Unidirectional bistability in AlGaInAs microring and microdisk semiconductor lasers

Mezosi, G and Strain, M.J. and Furst, S and Wang, Z and Yu, S and Sorel, M. (2009) Unidirectional bistability in AlGaInAs microring and microdisk semiconductor lasers. IEEE Photonics Technology Letters, 21 (2). pp. 88-90. (https://doi.org/10.1109/LPT.2008.2008660)

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Abstract

We report on room-temperature continuous-wave operation and single-mode lasing of microdisk and microring lasers with radii as small as 7 mum. The waveguide sidewall roughness was minimized by an optimized fabrication process using hydrogen silsesquioxane e-beam resist and Cl 2-CH 3-H 2 inductively coupled plasma etching. The devices show unidirectional bistability between the counterpropagating modes for radii larger than 30 mu m and a strong hybrid output polarization for radii smaller than 15 mum with a transverse-magnetic component of approximately 30%.

ORCID iDs

Mezosi, G, Strain, M.J. ORCID logoORCID: https://orcid.org/0000-0002-9752-3144, Furst, S, Wang, Z, Yu, S and Sorel, M.;
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