On-chip integration for in-plane video transmission using visible light

Yongchao Yang; Jialei Yuan; Yuanhang Li; Xumin Gao; Yongjin Wang

doi:10.1117/12.2247728

31 October 2016 On-chip integration for in-plane video transmission using visible light

Yongchao Yang, Jialei Yuan, Yuanhang Li, Xumin Gao, Yongjin Wang

Proceedings Volume 10019, Optoelectronic Devices and Integration VI; 1001912 (2016) https://doi.org/10.1117/12.2247728
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

Abstract

We demonstrate a wafer-level process for achieving monolithic photonic integration of a light-emitting diode (LED) with a waveguide and photodiode on a GaN-on-silicon platform. Both silicon removal and back-side thinning are conducted to achieve a suspended device architecture. A highly confined waveguide that utilizes the large index contrast between GaN and air is used for the connection between the LED and the photodiode. The suspended waveguide is considered as an in-plane escape cone of the LED, and the photodiode is located at the other end of the waveguide. The photons emitted from the LED are transported to the photodiode through the suspended waveguide parallel to the LED surface, leading to in-plane data transport using visible light. This proof-of-concept monolithic integration paves the way towards in-plane visible light communication as well as photonic computation on a single chip.

Citation Download Citation

Yongchao Yang, Jialei Yuan, Yuanhang Li, Xumin Gao, and Yongjin Wang "On-chip integration for in-plane video transmission using visible light", Proc. SPIE 10019, Optoelectronic Devices and Integration VI, 1001912 (31 October 2016); https://doi.org/10.1117/12.2247728

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