Semiconductor micro-ring and micro-disk lasers for all-optical switching

Marc Sorel; Gábor Mezősi; Michael J. Strain

doi:10.1117/12.809739

3 February 2009 Semiconductor micro-ring and micro-disk lasers for all-optical switching

Marc Sorel, Gábor Mezősi, Michael J. Strain

Proceedings Volume 7230, Novel In-Plane Semiconductor Lasers VIII; 72300I (2009) https://doi.org/10.1117/12.809739
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

We review and compare recent results on the design and fabrication of semiconductor microring and microdisk lasers for applications in all-optical switching and signal processing. The design of the optical cavities will be analyzed in detail with a strong emphasis on the evaluation of the various loss mechanisms. Both lithographic and etching technologies were thoroughly optimized to ensure high-resolution patterning and deep and vertical waveguide sidewalls. The majority of the fabricated devices exhibited continuous wave operation down to 7 μm and strong unidirectional bistability down to device footprints as small as 30 μm. While both microdisks and microrings show similar behaviour for medium radii (30-60 μm), in smaller devices the microdisk geometry shows much lower losses and better performance.

Citation Download Citation

Marc Sorel, Gábor Mezősi, and Michael J. Strain "Semiconductor micro-ring and micro-disk lasers for all-optical switching", Proc. SPIE 7230, Novel In-Plane Semiconductor Lasers VIII, 72300I (3 February 2009); https://doi.org/10.1117/12.809739

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