Monolithic ring lasers for low-noise optical signal distribution

James J. Liang; Joseph M. Ballantyne

doi:10.1117/12.177394

10 June 1994 Monolithic ring lasers for low-noise optical signal distribution

James J. Liang, Joseph M. Ballantyne

Proceedings Volume 2155, Optoelectronic Signal Processing for Phased-Array Antennas IV; (1994) https://doi.org/10.1117/12.177394
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

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.

Citation Download Citation

James J. Liang and Joseph M. Ballantyne "Monolithic ring lasers for low-noise optical signal distribution", Proc. SPIE 2155, Optoelectronic Signal Processing for Phased-Array Antennas IV, (10 June 1994); https://doi.org/10.1117/12.177394

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