Continuous-wave operation of phase-coupled vertical-cavity surface-emitting laser arrays

Fabrice Monti di Sopra; Marcel Brunner; Rainer Hoevel; Michael Moser; Eli E. Kapon

doi:10.1117/12.424798

4 May 2001 Continuous-wave operation of phase-coupled vertical-cavity surface-emitting laser arrays

Fabrice Monti di Sopra, Marcel Brunner, Rainer Hoevel, Michael Moser, Eli E. Kapon

Proceedings Volume 4286, Vertical-Cavity Surface-Emitting Lasers V; (2001) https://doi.org/10.1117/12.424798
Event: Symposium on Integrated Optics, 2001, San Jose, CA, United States

Abstract

Coupled arrays of vertical-cavity surface-emitting lasers were realized by patterning the reflectivity of the top-distributed Bragg reflector using a phase-matching layer and a metal grid. For improved current injection and better heat dissipation the devices were selectively oxidized. Continuous-wave room-temperature operation of these anays has been achieved at 960 urn. Polarization resolved measurements revealed a stable behavior without any polarization flips in the fundamental lasingmode regime. Spectrally resolved measurements of the near- and far-field showed an abrupt transition from the fundamental super-mode with a TEM00-shaped near-field in every individual pixel with a beam divergence of 5.5°in both arraydirections to a TEM01-like super-mode with 5.5° beam divergence in one direction and 1 1° in the other direction. Measurements with high angular resolution showed full-width at half-maximum of the far-field intensity lobes as small as 0.89° for a lOxlO array.

Citation Download Citation

Fabrice Monti di Sopra, Marcel Brunner, Rainer Hoevel, Michael Moser, and Eli E. Kapon "Continuous-wave operation of phase-coupled vertical-cavity surface-emitting laser arrays", Proc. SPIE 4286, Vertical-Cavity Surface-Emitting Lasers V, (4 May 2001); https://doi.org/10.1117/12.424798

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