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Proceedings Paper

On-chip integration for in-plane video transmission using visible light
Author(s): Yongchao Yang; Jialei Yuan; Yuanhang Li; Xumin Gao; Yongjin Wang
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Paper 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.

Paper Details

Date Published: 31 October 2016
PDF: 6 pages
Proc. SPIE 10019, Optoelectronic Devices and Integration VI, 1001912 (31 October 2016); doi: 10.1117/12.2247728
Show Author Affiliations
Yongchao Yang, Nanjing Univ. of Posts and Telecommunications (China)
Jialei Yuan, Nanjing Univ. of Posts and Telecommunications (China)
Yuanhang Li, Nanjing Univ. of Posts and Telecommunications (China)
Xumin Gao, Nanjing Univ. of Posts and Telecommunications (China)
Yongjin Wang, Nanjing Univ. of Posts and Telecommunications (China)

Published in SPIE Proceedings Vol. 10019:
Optoelectronic Devices and Integration VI
Xuping Zhang; Baojun Li; Changyuan Yu, Editor(s)

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