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Proceedings Paper

Master oscillator power amplifier 3D assemblies based on grating coupled laser diodes
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Paper Abstract

We report on novel architectures of the hybrid master oscillator power amplifier (MOPA) assemblies incorporating vertically stacked surface-emitting laser diodes. Optical coupling between the MO and the PA is provided by nonresonant grating couplers integrated on both of the devices. The MOPA consists of a MO chip with dual grating reflector for single wavelength operation and a flared PA chip with two grating outcouplers. Optical peak power over 100W and spectral bandwidth of 0.2nm were achieved from the single MOPA while the MO operated in the gain-switching regime and the PA operated as a traveling wave amplifier. New designs of coherent MOPA arrays are proposed based on a phase locked MO bar and a single transverse mode PA bar. This MOPA assembly requires an optical cross-coupling between the bars provided by tilted gratings which have been developed and experimentally evaluated.

Paper Details

Date Published: 29 January 2008
PDF: 6 pages
Proc. SPIE 6909, Novel In-Plane Semiconductor Lasers VII, 690919 (29 January 2008); doi: 10.1117/12.763094
Show Author Affiliations
Oleg V. Smolski, Univ. of North Carolina at Charlotte (United States)
Jason K. O'Daniel, Photodigm, Inc. (United States)
Eric G. Johnson, Univ. of North Carolina at Charlotte (United States)
Paul Leisher, nLight Corp. (United States)
Paul Crump, Ferdinand-Braun-Institut (Germany)

Published in SPIE Proceedings Vol. 6909:
Novel In-Plane Semiconductor Lasers VII
Alexey A. Belyanin; Peter M. Smowton, Editor(s)

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