Unidirectional bistability in AlGaInAs microring and microdisk semiconductor lasers

G Mezosi; M.J. Strain; S Furst; Z Wang; S Yu; M. Sorel

doi:10.1109/LPT.2008.2008660

Unidirectional bistability in AlGaInAs microring and microdisk semiconductor lasers

G Mezosi, M.J. Strain, S Furst, Z Wang, S Yu, M. Sorel

Research output: Contribution to journal › Article

39 Citations (Scopus)

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%.

Original language	English
Pages (from-to)	88-90
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	21
Issue number	2
DOIs	https://doi.org/10.1109/LPT.2008.2008660
Publication status	Published - 15 Jan 2009

Keywords

gallium arsenide
III-V semiconductors
microdisc lasers
sputter etching

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title = "Unidirectional bistability in AlGaInAs microring and microdisk semiconductor lasers",

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%.",

keywords = "gallium arsenide, III-V semiconductors, microdisc lasers, sputter etching",

author = "G Mezosi and M.J. Strain and S Furst and Z Wang and S Yu and M. Sorel",

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AU - Mezosi, G

AU - Strain, M.J.

AU - Furst, S

AU - Wang, Z

AU - Yu, S

AU - Sorel, M.

PY - 2009/1/15

Y1 - 2009/1/15

N2 - 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%.

AB - 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%.

KW - gallium arsenide

KW - III-V semiconductors

KW - microdisc lasers

KW - sputter etching

U2 - 10.1109/LPT.2008.2008660

DO - 10.1109/LPT.2008.2008660

M3 - Article

VL - 21

SP - 88

EP - 90

JO - IEEE Photonics Technology Letters

JF - IEEE Photonics Technology Letters

SN - 1041-1135

IS - 2

ER -