VECSEL subcavity design and optimization for targeted wavelengths

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

Abstract

Optically pumped semiconductor (OPS) vertical-external-cavity surface-emitting lasers (VECSELs) offer the first truly high-brightness high power laser sources with serious power scaling potential to multiple kW levels and flexible spectral coverage from IR to mid-IR. Due to the fact that the semiconductor chip (or subcavity) of a VECSEL serves as both the gain medium and a cavity mirror, the design and optimization of the semiconductor subcavity is key to achieve high power operation and consequently high power extraction via pump area scaling. A fundamental microscopic quantum design approach, allowing for calculating the electro-optical properties of QWs such as the optical gain/absorption and carrier recombination rates, is combined with a coupled optical-thermal-carrier analysis scheme to design and optimize VECSEL chips for wavelengths in the IR. We will describe the design and optimization procedure and present simulation results on VECSEL chips at wavelengths of 980 nm, 1178 nm, and 2 μm.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume6871
DOIs
StatePublished - 2008
EventSolid State Lasers XVII: Technology and Devices - San Jose, CA, United States
Duration: Jan 20 2008Jan 24 2008

Other

OtherSolid State Lasers XVII: Technology and Devices
CountryUnited States
CitySan Jose, CA
Period1/20/081/24/08

Fingerprint

Surface emitting lasers
surface emitting lasers
Wavelength
cavities
optimization
Semiconductor materials
wavelengths
chips
Optical gain
High power lasers
scaling
Luminance
Mirrors
Optical properties
high power lasers
Pumps
brightness
pumps
mirrors
optical properties

Keywords

  • Optically pumped semiconductor laser (OPSL)
  • Semiconductor subcavity
  • VECSEL

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Li, H., Hader, J., Moloney, J. V., & Koch, S. W. (2008). VECSEL subcavity design and optimization for targeted wavelengths. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 6871). [687110] https://doi.org/10.1117/12.763620

VECSEL subcavity design and optimization for targeted wavelengths. / Li, Hongbo; Hader, Jorg; Moloney, Jerome V; Koch, Stephan W.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6871 2008. 687110.

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

Li, H, Hader, J, Moloney, JV & Koch, SW 2008, VECSEL subcavity design and optimization for targeted wavelengths. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 6871, 687110, Solid State Lasers XVII: Technology and Devices, San Jose, CA, United States, 1/20/08. https://doi.org/10.1117/12.763620
Li H, Hader J, Moloney JV, Koch SW. VECSEL subcavity design and optimization for targeted wavelengths. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6871. 2008. 687110 https://doi.org/10.1117/12.763620
Li, Hongbo ; Hader, Jorg ; Moloney, Jerome V ; Koch, Stephan W. / VECSEL subcavity design and optimization for targeted wavelengths. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6871 2008.
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