Personal profile

Research interests

Prof Buller's research interests are mainly associated with single photon detection and its applications, including quantum key distribution, quantum imaging, time–of–flight ranging and depth imaging. He also has wider interests in semiconductor optoelectronic devices and optical thin film multilayer structures. Prof Buller heads a group of around eight researchers and is Principal Investigator on a number of major research projects funded by EPSRC, the European Union and industry.  In 2010, Professor Buller was elected a Fellow of the Royal Society of Edinburgh. He was elected a Fellow of the Institute of Physics in 2002 and elected a Fellow of the Optical Society of America in 2017. 


Prof Gerald S Buller was born in Glasgow, Scotland in 1965. He graduated with BSc (Hons) Natural Philosophy from the University of Glasgow in 1986 and PhD in Physics from Heriot–Watt University in 1989. In 1990, Prof Buller became Lecturer in Physics at Heriot–Watt University, was promoted to Reader in 2000 and made a Professor in 2006. In parallel, Prof Buller co–founded TeraHertz Photonics Ltd. in 1998 and founded Helia Photonics Ltd. in 2002. He remains a Company Director of Helia Photonics Ltd., which is based in Livingston, Scotland.

Fingerprint Fingerprint is based on mining the text of the person's scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.

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Co Author Network Recent external collaboration on country level. Dive into details by clicking on the dots.

Research Output 1988 2018

High-resolution depth profiling using a range-gated CMOS SPAD quanta image sensor

Ren, X., Connolly, P. W. R., Halimi, A., Altmann, Y., McLaughlin, S., Gyongy, I., Henderson, R. K. & Buller, G. S. 5 Mar 2018 In : Optics Express. 26, 5, p. 5541-5557 17 p.

Research output: Contribution to journalArticle

Open Access
Avalanche diodes
Image reconstruction
Image sensors

Long-range depth profiling of camouflaged targets using single-photon detection

Tobin, R., Halimi, A., McCarthy, A., Ren, X., McEwan, K. J., McLaughlin, S. & Buller, G. S. Mar 2018 In : Optical Engineering. 57, 3, 031303

Research output: Contribution to journalArticle

Open Access
avalanche diodes
transmitter receivers

Polarization Encoded Color Image Embedded in a Dielectric Metasurface

Zang, X., Dong, F., Yue, F., Zhang, C., Xu, L., Song, Z., Chen, M., Chen, P-Y., Buller, G. S., Zhu, Y., Zhuang, S., Chu, W., Zhang, S. & Chen, X. 20 Feb 2018 In : Advanced Materials.

Research output: Contribution to journalArticle

polarization modulation

A compact fiber-optic probe-based singlet oxygen luminescence detection system

Gemmell, N. R., McCarthy, A., Kim, M. M., Veilleux, I., Zhu, T. C., Buller, G. S., Wilson, B. C. & Hadfield, R. H. 3 Feb 2017 In : Journal of Biophotonics. 10, 2, p. 320-326

Research output: Contribution to journalArticle

Open Access
Singlet Oxygen
Photosensitizing Agents

Bayesian restoration of reflectivity and range profiles from subsampled single-photon multispectral lidar data

Altmann, Y., Tobin, R., Maccarone, A., Ren, X., McCarthy, A., Buller, G. S. & McLaughlin, S. 26 Oct 2017 25th European Signal Processing Conference (EUSIPCO). IEEE, p. 1410-1414 5 p. (European Signal Processing Conference)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
Optical radar
Computational methods


Dataset for Experimental transmission of quantum digital signatures over 90-km of installed optical fiber using a differential phase shift quantum key distribution system

Collins, R. J. (Creator), Amiri, R. (Creator), Fujiwara, M. (Creator), Honjo, T. (Creator), Tamaki, K. (Creator), Takeoka, M. (Creator), Andersson, A. E. E. (Creator), Buller, G. S. (Creator), Sasaki, M. (Creator), Heriot-Watt University, 14 Sep 2014


Dataset for "Experimental demonstration of kilometer­ range quantum digital signatures"

Donaldson, R. J. (Creator), Collins, R. J. (Creator), Kleczkowska, K. (Creator), Amiri, R. (Creator), Wallden, P. (Creator), Dunjko, V. (Creator), Jeffers, J. (Creator), Andersson, A. E. E. (Creator), Buller, G. S. (Creator), Heriot-Watt University, 8 Jan 2016



Fellow of the Optical Society of America (OSA)

Gerald Stuart Buller (Recipient), 1 Jan 2017

Prize: Election to learned society

Fellow of the Royal Society of Edinburgh

Gerald Stuart Buller (Recipient), 2010

Prize: Election to learned society

Activities 2011 2013

  • 4 Membership of committee
  • 1 Membership of peer review panel

Photonics 21 (External organisation)

Buller, G. S. (Member)
2013 → …

Activity: Membership of committee

Institute of Physics (External organisation)

Buller, G. S. (Member)
2013 → …

Activity: Membership of committee

Engineering and Physical Sciences Research Council (External organisation)

Buller, G. S. (Chair)
17 Jul 2012

Activity: Membership of peer review panel

National Centre for III-V Technologies (External organisation)

Buller, G. S. (Member)
2011 → …

Activity: Membership of committee