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Proceedings Paper

Dual-purpose vertical-cavity optoelectronic components for data communication applications
Author(s): Milan Dragas; Ian H. White; Richard V. Penty; Judy M. Rorison; Peter J. Heard; Gareth Parry
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Paper Abstract

A novel dual-purpose Vertical-Cavity Optoelectronic Component (VCOC), functioning either as a laser or a detector, is reported. The device is formed by modifying a conventional vertical-cavity surface-emitting laser so that it can additionally operate as an efficient detector. The modifications to the device, in order to improve photodetection, are achieved by etching its top facet. Avalanche operation under reverse bias is demonstrated for the first time in such a dual purpose component. In order to assess the overall device performance for communication applications, a bi-directional, half-duplex link is established in which a VCOC used as a source transmits signals to one used as a detector at bit rates up to 2 Gb/s.

Paper Details

Date Published: 29 April 1999
PDF: 7 pages
Proc. SPIE 3627, Vertical-Cavity Surface-Emitting Lasers III, (29 April 1999); doi: 10.1117/12.347097
Show Author Affiliations
Milan Dragas, Univ. of Bristol (United Kingdom)
Ian H. White, Univ. of Bristol (United Kingdom)
Richard V. Penty, Univ. of Bristol (United Kingdom)
Judy M. Rorison, Univ. of Bristol (United Kingdom)
Peter J. Heard, Univ. of Bristol (United Kingdom)
Gareth Parry, Imperial College of Science, Technology and Medicine (United Kingdom)


Published in SPIE Proceedings Vol. 3627:
Vertical-Cavity Surface-Emitting Lasers III
Kent D. Choquette; Chun Lei, Editor(s)

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