Dr Johannes Herrnsdorf

Strathclyde Chancellor's Fellow


Personal statement

Dr. Johannes Herrnsdorf is a research associate at the Institute of Photonics. His main interests are the exploration of the physics of gallium nitride micro-LEDs and their development towards a wide range of applications including communications and imaging.

His research has equipped him with a broad background in semiconductor-based photonics, including solution processible organic and inorganic materials for colour conversion and lasers, and semiconductor devices for operation from the ultra-violet through to the near infrared wavelengths. He currently focusses on structured digital illumination, which is scalable from microscopic through to kilometre ranges, and on the few-photon operation of LED-enabled optical links. Dr Herrnsdorf has been awarded an EPSRC UKRI Innovation Fellowship to support his work on structured illumination and digital lighting at the few-photon level.

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Multispectral time-of-flight imaging using light-emitting diodes
Griffiths Alexander D, Chen Haochang, Li David Day-Uei, Henderson Robert K, Herrnsdorf Johannes, Dawson Martin D, Strain Michael J
Optics Express (2019)
Towards using LED arrays for relative alignment of cube satellite clusters
Herrnsdorf Johannes, Griffiths Alexander D, Lowe Christopher, Macdonald Malcolm, Strain Michael J, Dawson Martin D
IEEE Photonics Conference 2019 (2019)
Top-down illumination photometric stereo imaging using light-emitting diodes and a mobile device
Le Francois Emma, Herrnsdorf Johannes, Broadbent Laurence, Dawson Martin D, Strain Michael J
OSA Frontier in Optics (2019)
Gallium nitride micro-LED drive circuits for visible light communications
Herrnsdorf Johannes, McKendry Jonathan, Griffiths Alexander, Strain Michael, Henderson Robert, Dawson Martin
13th International Conference on Nitride Semiconductors (ICNS-13) (2019)
Neural network based joint spatial and temporal equalization for MIMO-VLC system
Rajbhandari Sujan, Chun Hyunchae, Faulkner Graheme, Haas Harald, Xie Enyuan, McKendry Jonathan J D, Herrnsdorf Johannes, Gu Erdan, Dawson Martin D, O'Brien Dominic
IEEE Photonics Technology Letters Vol 31, pp. 821-824 (2019)
Scalable visible light communications with a micro-LED array projector and high-speed smartphone camera
Griffiths Alexander D, Herrnsdorf Johannes, Strain Michael J, Dawson Martin D
Optics Express Vol 27, pp. 15585-15594 (2019)

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