Material systems for VECSEL gain mirrors (Conference Presentation)

Mircea Guina

doi:10.1117/12.2514084

13 March 2019 Material systems for VECSEL gain mirrors (Conference Presentation)

Mircea Guina

Author Affiliations +

Proceedings Volume 10901, Vertical External Cavity Surface Emitting Lasers (VECSELs) IX; 1090102 (2019) https://doi.org/10.1117/12.2514084
Event: SPIE LASE, 2019, San Francisco, California, United States

Abstract

The progress in developing practical vertical external cavity surface emitting lasers (VECSELs) continues to open new application opportunities in spectroscopy, sensing, life science, and more recently quantum technology. One of the most important features of VECSEL platform is its wavelength versatility, addressing specific application needs. While there has been a tremendous progress in wavelength extension and power scalability of VECSELs [1], the performance level is rather diverse and to large extent reflects the maturity and efforts put behind developing the gain mirror technology. From this perspective, this tutorial presentation covers the challenges in advancing the VECSEL technology with a particular focus on engineering the semiconductor gain mirrors. Starting from general design guidelines for thermal management, pumping, and band-gap engineering, we discuss the key features underpinning the developments of the major classes of gain mirror material systems (i.e. based on GaN, GaAs, InP, and GaSb). The progress in the performance level of VECSELs is discussed in connection with the challenges and opportunities associated with the gain mirror technology. References 1. M. Guina et al., “Optically pumped VECSELs: review of technology and progress”, Journal of Physics D: Applied Physics Vol. 50, no. 38, 383001 (2017).

Conference Presentation

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Mircea Guina "Material systems for VECSEL gain mirrors (Conference Presentation)", Proc. SPIE 10901, Vertical External Cavity Surface Emitting Lasers (VECSELs) IX, 1090102 (13 March 2019); https://doi.org/10.1117/12.2514084

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KEYWORDS

Mirrors

Gallium antimonide

Gallium arsenide

Gallium nitride

Laser development

Life sciences

Optical pumping

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