A learning scheme with coherent state amplification"*,**To be presented at:**Central European Workshop on Quantum Optics, Palma de Mallorca, Spain (May 2018). - J. Tachella, Y Altmann, A. Maccarone, A. McCarthy, R.A. Lamb, J.–Y. Tourneret, S. McLaughlin, and G.S. Buller,
*"Analysis of three–dimensional scenes using photon–starved data in cluttered target scenarios"*, SPIE Defense and Commercial Sensing, Orlando, Florida, USA (April 2018). - A. Maccarone, A. McCarthy, A. Halimi, J. Tachella, Y. Altmann, A.M. Wallace, S. McLaughlin, Y. Petillot, and G.S. Buller,
*"Time–correlated single–photon counting for single and multiple wavelength underwater depth imaging"*, SPIE Defense and Commercial Sensing, Orlando, Florida, USA (April 2018). - R. Tobin, A. Halimi, A. McCarthy, M. Laurenzis, F. Christnacher, and G.S. Buller,
*"Depth imaging through obscurants using time–correlated single–photon counting"*, SPIE Defense and Commercial Sensing, Orlando, Florida, USA (April 2018). - R.J. Donaldson, L. Mazzarella, R.J. Collins, U. Zanforlin, J. Jeffers, and G.S. Buller,
*"Quantum optical state comparison amplification of coherent states"*, SPIE Photonics Europe, Strasbourg, France (April 2018). - L. Mazzarella, G. Tatsi, J. Jeffers, R.J. Donaldson, R.J. Collins, U. Zanforlin, and, G.S. Buller,
*"Quantum state comparison amplifier with feedforward state correction"*, SPIE Photonics Europe, Strasbourg, France (April 2018). - L. Mazzarella, R.J. Donaldson, R.J. Collins, U. Zanforlin, G. Tatsi, G.S. Buller, and J. Jeffers,
*"A learning scheme with coherent state amplification"*, Quantum Machine Learning and Biomimetic Quantum Technologies, Bilbao, Spain (March 2018).

### 2017

- A. Halimi, P. Connolly, X. Ren, Y. Altmann, I. Gyongy, R. K. Henderson, S. McLaughlin, and G.S. Buller, "Restoration of Depth and Intensity Images using a Graph Laplacian Regularization", IEEE International Workshop on Computational Advances in Multi–Sensor Adaptive Processing (CAMSAP), Curaçao, Dutch Antilles (December 2017).
- G. S. Buller, R. Tobin, A. McCarthy, A. Halimi, X. Ren, M. Laurenzis, and F. Christnacher, "Single photon imaging through obscurants and camouflage", 6th Workshop on Active Imaging, Institute Saint Louis, France (November 2017).
- L. Mazzarella, R.J. Donaldson, R.J. Collins, U. Zanforlin, G.S. Buller, and J. Jeffers,
*"State comparison amplification of optical quantum coherent states"*, QCrypt 2017, Cambridge, UK (October 2016). - R.J. Donaldson, L. Mazzarella, R.J. Collins, J. Jeffers, and G.S. Buller,
*"State comparison amplification of optical quantum coherent states"*, QCrypt 2017, Cambridge, UK (October 2016). - R.J. Collins, R. Amiri, M. Fujiwara, T. Honjo, K. Shimizu, K. Tamaki, M. Takeoka, R.J. Donaldson, M. Sasaki, E. Andersson, and G.S. Buller,
*"Photonic quantum digital signatures transmitted over a channel loss equivalent to 134 km"*, QCrypt 2017, Cambridge, UK (October 2016). - A. Halimi, R. Tobin, A. McCarthy, S. McLaughlin, and G.S. Buller, "Restoration of Multilayered Single–Photon 3D LiDAR Images", European Signal Processing Conference (EUSIPCO), Kos Island, Greece, (September 2017).
- Y. Altmann, R. Tobin, , A. McCarthy, G.S. Buller, S. McLaughlin,
*"Comparison of sampling strategies for 3D scene reconstruction from sparse multispectral lidar waveforms"*, SPIE Optics and Photonics, San Diego (August 2017) - L. Mazzarella, R.J. Donaldson, R.J. Collins, U. Zanforlin, G.S. Buller, J. Jeffers,
*"A state comparison amplifier with feed forward state correction"*, 48th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics, Sacramento, California, USA (June 2017). - A. Maccarone, A. Halimi, A. McCarthy, R. Tobin, S. McLaughlin, Y. Petillot, G.S. Buller,
*"Underwater Three–Dimensional Imaging using Single Photon Detection"*, CLEO, San Jose, California, USA (May 2017). - A. Halimi, J. Bioucas–Dias, N. Dobigeon, G.S. Buller, and S. McLaughlin,
*"Fast Hyperspectral Unmixing in Presence of Sparse Multiple Scattering Nonlinearities"*IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), New Orleans, U.S.A. (March 2017).

### 2016

- P.S. Chhabra, A. Maccarone, A. McCarthy, A.M. Wallace, G.S. Buller,
*"Discriminating underwater LiDAR target signatures using sparse multi–spectral depth codes"*, Sensor Signal Processing for Defence (SSPD), Edinburgh, UK (September 2016). - A. Halimi, Y. Altmann, G.S. Buller, S. McLaughlin, W. Oxford, D. Clarke and J. Piper,
*"Robust Unmixing Algorithms for Hyperspectral Imagery,"*, Sensor Signal Processing for Defence (SSPD), Edinburgh, UK (September 2016). - Y. Altmann, A. Maccarone, A. Halimi, A. McCarthy, G.S. Buller and S. McLaughlin,
*"Fast range estimation and material quantification from multispectral Lidar waveforms"*, Sensor Signal Processing for Defence (SSPD), Edinburgh, UK (September 2016). - A. Pawlikowska, Y. Altmann, A. Halimi, G.S. Buller and R.A. Lamb,
*"Long–range 3D imaging lidar with single element and Geiger–mode array detectors"*, SPIE Security + Defence, Edinburgh, UK (September 2016). - A. Maccarone, A. McCarthy, A. Halimi, R. Tobin, A.M.Wallace, Y.R. Petillot and G.S. Buller,
*"Depth imaging in highly scattering underwater environments using time–correlated single photon counting"*, SPIE Security + Defence, Edinburgh, UK (September 2016). - R.J. Collins, M. Fujiwara, R. Amiri, T. Honjo, K. Shimizu, K. Tamaki, M. Takeoka, E. Andersson, G.S. Buller, and M. Sasaki,
*"Photonic quantum digital signatures operating over kilometer ranges in installed optical fiber"*, SPIE Security + Defence, Edinburgh, UK (September 2016). - R.J. Collins, M. Fujiwara, R. Amiri, T. Honjo, K. Shimizu, K. Tamaki, M. Takeoka, E. Andersson, G.S. Buller, and M. Sasaki,
*"Kilometer Transmission Range Quantum Digital Signatures"*, QCrypt2016, Washington, USA (September 2016). - X. Ren, Y. Altmann, A. McCarthy, A. Halimi, R. Tobin, S. McLaughlin and G.S. Buller,
*"Depth imaging using sparse single–photon data"*, Photon16, Leeds, UK (September 2016). - Y. Altmann, A. Maccarone, A. McCarthy, G.S. Buller, and S. Mclaughlin,
*"Joint spectral clustering and range estimation for 3D scene reconstruction using multispectral Lidar waveforms"*, European Signal Processing Conference (EUSIPCO), Budapest, Hungary (August 2016). - A. Halimi, Y. Altmann, A. McCarthy, X. Ren, R. Tobin, G.S. Buller, S. McLaughlin,
*"Restoration of Intensity and Depth images Constructed Using Sparse Single–Photon Data"*, European Signal Processing Conference (EUSIPCO), Budapest, Hungary (August 2016). - A. Halimi, G.S. Buller, S. McLaughlin, and P. Honeine,
*"Filtering Smooth Altimetric Signals Using a Bayesian Algorithm"*, European Signal Processing Conference (EUSIPCO), Budapest, Hungary (August 2016). - A. Halimi, P. Honeine, J. Bioucas‑Dias, G.S. Buller, and S. McLaughlin,
*"Nonlinear hyperspectral unmixing accounting for spatial illumination variability"*, 8^{th}Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing, Los Angeles, USA (August 2016). - Y. Altmann, A. Maccarone, A. McCarthy, G. Newstadt, G.S. Buller, S. McLaughlin, and A. Hero,
*"Robust spectral unmixing of multispectral lidar waveforms"*, 8^{th}Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing, Los Angeles (August 2016). - R.‑B. Jin, M. Fujiwara, R. Shimizu, R.J. Collins, G.S. Buller, T. Yamashita, S. Miki, H. Terai, M. Takeoka, and M. Sasaki,
*"Detection dependent six–photon NOON state interference"*, QCMC2016, Singapore (July 2016). - Y. Altmann, A. Maccarone, A. McCarthy, G.S. Buller, and S. McLaughlin,
*"Joint range estimation and spectral classification for 3D scene reconstruction using multispectral Lidar waveforms"*, IEEE SSP 2016, Palma de Mallorca (June 2016). - Y. Altmann, X. Ren, A. McCarthy, G.S. Buller, and S. McLaughlin,
*"Target detection for depth imaging using sparse single–photon data"*, IEEE Int. Conf. Acoust., Speech, and Signal Processing (ICASSP), Shanghai, China (April 2016). - R.A. Lamb, A. Pawlikowska, R.M. Pilkington, P. Sinclair, G.S. Buller,
*" Measurement of Cn2 using a single–photon avalanche diode and a Geiger–mode array"*, SPIE Defense + Commercial Sensing, Baltimore, Maryland, USA (April 2016) - N.R. Gemmel, A. McCarthy, M. Kim, I. Veilleux, T. Zhu, G.S. Buller, B. Wilson, R.H. Hadfield,
*"A Compact Fiber Optic Based Singlet Oxygen Luminescence Sensor"*, OSA Cancer Imaging and Therapy, Fort Lauderdale, Florida, USA (April 2016).

### 2015

- K. Kleczkowska, J. Jeffers, R.J. Collins, G.S. Buller,
*"Theoretical model of an experimental quantum digital signature system"*, QCrypt2015, Tokyo, Japan (September/October 2015). - R. Amiri, I. Puthoor, P. Wallden, A. Kent J. Jeffers, E. Andersson, R.J. Donaldson, R.J. Collins, K. Kleczkowska, G.S. Buller,
*"Unconditionally secure quantum signatures"*, QCrypt2015, Tokyo, Japan (September/October 2015). - R.J. Donaldson, R.J. Collins, K. Kleczkowska, R. Amiri, P. Wallden, V. Dunjko, E. Andersson, J. Jeffers, G.S. Buller,
*"Advances in Experimental Quantum Digital Signatures"*, QCrypt2015, Tokyo, Japan (September/October 2015). - R.J. Donaldson, R.J. Collins, K. Kleczkowska, R. Amiri, P. Wallden, V. Dunjko, E. Andersson, J. Jeffers, G.S. Buller,
*"An in–Fiber Experimental Approach to Photonic Quantum Digital Signatures Operating Over Kilometer Ranges"*, Single Photon Workshop 2015, Geneva, Switzerland (July 2015). - A. Maccarone, A. McCarthy, X. Ren, R.E. Warburton, A.M. Wallace, J. Moffat, Y.R. Petillot, and G.S. Buller,
*" Underwater Depth Imaging using Time–correlated Single Photon Counting"*, 4th EOS Topical Meeting on Blue Photonics — Optics in the Sea (Blue Photonics 4), Barcelona, Spain (May 2015)

- A. Maccarone, A. McCarthy, X. Ren, R.E. Warburton, A.M. Wallace, J. Moffat, Y.R. Petillot, and G.S. Buller,
*"Underwater depth imaging using time–correlated single photon counting"*, SPIE DSS Sensing Technology + Applications, Baltimore, Maryland, USA (April 2015)

### 2014

- S. Butera, P. Vines, R.T Moug, K.A. Prior, G.S. Buller,
*"Passivation of low noise InAs avalanche photodiodes using II–VI molecular beam epitaxy overgrowth"*, 18th International Conference on Molecular Beam Epitaxy, Flagstaff, Arizona, USA (September 2014) - R.J. Donaldson, R.J. Collins, J. Jeffers, S.M. Barnett, and G.S. Buller,
*"An experimental demonstration of a simple quantum repeater for use with quantum information systems"*, SPIE Security + Defence, Amsterdam, Netherlands (September 2014) - A.M. Pawlikowska, R.M. Pilkington, K.J. Gordon, P.A. Hiskett, G.S. Buller, and R.A. Lamb,
*"Long–range 3D single–photon imaging lidar system"*, SPIE Security + Defence, Amsterdam, Netherlands (September 2014) - R.J. Collins, R.J. Donaldson, V. Dunjko, P. Wallden, P.J. Clarke, E. Andersson, J. Jeffers, and G.S. Buller,
*"An in Fiber Experimental approach to Photonic Quantum Digital Signatures That Does Not Require Quantum Memory"*, SPIE Security + Defence, Amsterdam, Netherlands (September 2014) - S. Butera, P. Vines, R.T. Moug, K.A. Prior, G.S. Buller, I. Sandall, C.–H. Tan,
*"Passivated InAs mesa photodiodes for infrared detection"*, Photon14, London, UK (September 2014) - X. Ren, A. McCarthy, A.M. Wallace, and G.S. Buller,
*"Multispectral single-photon detection in time–of–flight depth profiling"*, Photon14, London, UK (September 2014) - R.J. Donaldson, R.J. Collins, J. Jeffers, S.M. Barnett, and G.S. Buller,
*"An Experimental Implementation of Super Optimal Coherent State Amplification Without Quantum Resources"*, Photon14, London, UK (September 2014) - A.J. Waddie, A. McCarthy, X. Ren, G.S. Buller, and M.R. Taghizadeh,
*"Integration of Diffractive and Refractive Microlens Arrays with Low–fill Factor Single Photon Avalanche Diode Detectors"*, Photon14, London, UK (September 2014) - R.J. Collins, R.J. Donaldson, V. Dunjko, P. Wallden, P.J. Clarke, E. Andersson, J. Jeffers, and G.S. Buller,
*"An Experimental Implementation of Quantum Digital Signatures That Does Not Require Quantum Memory"*, Photon14, London, UK (September 2014) - N.R. Gemmel, A. McCarthy, B. Liu, M.G. Tanner, S. Dorenbos, V. Zwiller, M. Patterson, G.S. Buller, B. Wilson, R.H. Hadfield,
*"Singlet oxygen luminescence detection with a superconducting nanowire single-photon detector"*, Applied Superconductivity Conference (ASC) 2014, Charlotte, North Carolina, USA (August 2014) - R.H. Hadfield, N.R. Gemmel, R. Aspden, M.G. Tanner, A. McCarthy, X. Ren, G.S. Buller, M.J. Padgett,
*"Single photon imaging with superconducting nanowire single photon detectors"*, Applied Superconductivity Conference (ASC) 2014, Charlotte, North Carolina, USA (August 2014) - X. Ren, A. McCarthy, A. Della Frera, N.R. Gemmel, N.J. Krichel, C. Scarcella, A. Ruggeri, A. Tosi, and G.S. Buller,
*"Time–of–flight Depth Imaging at 1550 nm Wavelength at Kilometer–range Distances Using an InGaAs/InP Single–Photon Avalanche Diode Detector "*, CLEO 2014, San Jose, USA (June 2014)

### 2013

- A. McCarthy, X. Ren, A. Della Frera, N.R. Gemmel, N.J. Krichel, C. Scarcella, A. Ruggeri, A. Tosi, and G.S. Buller,
*"Kilometer–Range Depth Imaging Using an InGaAs/InP Single–Photon Avalanche Diode Detector Operating at a Wavelength of 1550 nm"*, Single Photon Workshop 2013, Oak Ridge, USA (October 2013) - R.J. Collins, R.J. Donaldson, V. Dunjko, P.J. Clarke, E. Andersson, J. Jeffers, and G.S. Buller,
*"Experimental Phase Encoded Photonic Quantum Digital Signatures"*, Single Photon Workshop 2013, Oak Ridge, USA (October 2013) - R.T. Moug, S. Butera, P. Vines, G.S. Buller, K.A. Prior,
*"Direct Growth of ZnSe and CdSe on (100) InAs substrates"*, 16th International Conference on II–VI Compound and Related Materials (II–VI 2013), Nagahama, Japan (September 2013) - R.J. Donaldson, R.J. Collins, V. Dunjko, P.J. Clarke, E. Andersson, J. Jeffers, and G.S. Buller,
*"Unambiguous State Discrimination Approach to Experimental Photonic Quantum Digital Signatures in Fiber"*, SPIE Security + Defence, Dresden, Germany (September 2013) - G. Intermite, R.E. Warburton, M. Myronov, P. Allred, D.R. Leadley, K. Gallacher, D.J. Paul, N.J. Pilgrim, L.J.M. Lever, Z. Ikonic, R.W. Kelsall, and G.S. Buller,
*"Design and performance of a prototype mesa–geometry Ge–on–Si single–photon avalanche diode detector at 1310 nm and 1550 nm wavelengths"*, The IEEE 10th International Conference on Group IV Photonics (GFP), Seoul, Korea (August 2013) - G. Intermite, R.E. Warburton, M. Myronov, P. Allred, D.R. Leadley, K. Gallacher, D.J. Paul, N.J. Pilgrim, L.J.M. Lever, Z. Ikonic, R.W. Kelsall, and G.S. Buller,
*"Ge–on–Si single–photon avalanche diode near–IR detectors"*, UK Semiconductor 2013, Sheffield, UK (July 2013) - R.J. Collins, P.J. Clarke, V. Dunjko, R.J. Donaldson, J. Jeffers, E. Andersson, and G.S. Buller,
*"Photonic Quantum Digital Signatures: An Experimental Test–Bed"*, CLEO 2013, San Jose, USA (June 2013) - N.R. Gemmell, A. McCarthy, B. Liu, M.G. Tanner, S.D. Dorenbos, V. Zwiller, M.S. Patterson, G.S. Buller, B.C. Wilson and R.H. Hadfield,
*"Singlet Oxygen luminescence detection with a fibre–coupled superconducting nanowire single–photon detector"*, CLEO 2013, San Jose, USA (June 2013) - N.R. Gemmell, A. McCarthy, B. Liu, M.G. Tanner, S.D. Dorenbos, V. Zwiller, M.S. Patterson, G.S. Buller, B.C. Wilson and R.H. Hadfield,
*"Singlet Oxygen luminescence detection with a fibre–coupled superconducting nanowire single–photon detector"*, CLEO/Europe-IQEC, Munich, Germany (May 2013) - A. McCarthy, N.J. Krichel, N.R. Gemmell, X. Ren, M.G. Tanner, S.D. Dorenbos, V. Zwiller, R.H. Hadfield, and G.S. Buller,
*"Kilometre–range, high resolution depth imaging using 1560 nm wavelength single–photon detection"*, CLEO/Europe-IQEC, Munich, Germany (May 2013)

### 2012

- D.S. Tasca, M.P. Edgar, F. Izdebski, R.E. Warburton, J. Leach, M. Agnew, G.S. Buller, R.W. Boyd, M.J. Padgett,
*"High–dimensional spatial entanglement observed with an electron multiplying CCD camera "*, SPIE Security + Defence — Quantum–Physics–Based Information Security, Edinburgh, UK (September 2012) - P.J. Clarke, R.J. Collins, V.D. Dunjko, J. Jeffers, E. Andersson and G.S. Buller,
*"Experimental demonstration of quantum digital signatures"*, SPIE Security + Defence — Quantum–Physics–Based Information Security, Edinburgh, UK (September 2012) - N.R. Gemmell, A. McCarthy, X. Ren, N.J. Krichel, M.G. Tanner, R. H. Hadfield, and G.S. Buller,
*"Kilometre Range Depth Imaging at 1550nm wavelength using a Superconducting Nanowire Single Photon Detector"*, SPIE Security + Defence — Electro–Optical Remote Sensing, Edinburgh, UK (September 2012) - S. Butera, R.E. Warburton, P. Vines, I. Sandall, P.J. Ker, C.H. Tan, G.S. Buller,
*"Towards Single Photon Avalanche Diode detectors using narrow bandgap InAs"*, Photon 12, Durham, UK (September 2012) - F. Izdebski, M.P. Edgar, D.S. Tasca, R.E. Warburton, J. Leach, M. Agnew, R.W. Boyd, M.J. Padgett, G.S. Buller,
*"Observation of spatial correlated photon pairs in position and momentum with an electron multiplying CCD camera"*, Photon 12, Durham, UK (September 2012) - F. Izdebski, J. Leach, R.E. Warburton, D.G. Ireland, A.M. Yao, S.M. Barnett, M.J. Padgett, G.S. Buller,
*"Multi–pixel detector for photon-correlation measurements in position, transverse momentum and intermediate bases for an extended field of view"*, Photon 12, Durham, UK (September 2012) - P.J. Clarke, R.J. Collins, V. Dunjko, J. Jeffers, E. Andersson, G.S. Buller,
*"An Experimental Demonstration of Quantum Digital Signatures"*, Photon 12, Durham, UK (September 2012) - R.J. Collins, P.J. Clarke, G.S. Buller,
*"Analysis of Detector Performance in a GigaHertz Clock Rate Quantum Key Distribution System"*, Photon 12, Durham, UK (September 2012) - X. Ren, A. McCarthy, N.R. Gemmell, N.J. Krichel, M.G. Tanner, R.H. Hadfield, G.S. Buller,
*"Kilometre range single–photon depth imaging system at 1560 nm wavelength"*, Photon 12, Durham, UK (September 2012) - R.J. Collins, P.J. Clarke, V. Dunjko, J. Jeffers, E. Andersson and G.S. Buller,
*"Experimental demonstration of quantum digital signatures"*,Quantum Information and Measurement (QIM), Berlin, Germany (March 2012)

### 2011

- N.J. Krichel, A. McCarthy, G.S. Buller,
*"Time–of–flight depth profiling applications based on single–photon detection"*, Single Photon Workshop 2011, Braunschweig, Germany (June 2011) - P.J. Clarke, R.J. Collins, P.A. Hiskett, P.D. Townsend, G.S. Buller
*"An analysis of single–photon detectors in a gigahertz clock rate robust quanrtum key distribution system"*,Single Photon Workshop 2011, Braunschweig, Germany (June 2011) - P.J. Clarke, R.J. Collins, A. McCarthy, N.J. Krichel, M–J Garcia–Martinez, M.G. Tanner, J.A. O'Connor, C.M. Natarajan, S. Miki, M. Sasaki, Z. Wang, I. Rech, M. Ghioni, A. Gulinatti, P.A. Hiskett, R.H. Hadfield, P.D. Townsend, G.S. Buller,
*"An Analysis of Single–photon detectors in an environmentally robust gigahertz clock rate quantum key distribution system"*, CLEO QELS 2011, Baltimore, USA (May 2011) - R.E. Warburton, J. Leach, D. Ireland, F. Izdebski, M. Padgett, G.S. Buller,
*"Full–field quantum correlations with multi–pixel detectors"*, CLEO QELS 2011, Baltimore, USA (May 2011)

### 2010

- R.E. Warburton, F. Izdebski, G. S. Buller, J. Leach, D Ireland and M. Padgett,
*"Receiver and detection design for full field coherent quantum imaging"*, QEP 19, Southampton, UK (August 2010) - P.J. Clarke, R.J. Collins, P.A. Hiskett, N.J.Krichel, C.M. Natarajan, R.H. Hadfield, P.D. Townsend and G. S. Buller,
*"Environmentally robust GigaHertz clock rate quantum key distribution"*, QEP 19, Southampton, UK (August 2010) - N.J. Krichel, A. McCarthy and G.S. Buller,
*"Long–range three–dimensional depth profiling using time–correlated single–photon counting"*, Photon 10 Southampton, UK (August 2010) - N.J. Krichel, A. McCarthy, R.J. Collins and G.S. Buller
*"Anti–aliasing techniques in photon–counting depth imaging using GHz clock rates"*, SPIE Defense, Security + Sensing, Orlando, USA (April 2010)

Published as Proceedings SPIE 7681, Article No 768108 (2010)

### 2009

- N.J. Krichel, A. McCarthy, R.J. Collins, A.M.Wallace, and G.S. Buller
*"Three–dimensional profiling of low–signature targets using time–orrelated single–photon counting"*, NIST Workshop on Single and Entangled Photons: Sources, Detectors, Components and Applications, Boulder, USA (November 2009) - R.J. Collins, P.J. Clarke, P.A. Hiskett, V. Fernandez, M.–J. Garcia–Martinez, M.N. Makhonin, J.A. Timpson, M. Hopkinson, A.M. Fox, M. Skolnick, and G.S. Buller
*"Short wavelength quantum key distribution in telecommunications optical fiber"*, NIST Workshop on Single and Entangled Photons: Sources, Detectors, Components and Applications, Boulder, USA (November 2009) - R.E. Warburton, M.A. Itzler, J.S. Ng, L.J.J. Tan, J.P.R.David, A. Krysa, C.H. Tan, A. Marshall, Y.L. Goh, S. Zhang and G.S. Buller, "Infrared single–photon avalanche diodes in the near–infrared", UK Semiconductors 2009, Sheffield (July 2009)
- G.S. Buller, R.J. Collins, N.J. Krichel, A.M. Wallace and A. McCarthy,
*"Scanning of low–signature targets using time–correlated single–photon counting"*, SPIE Defense, Security + Sensing, Orlando, USA (April 2009)

Published as Proceedings SPIE 7320, Pages 732003 1-10 (2009)

### 2008

- V. Fernandez, D. Arroyo, M.J. Garcia, P.A. Hiskett, R.J. Collins, G.S. Buller, A.B. Orue,
*"Experimental quantum key distribution at a wavelength of ~850nm"*, RECSI, Salamanca, Spain (September 2008) - P. Richardson, J. Arlt, A Jones, D.T. Dryden, A. McCarthy, G.S. Buller,
*"Optically trapped fluorescence lifetime sensors for local temperature measurements on the microscale"*, Institute of Physics Optics and Photonics Division Conference, Edinburgh (August 2008) - R.J. Collins, K.J. Gordon, M.N. Makhonin, R. Oulton, J.A. Timpson, M. Hopkinson, A.M. Fox, M.S. Skolnick, and G.S. Buller,
*"Single–photon sources for optical fibre–based quantum key distribution systems"*, QEP–18, Edinburgh, UK (August 2008) - R.H. Hadfield, R.J. Collins, G.S. Buller, J.L. Habif, Y. Yamamoto, H. Takesue, S. Nam,
*"Quantum key distribution with superconducting nanowire single–photon detectors"*, QEP–18, Edinburgh, UK (August 2008) - R.E. Warburton, G.S. Buller,
*"InGaAs/InP Single–photon avalanche diodes0 Device performance, afterpulsing and sub–Geiger single–photon detection"*, QEP–18, Edinburgh (August 2008) - A. McCarthy, R.J. Collins, P.A. Hiskett, C.S.Parry, V. Fernandez, S.Hernandez–Marin, A.M.Wallace, G.S. Buller,
*"Covert scanning of low signature targets using high speed photon–counting"*, EMRS DTC Conference, Edinburgh (June 2008)

### 2007

- V. Fernandez, R.J. Collins, K.J. Gordon, P.D. Townsend, G.S. Buller,
*"Quantum key distribution in passive Optical networks"*, SPIE Optics East, Boston, USA (September 2007) - R.E. Warburton, S. Pellegrini, J.S. Ng, J.P.R. David, L.J.J. Tan, A. Krysa, S. Cova, G.S. Buller,
*"InGaAs/InP single–photon avalanche diodes — Device performance and afterpulsing analysis"*, Single Photon Workshop, Turin, Italy (September 2007) - A.S. Shkolnik, K.A. Kupriyanov, L.Y. Karachinsky, S. Pellegrini, G.S. Buller, N.Y. Gordeev, G.G. Zegrya, V.P. Evtikhev,
*"Finger–print of the Auger recombination process in semiconductor InAs/GaAs quantum dots"*, 15th International Symposium “Nanostructures: Physics and Technology, Novisibirsk, Russia (June 2007) - A. McCarthy, S.Hernandez–Marin, R.J. Collins, V. Fernandez, A.M.Wallace, G.S. Buller,
*"Covert scanning of low signature targets using high speed photon–counting"*, EMRS DTC Conference, Edinburgh (July 2007)

### 2006

- S. Pellegrini, R.E. Warburton, L.J.J. Tan, J.S. Ng, A. Krysa, K. Groom, J.P.R. David, S.D. Cova,, G.S. Buller,
*"A study of the afterpulsing phenomenon in InGaAs/InP single–photon avalanche diodes "*, QEP–17 Manchester, UK (September 2006) - K.J. Gordon, J.A. Timpson, S. Pellegrini, R.E. Warburton, D. Sanvitto, A. Darael, P.S.S. Guimaraes, S. Lam, D.M. Whittaker, M.S. Skolnick, A.M. Fox, C. Hu, Y–L. D. Ho, R. Gibson, J.G. Rarity, A. Tahraoui, M. Hopkinson, P.W. Fry, G.S. Buller,
*"Single Quantum Dots in Semiconductor Microcavity Pillars as Single Photon Sources"*, QEP–17 Manchester, UK (September 2006) - V. Fernandez, R.J. Collins, K.J. Gordon, S.D. Cova, I. Rech, P.D. Townsend, G.S. Buller,
*"Passive Optical Network Approach to GigaHertz–Clocked Multi-User Quantum Key Distribution"*, QEP–17 Manchester, UK (September 2006) - V. Fernandez, R.J. Collins, K.J. Gordon, P.D. Townsend, G.S. Buller,
*"Gigahertz Clocked Quantum Key Distribution in Passive Optical Networks"*, The IEEE LEOS Summer Topical Meeting, Quebec, Canada (July 2006) [quant-ph/0605046] - J.A. Timpson, S. Lam, D. Sanvitto, D.M. Whittaker, H. Vinck, A. Darei, P.S.S. Guimares, M.S. Skolnick, A.M. Fox, C. Hu, Y.L. Ho, R. Gibson, J.G. Rarity, A. Tahraoui, M. Hopkinson, P.W. Fry, S. Pellegrini,K.J. Gordon, R.E. Warburton, G.S. Buller,
*"High Q values and polarised emission from microcavity pillars with elliptical cross–section"*, CLEO QELS, Long Beach, California (May 2006) - R.E. Warburton, S. Pellegrini, J.P.R. David, J.S. Ng, A. Krysa, K. Groom, L. Tan, S.D. Cova, G.S. Buller,
*"Design, fabrication and characterisation of InGaAs/InP single-photon avalanche diode detectors"*, CLEO QELS, Long Beach, California (May 2006) [physics/0605073]

### 2005

- R.K. Neely, A. McCarthy, S. W. Magennis, G.S. Buller, D.P. Towers, A. Jones,
*"Development of Probes and a Novel Microscope Platform for Advanced Fluorescence Imaging"*, Ninth International Conference on Methods and Applications of Fluorescence (MAF 9): Spectroscopy, Imaging and Probes, Lisbon, Portugal (September 2005) - G.S. Buller, S. Pellegrini, R.E. Warburton, J.P.R. David, J.S. Ng, A. Krysa, K. Groom, L. Tan, S.D. Cova,
*"Fabrication and characterisation of InGaAs/InP single–photon avalanche diode detectors"*, Single–Photon Workshop, National Physical Laboratory, Teddington, UK (October 2005) - K.J. Gordon, V. Fernandez, R.J. Collins, I. Rech, S.D. Cova, P.D. Townsend, G.S. Buller,
*"3.3 Gigahertz Clocked Quantum Key Distribution System"*, ECOC, Glasgow (September 2005) [quant-ph/0605053] - S. Hutchins, S.D. Cova, M. Ghioni, S. Pellegrini, K.J. Gordon and G.S. Buller,
*"Single photon detector tests for the LHC synchrotron light diagnostics"*, 7th European Workshop on Beam Diagnostics and Instrumentation for Particle Accelerators (DIPAC), Lyon, France (June 2005) - A.S. Shkolnik, L. Ya, Karachinsky, N. Yu. Gordeev, G.G. Zegrya. K.A. Kupriyanov, V.P.Evtikhiev, S. Pellegrini, G.S. Buller,
*"Lifetime of non-equilibrium charge carriers in semiconductor InAs/GaAs Quantum Dots"*, 13th International Symposium "Nanostructures: Physics and Technology", St.Petersburg, Russia (June 2005) - V. Fernandez, K.J. Gordon, R.J. Collins, P.D. Townsend, S.D. Cova, I. Rech, G.S. Buller,
*"Quantum Key Distribution in a Multi–User Network at Gigahertz Clock Rates"*, SPIE Symposium on Microtechnologies for the New Millennium, Sevilla, Spain (May 2005) [quant-ph/0605052] - L.J.J. Tan, J.S. Ng, J.P.R. David, A. Krysa, K.M. Groom, G.J. Rees, R.C. Tozer, S. Pellegrini, G.S. Buller, R.E. Warburton,
*"In*, SIOE, Cardiff, UK (March 2005)_{0.53}Ga_{0.47}As/InP APD for Single Photon Detection at 1.55µm" - K.J. Gordon, R.J. Collins, V. Fernandez, G.S. Buller, S.D. Cova, I. Rech, P.D. Townsend,
*"Quantum Key Distribution: A Route To Absolutely Secure Encryption"*, UK National Science Week, London, UK (March 2005)

### 2004

- G.S. Buller, R.D. Harkins, A. McCarthy, P.A. Hiskett, G.R. MacKinnon, G.R. Smith, R.C.W. Sung, A.M. Wallace, R.A. Lamb, K.D. Ridley, J.G. Rarity,
*"A multiple wavelength time–of–flight sensor based on time–correlated single–photon counting"*, Prsented at SPIE European Symposium on Optics/Photonics in Security and Defence, London, UK (October 2004)

Published as SPIE Proceedings - S. Pellegrini, G.S. Buller, J.M. Smith, A. Krysa, K.M. Groom, J.S. Ng, L.J. Tan, G. Hill, J.P.R. David, G. J. Rees,
*"First custom–made InGaAs/InP single photon avalanche detector: fabrication and characterisation"*, QEP–16, Glasgow, UK (September 2004) - K.J. Gordon, V. Fernandez, P.D. Townsend, S.D. Cova, S. Tisa, G.S. Buller,
*"Quantum Key Distribution in a Multi–User Network at Gigahertz Clock Rates"*, QEP–16, Glasgow, UK (September 2004) - A.M. Wallace, G.S. Buller, R.D. Harkins, R.C.W. Sung, R.A. Lamb,
*"Multi–spectral Ladar for ranging and target characterization"*, Optics and Photonics 2004, Glasgow, UK (September 2004) - K.J. Gordon, V. Fernandez, G.S. Buller, S.D. Cova, S.Tisa and P.D. Townsend,
*"Quantum key distribution in the first fibre telecommunications window"*, ETOS, Cork, Ireland (July 2004) - A.S. Shkolnik, L. Ya. Karachinsky, S. Pellegrini, G.S. Buller , N. Yu. Gordeev, B.V. Novikov, G.G. Zegrya, V.P. Evtikhiev,
*"Elementary processes determining the carrier lifetime in InAs/GaAs quantum dot arrays"*, Proceedings 12th International Symposium Nanostructures: Physics and Technology, St.Petersburg, Russia, Paper QWR/QD.05o, pp. 244–245. (June 2004) - K.J. Gordon, V. Fernandez, G.S. Buller, P.D. Townsend, S.D. Cova and S. Tisa,
*"A quantum key distribution system operating at gigahertz clock rates"*, CLEO/IQEC, San Francisco (May 2004)

### 2003

- R. Chari, I. Galbraith, J. Phillips, S. Pellegrini, C.J. Dent, A.K. Kar, G.S. Buller, C.R. Pidgeon, D.G.Clarke, B.N. Murdin, J. Allam, A.F.G. van der Meer, G. Strasser,
*"Excitonic signatures in photoluminescence and terahertz absorption"*, CLEO/QELS, Baltimore, USA (2003)

### 2002

- G.S. Buller and A.M. Wallace,
*"Detecting multiple returns in a laser imaging system"*, Photon '02, Cardiff (September, 2002) - K.J. Gordon, P.A. Hiskett, N. Yu. Gordeev, P.D. Townsend, and G.S. Buller,
*"Quantum Key Distribution Test Transmission System Operating at GHz Clock Rates"*, Photon '02, Cardiff (September, 2002)

### 2001

- A.Y. Loudon, P.A. Hiskett, G.S. Buller, R.T.Carline, D.C. Herbert, W.Y. Leong, J.G. Rarity,
*"Si/Si1–xGex photon counting detectors for long wavelength operation"*, OSA Annual Meeting, Long Beach, California (October 2001) - P.A. Hiskett, S. Pellegrini, P.D. Townsend and G.S. Buller,
*"80km transmission test of an InGaAs/InP SPAD–based quantum cryptography receiver operating at 1.55µm"*, The Institute of Physics Quantum Electronics and Photonics Conference, Glasgow (September 2001) - P.A. Hiskett, K.J. Gordon, N. Yu. Gordeev, G.S. Buller and P.D. Townsend,
*"16km transmission test of an silicon SPAD–based quantum cryptography receiver operating at 850nm"*, The Institute of Physics Quantum Electronics and Photonics Conference, Glasgow (September 2001) - A.Y. Loudon, P.A. Hiskett, G.S. Buller, R.T. Carline, D.C. Herbert, J.G. Rarity,
*"Si/Si*, The Institute of Physics Quantum Electronics and Photonics Conference, Glasgow (September 2001)_{1–x}Ge_{x}photon counting detectors for telecommunications wavelength operation" - N. Yu. Gordeev, K.J. Gordon, P.A. Hiskett, and G.S. Buller,
*"Semiconductor light sources for high bit–rate quantum cryptography systems: features of application"*, 9th International Symposium on Nanostructures, St Petersburg, Russia (June 2001) - P.A. Hiskett, P.D. Townsend and G.S. Buller,
*"80km transmission test of an InGaAs/InP SPAD–based quantum cryptography receiver operating at 1.55µm"*, QUICK conference, Cargese, Corsica (April 2001) - S. Pellegrini, P.A. Hiskett, J.M. Smith, P.D. Townsend, G.S. Buller,
*"Characterisation of InGaAs/InP SAGM Avalanche Photodiodes for Quantum Cryptography Systems"*, QUICK conference, Cargese, Corsica (April 2001)

### 2000

- S. Pellegrini, G.S. Buller and A.M. Wallace,
*"Laser Depth Measurement using Picosecond Resolution Time Correlated Single–Photon Counting"*, CLEO Europe, Nice, France (September 2000) - J.M. Smith, G.S. Buller, A.S. Helmy, A.C. Bryce, and J.H. Marsh,
*"Picosecond Time–resolved Photoluminescence Microscopy of Short Period Impurity Free Vacancy Disordered AlGaAs Gratings"*, Post–Deadline presentation at CLEO–Europe, Nice, France (September 2000) - J.M. Smith, G.S. Buller, A.S. Helmy, A.C. Bryce, and J.H. Marsh,
*"Picosecond Time–Resolved Photoluminescence Microscopy of Short Period Impurity Free Vacancy Disordered AlGaAs Gratings"*, IQEC, Nice, France (September 2000)

### 1999

- P.A. Hiskett, G.S. Buller, I. Gontijo, A.C. Walker, P.D. Townsend,
*"High–efficiency detection of single photons with picosecond resolution at wavelength up to 1.6µm"*, OSA Annual Meeting, Santa Clara, USA (September 1999) - P.A. Hiskett, G.S. Buller, I. Gontijo, J.M. Smith, A.Y. Loudon, P.D. Townsend,
*"High–efficiency detection of single photons with picosecond resolution at wavelength up to 1.6µm"*, The Institue of Physics Quantum Electronics Conference, Manchester, UK (September 1999)

### 1998

- A. Saher Helmy, C. Ironside, A. C. Bryce, J. S. Aitchison, J. H. Marsh, I.Gontijo, G.S. Buller, S. Karlin, I. Wilcock,
*"Characterisation of the resolution of impurity free vacancy disordering in GaAs/AlGaAs using Raman and photoluminescence microprobes"*, 11th LEOS Annual Meeting, Florida (December 1998) - P.A. Hiskett, G.S. Buller, I. Gontijo, and P.D. Townsend,
*"High–efficiency Detection of Single Photons at Picosecond Resolution for use at Telecommunication Wavelengths"*, CLEO/Europe ’98 (Glasgow, September 1998) - S.J. Fancey, M.R. Taghizadeh, G.S. Buller, M.P.Y. Desmulliez, and A.C. Walker,
*"Optical Components of the Smart–Pixel Opto–electronic Connection (SPOEC) Project"*, Optical Computing 1998 (Bruges, June 1998)

Published SPIE**3490**, pp370–373 (1998)

### 1997

- G.S. Buller, P.A. Hiskett, S.J. Fancey, I. Gontijo, and P.D. Townsend,
*"High–efficiency Detection of Single Photons at Picosecond Resolution for use at Telecommunications Wavelengths"*, 13th National Quantum Electronics Conference, Cardiff (September 1997) - J.S. Massa, N. Perrimon, G.S. Buller, A.C. Walker, M. Umasuthan, and A.M. Wallace,
*"A Single Photon Counting Time–of–Flight Imaging System"*, 13th National Quantum Electronics Conference, Cardiff (September 1997) - C. Guasch, J. Aholpelto, H. Lipsanen, M. Sopanen, , I. Gontijo, G.S. Buller, and C.M. Sotomayor–Torres,
*"Optical Characterisation of Self–organised InGaAs/InP Quantum Dots"*, CLEO, Baltimore, USA (May 1997) - S.V.Zaitsev, A.M.Georgievski, N. Yu. Gordeev, V.I.Kopchatov, V.M.Ustinov, A.E.Zhukov, A.Yu.Egorov, A.R.Kovsh, N.N.Ledentsov, P.S.Kop'ev, and Zh.I.Alferov, D.Bimberg G.S.Buller and I.Gontijo,
*"Room temperature multi–stacked quantum dot lasers: basic components of threshold current density"*, CLEO Pacific Rim, Chiba, Japan (1997) - J.S. Massa, M. Umasuthan, A.M. Wallace, G.S. Buller, and A.C. Walker,
*"Rangefinding using Time Correlated Single Photon Counting"*, International Conference on Recent Advances in 3D Digital Imaging and Modelling, Ottawa, Canada (May 1997)

### 1996

- C. Guasch, J. Aholpelto, H. Lipsanen, M. Sopanen, C.M. Sotomayor–Torres, I. Gontijo, and G.S. Buller,
*"Optical Characterisation of Quantum Dots"*, Presented at the International Symposium on Compound Semiconductors, St. Petersburg, Russia (September 1996)

Published Institute of Physics Conference Series, No.155, pp.813–816 (1997)

### 1995

- S.J. Fancey, G.S. Buller, J.S. Massa and A.C. Walker,
*"Photoluminescence Decay Measurements at 1.3µm Wavelength of Low–dimensional Structures using Germanium Single Photon Avalanche Diodes"*, Photonics ‘95, Prague, Czech Republic (August 1995) - G.S. Buller, J.S. Massa, S.J. Fancey, and A.C. Walker,
*"Time–resolved Photoluminescence Studies of III–V and II–VI Quantum Well Structures"*, The International Symposium on Nanostructures: Physics and Technology, St. Petersburg, Russia (June 1995) - J.S. Massa, G.S. Buller, A.C. Walker, J. Simpson, G. Horsburgh, J.T. Mullins, K.A. Prior, and B.C. Cavenett,
*"A Study of the Excess Carrier Dynamics in ZnSe Based Structures Grown by Molecular Beam Epitaxy"*, The International Conference on II–VI Semiconductors, Edinburgh (August 1995) - D.T. Neilson, L.C. Wilkinson, S.J. Fancey, J.S. Massa, G.S. Buller, I. Gontijo, A.C. Walker, C.R. Stanley, and F. Pottier,
*"InGaAs/GaAlAs Quantum Well Modulators and Detectors"*, The National Quantum Electronics Conference, Southampton (September 1995) - J.S. Massa, G.S. Buller, A.C. Walker, J. Simpson, G. Horsburgh, J.T. Mullins, K.A. Prior, and B.C. Cavenett,
*"A Study of Carrier Recombination in ZnSe Based Structures Grown by Molecular Beam Epitaxy"*, The National Quantum Electronics Conference, Southampton (September1995) - G.S. Buller, S.J. Fancey, J.S. Massa and A.C. Walker,
*"Time–Resolved Photoluminescence Measurements at 1.3µm Wavelength of InGaAs/InP Multiple Quantum Well Structures using Germanium Single–Photon Avalanche Diodes"*, The National Quantum Electronics Conference, Southampton (September 1995)

### 1994

- G.S. Buller, J.S. Massa, S.J. Fancey and A.C. Walker,
*"Dynamic Studies of GaAs/AlGaAs Multiple Quantum Well Modulators Using Photon Counting Techniques"*, Optical Computing '94, Edinburgh (August 1994).

Published Institute of Physics Conference Series, No. 139, Part V, p515 - J.S. Massa, G.S. Buller, S.J. Fancey, A.C. Walker, J. Simpson, J.T. Mullins, G. Horsburgh, S.Y. Wang, P. Thompson, I. Hauksson, K.A. Prior and B.C. Cavenett,
*"A Study of Temperature Dependent Carrier Recombination in ZnSe Based Structures Grown by Molecular Beam Epitaxy"*, CLEO '94, Anaheim, USA (May 1994)

### 1993

- G.S. Buller, S.J. Fancey, J.S. Massa, A.C. Walker, S.D. Cova and A. Lacaita,
*"Time–resolved Photoluminescence Detection at 1.3µm from InGaAs/InP Multiple Quantum Well Material using a Picosecond Timing Germanium Avalanche Diode"*, presented as post–deadline paper at the Eleventh National Quantum Electronics Conference, Belfast (August 1993) - J.S. Massa, G.S. Buller, S.J. Fancey, A.C. Walker, I. Hauksson, J. Simpson, K.A. Prior, and B.C. Cavenett,
*"A Study of Carrier Recombination in Doped ZnSe Grown by Molecular Beam Epitaxy"*, The Fourth European Quantum Electronics Conference, Firenze, Italy (September 1993) - G.S. Buller, J.S. Massa, S.J. Fancey and A.C. Walker,
*"Studies of GaAs/AlGaAs Multiple Quantum Well Modulators Using Photon Counting Techniques"*, The Eleventh National Quantum Electronics Conference, Belfast (August 1993) - J.S. Massa, G.S. Buller, S.J. Fancey, and A.C. Walker,
*"A Study of Carrier Sweep–out in Biased Multiple Quantum Well p–i–n Structures using Time–resolved Photoluminescence"*, IEE Colloquium on Applications of Quantum Well Technologies, London, (March 1993) - D.J. Goodwill, J.S. Massa, G.S. Buller, S.J. Fancey and A. Wachlowski,
*"Saturation and carrier sweep–out in electro–absorptive GaAs–GaAlAs MQW diodes"*, The OSA Topical Meeting on Quantum Optoelectronics, Palm Springs, USA (March 1993)

### 1992

- G.S. Buller, J.S. Massa, F.A.P. Tooley, S. Wakelin, and A.C. Walker
*"Picosecond Time–correlated Single Photon Counting Measurements of Symmetric Self Electrooptic Effect Device Switching"*, IEE Colloquium on Measurements of Optical Devices, London (November 1992) - J.S. Massa, G.S. Buller and A.C. Walker,
*"Picosecond Time–Resolved Photoluminescence Spectroscopy of III–V and II–VI Semiconductor Structures"*, Optical Society of America Annual Meeting, Albuquerque, New Mexico, USA (September 1992)

### 1991

- G.S. Buller, J.S. Massa, T.A. Louis, A.C. Walker, J.R. Gilchrist and R.B. Dennis,
*"Picosecond Time–resolved Photoluminescence Spectroscopy in the Visible and Near–Infrared"*, presented at the Third European Quantum Electronics Conference, Heriot–Watt University (August 1991)