Grating-coupled surface emitters with built-in beam control

Anders G. Larsson; Niklas Eriksson; Ming Li; Sigurgeir Kristjansson; Mats Hagberg

doi:10.1117/12.273835

1 May 1997 Grating-coupled surface emitters with built-in beam control

Anders G. Larsson, Niklas Eriksson, Ming Li, Sigurgeir Kristjansson, Mats Hagberg

Proceedings Volume 3004, Fabrication, Testing, and Reliability of Semiconductor Lasers II; (1997) https://doi.org/10.1117/12.273835
Event: Photonics West '97, 1997, San Jose, CA, United States

Abstract

A grating coupled surface emitting semiconductor laser consists of an in-plane laser with an integrated grating coupler that couples the light from the laser out of the waveguide and simultaneously shapes the emitted beam. Here we report on the progress towards a fully integrated grating coupled surface emitter. This includes: (1) grating outcouplers exhibiting more than 90% outcoupling efficiency through the use of optimized grating profiles and waveguide structures, (2) grating outcouplers possessing beam shaping capabilities through the use of computer generated waveguide holograms, and (3) grating based in-plane lasers producing wide and spatially coherent guided modes through the use of an unstable resonator design and mode selective feedback elements.

Citation Download Citation

Anders G. Larsson, Niklas Eriksson, Ming Li, Sigurgeir Kristjansson, and Mats Hagberg "Grating-coupled surface emitters with built-in beam control", Proc. SPIE 3004, Fabrication, Testing, and Reliability of Semiconductor Lasers II, (1 May 1997); https://doi.org/10.1117/12.273835

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