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

Marc Sorel, Gábor Mezosi, Michael J Strain

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

2 Citations (Scopus)

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.
Original languageEnglish
Title of host publicationProceedings of SPIE 7230, Novel In-Plane Semiconductor Lasers VIII, 72300I
EditorsAlexey A. Belyanin, Peter M. Smowton
Place of PublicationSan Jose
DOIs
Publication statusPublished - 24 Jan 2009

Fingerprint

Videodisks
optical switching
Semiconductor materials
rings
lasers
Etching
Signal processing
Waveguides
footprints
Fabrication
continuous radiation
Geometry
Lasers
signal processing
etching
waveguides
cavities
fabrication
radii
evaluation

Keywords

  • semiconductor micro-ring
  • micro-disk lasers
  • all-optical switching

Cite this

Sorel, M., Mezosi, G., & Strain, M. J. (2009). Semiconductor micro-ring and micro-disk lasers for all-optical switching. In A. A. Belyanin, & P. M. Smowton (Eds.), Proceedings of SPIE 7230, Novel In-Plane Semiconductor Lasers VIII, 72300I San Jose. https://doi.org/10.1117/12.809739
Sorel, Marc ; Mezosi, Gábor ; Strain, Michael J. / Semiconductor micro-ring and micro-disk lasers for all-optical switching. Proceedings of SPIE 7230, Novel In-Plane Semiconductor Lasers VIII, 72300I . editor / Alexey A. Belyanin ; Peter M. Smowton. San Jose, 2009.
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Sorel, M, Mezosi, G & Strain, MJ 2009, Semiconductor micro-ring and micro-disk lasers for all-optical switching. in AA Belyanin & PM Smowton (eds), Proceedings of SPIE 7230, Novel In-Plane Semiconductor Lasers VIII, 72300I . San Jose. https://doi.org/10.1117/12.809739

Semiconductor micro-ring and micro-disk lasers for all-optical switching. / Sorel, Marc; Mezosi, Gábor; Strain, Michael J.

Proceedings of SPIE 7230, Novel In-Plane Semiconductor Lasers VIII, 72300I . ed. / Alexey A. Belyanin; Peter M. Smowton. San Jose, 2009.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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N2 - 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.

AB - 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.

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Sorel M, Mezosi G, Strain MJ. Semiconductor micro-ring and micro-disk lasers for all-optical switching. In Belyanin AA, Smowton PM, editors, Proceedings of SPIE 7230, Novel In-Plane Semiconductor Lasers VIII, 72300I . San Jose. 2009 https://doi.org/10.1117/12.809739