Transverse mode control of VCSELs using 3D-printed micro-optics

Darwin K. Serkland; Melanie T. Murillo; Bryan Kaehr; Michael A. Gallegos; Gregory M. Peake; Michael G. Wood; Alejandro J. Grine; Theodore J. Morin; C. Ryan Tait; Kent M. Geib

doi:10.1117/12.2583349

9 March 2021 Transverse mode control of VCSELs using 3D-printed micro-optics

Darwin K. Serkland, Melanie T. Murillo, Bryan Kaehr, Michael A. Gallegos, Gregory M. Peake, Michael G. Wood, Alejandro J. Grine, Theodore J. Morin, C. Ryan Tait, Kent M. Geib

Author Affiliations +

Proceedings Volume 11704, Vertical-Cavity Surface-Emitting Lasers XXV; 117040I (2021) https://doi.org/10.1117/12.2583349
Event: SPIE OPTO, 2021, Online Only

Abstract

We have fabricated 3D printed micro-optics to feedback light into an 850-nm VCSEL with reduced top-mirror reflectivity and control its transverse modes. Our goal is to create a single-frequency VCSEL with output power on the order of 10 mW for use in atomic and quantum physics. Feedback of 50% can reduce threshold current 5-fold and preferentially select the fundamental transverse mode. We will compare theory and experiment for micro-optic length scales near 100 microns, yielding Gaussian mode diameters near 10 microns.

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Darwin K. Serkland, Melanie T. Murillo, Bryan Kaehr, Michael A. Gallegos, Gregory M. Peake, Michael G. Wood, Alejandro J. Grine, Theodore J. Morin, C. Ryan Tait, and Kent M. Geib "Transverse mode control of VCSELs using 3D-printed micro-optics", Proc. SPIE 11704, Vertical-Cavity Surface-Emitting Lasers XXV, 117040I (9 March 2021); https://doi.org/10.1117/12.2583349

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