Prof. Harald Haas Profile

Prof. Harald Haas

at Univ. of Cambridge

SPIE Involvement:

Author

Proceedings Article | 28 September 2023 Presentation + Paper

Non-imaging receiver design for terabit laser-based optical wireless communication in 6G data center networks

Hossein Kazemi, Elham Sarbazi, Majid Safari, Harald Haas

Proceedings Volume 12664, 126640E (2023) https://doi.org/10.1117/12.2678439

KEYWORDS: Receivers, Compound parabolic concentrators, Vertical cavity surface emitting lasers, Transmitters, Laser optics, Design and modelling, Multiple input multiple output, Wireless communications, Tolerancing, Relative intensity noise

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Proceedings Article | 28 September 2023 Presentation + Paper

Performance analysis of imaging receivers for 6G laser-based optical wireless communications

Elham Sarbazi, Hossein Kazemi, Majid Safari, Harald Haas

Proceedings Volume 12664, 126640D (2023) https://doi.org/10.1117/12.2678226

KEYWORDS: Receivers, Design and modelling, Lens arrays, Imaging systems, Signal to noise ratio, Imaging arrays, Gaussian beams, Vertical cavity surface emitting lasers

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Proceedings Article | 20 September 2020 Presentation + Paper

Secrecy capacity of LiFi systems

Hanaa Abumarshoud, Mohammad Dehghani Soltani, Majid Safari, Harald Haas

Proceedings Volume 11540, 115400Y (2020) https://doi.org/10.1117/12.2575810

KEYWORDS: Network security, Light emitting diodes, Wireless communications, Information security, Computer security, Visible radiation, Infrared radiation, Opacity, Instrument modeling, Measurement devices

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Proceedings Article | 20 August 2020 Presentation

Ultrafast OLEDs enable visible light communication at a gigabit per second

Ifor D. Samuel, Kou Yoshida, Pavlos Manousiadis, Rui Bian, Zhe Chen, Caroline Murawski, Malte Gather, Harald Haas, Graham Turnbull

Proceedings Volume 11473, 114730P (2020) https://doi.org/10.1117/12.2569249

KEYWORDS: Organic light emitting diodes, Visible radiation, Ultrafast phenomena, Organic optoelectronics, Optoelectronic devices, Spectroscopes, Ranging, Data communications, Internet

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Proceedings Article | 25 February 2020 Presentation + Paper

Advanced LiFi technology: Laser light

Changmin Lee, Mohamed Sufyan Islim, Stefan Videv, Adrian Sparks, Binith Shah, Paul Rudy, Melvin McLaurin, Harald Haas, James Raring

Proceedings Volume 11302, 1130213 (2020) https://doi.org/10.1117/12.2537420

KEYWORDS: Light emitting diodes, Transmitters, Modulation, Laser applications, Signal to noise ratio, Wavelength division multiplexing, Semiconductor lasers, Light, Orthogonal frequency division multiplexing, Light sources

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Proceedings Article | 6 October 2017 Paper

15 Gb/s OFDM-based VLC using direct modulation of 450 GaN laser diode

Shaun Viola, Mohamed Sufyan Islim, Scott Watson, Stefan Videv, Harald Haas, Anthony Kelly

Proceedings Volume 10437, 104370E (2017) https://doi.org/10.1117/12.2292004

KEYWORDS: Semiconductor lasers, Orthogonal frequency division multiplexing, Signal to noise ratio, Modulation, Gallium nitride, Receivers, Free space, Forward error correction, Light sources and illumination, Laser safety

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Proceedings Article | 28 January 2017 Open Access

LiFi: transforming fibre into wireless

Liang Yin, Mohamed Sufyan Islim, Harald Haas

Proceedings Volume 10128, 1012802 (2017) https://doi.org/10.1117/12.2262047

KEYWORDS: Wireless communications, Light emitting diodes, Signal detection, Orthogonal frequency division multiplexing, Signal processing, Receivers, Data communications, Interference (communication), Monte Carlo methods, Modulation

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Proceedings Article | 7 February 2015 Paper

Integrated multiple-input multiple-output visible light communications systems: recent progress and results

Dominic O'Brien, Harald Haas, Sujan Rajbhandari, Hyunchae Chun, Grahame Faulkner, Katherine Cameron, Aravind Jalajakumari, Robert Henderson, Dobroslav Tsonev, Muhammad Ijaz, Zhe Chen, Enyuan Xie, Jonathan McKendry, Johannes Herrnsdorf, Erdan Gu, Martin Dawson

Proceedings Volume 9387, 93870P (2015) https://doi.org/10.1117/12.2079287

KEYWORDS: Receivers, Transmitters, Visible radiation, Avalanche photodetectors, Light emitting diodes, Telecommunications, Modulation, Imaging systems, LED lighting, Lamps

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Proceedings Article | 1 February 2014 Paper

Light fidelity (Li-Fi): towards all-optical networking

Dobroslav Tsonev, Stefan Videv, Harald Haas

Proceedings Volume 9007, 900702 (2014) https://doi.org/10.1117/12.2044649

KEYWORDS: Orthogonal frequency division multiplexing, Modulation, Telecommunications, Receivers, Mobile communications, Wireless communications, Data communications, Visible radiation, Light emitting diodes, RF communications

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Showing 5 of 9 publications

Conference Committee Involvement (8)

Broadband Access Communication Technologies XV

6 March 2021 | Online Only, California, United States

Broadband Access Communication Technologies XIV

4 February 2020 | San Francisco, California, United States

Broadband Access Communication Technologies XIII

4 February 2019 | San Francisco, California, United States

Broadband Access Communication Technologies XII

29 January 2018 | San Francisco, California, United States

Broadband Access Communication Technologies XI

31 January 2017 | San Francisco, California, United States

Showing 5 of 8 Conference Committees

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