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

Sorel, Marc and Mezosi, Gábor and Strain, Michael J (2009) Semiconductor micro-ring and micro-disk lasers for all-optical switching. In: Proceedings of SPIE 7230, Novel In-Plane Semiconductor Lasers VIII, 72300I. SPIE, San Jose.

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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.

Item type: Book Section
ID code: 44543
Keywords: semiconductor micro-ring, micro-disk lasers, all-optical switching, Physics, Electrical engineering. Electronics Nuclear engineering, Physics and Astronomy(all), Electrical and Electronic Engineering
Subjects: Science > Physics
Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Science > Physics > Institute of Photonics
Depositing user: Pure Administrator
Date deposited: 26 Aug 2013 13:12
Last modified: 13 Sep 2018 04:20
URI: https://strathprints.strath.ac.uk/id/eprint/44543
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