32 Gigabit-per-second Visible Light Communication Link with InGaN/GaN MQW Micro-photodetector

This paper presents the first demonstration of InGaN multiple quantum well (MQW) based micro-photodetectors (µPD) used as the optical receiver in orthogonal frequency-division multiplexing (OFDM) modulated visible communication system (VLC). The 80-µm diameter µPD exhibits a wavelength-selective res...

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Bibliographic Details
Published inOptics express Vol. 26; no. 3; p. 3037
Main Authors Ho, Kang-Ting, Chen, Rui, Liu, Guangyu, Shen, Chao, Holguin-Lerma, Jorge, Al-Saggaf, Abeer A., Ng, Tien Khee, Alouini, Mohamed-Slim, He, Jr-Hau, Ooi, Boon S.
Format Journal Article
LanguageEnglish
Published United States 05.02.2018
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Summary:This paper presents the first demonstration of InGaN multiple quantum well (MQW) based micro-photodetectors (µPD) used as the optical receiver in orthogonal frequency-division multiplexing (OFDM) modulated visible communication system (VLC). The 80-µm diameter µPD exhibits a wavelength-selective responsivity in the near-UV to violet regime (374 nm - 408 nm) under a low reverse bias of -3 V. The modulation scheme of 16-quadrature amplitude modulation (16-QAM) OFDM enables the use of frequency response beyond -3 dB cutoff bandwidth of µPD. A record high data rate of 3.2 Gigabit per second (Gpbs) was achieved as a result, which provides the proof-of-concept verification of a viable high speed VLC link.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.26.003037