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Proceedings Paper

Monolithic ring lasers for low-noise optical signal distribution
Author(s): James J. Liang; Joseph M. Ballantyne
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Paper Abstract

A self-aligned process is used, for the first time, to fabricate triangular semiconductor ridge ring lasers. Very smooth dry- etched facets have been achieved using chemically assisted ion beam etching, with SiO2 as the etch-mask. The dependence of the threshold current on the ring structure angle is presented. The ring lasers show stronger tendency toward single- longitudinal-mode operation than the Fabry-Perot lasers fabricated on the same wafer. The introduction of an external mirror in the ring laser structure results in highly asymmetric output, which further enhances the side-mode-suppression-ratio.

Paper Details

Date Published: 10 June 1994
PDF: 8 pages
Proc. SPIE 2155, Optoelectronic Signal Processing for Phased-Array Antennas IV, (10 June 1994);
Show Author Affiliations
James J. Liang, Cornell Univ. (United States)
Joseph M. Ballantyne, Cornell Univ. (United States)

Published in SPIE Proceedings Vol. 2155:
Optoelectronic Signal Processing for Phased-Array Antennas IV
Brian M. Hendrickson, Editor(s)

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