Tunable broad-area InGaN laser diodes in external cavity

K. Komorowska; P. Wisniewski; R. Czernecki; P. Prystawko; M. Leszczynski; T. Suski; I. Grzegory; S. Porowski; S. Grzanka; M. Maszkowicz; P. Perlin

doi:10.1117/12.698285

8 February 2007 Tunable broad-area InGaN laser diodes in external cavity

K. Komorowska, P. Wisniewski, R. Czernecki, P. Prystawko, M. Leszczynski, T. Suski, I. Grzegory, S. Porowski, S. Grzanka, M. Maszkowicz, P. Perlin

Author Affiliations +

Proceedings Volume 6485, Novel In-Plane Semiconductor Lasers VI; 648502 (2007) https://doi.org/10.1117/12.698285
Event: Integrated Optoelectronic Devices 2007, 2007, San Jose, California, United States

Abstract

We have used pulsed operation, wide area InGaN laser diodes in conjunction with Littrow type external cavity to build a tunable, single mode laser operating around 398 nm. Special coatings had been applied to the device - antireflection coating on the output mirror and high - reflector on the back facet. The tuning range of this device was 5.5 nm, the maximum output power reached 40mW in a single mode operation. This value compares well with the output power of an uncoupled laser diode -170mW. The coupling between the external cavity and the internal resonator is estimated to be around 2.5% for a waveguide dimensions of 20 x 0.3 x 500&mgr;m³.

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K. Komorowska, P. Wisniewski, R. Czernecki, P. Prystawko, M. Leszczynski, T. Suski, I. Grzegory, S. Porowski, S. Grzanka, M. Maszkowicz, and P. Perlin "Tunable broad-area InGaN laser diodes in external cavity", Proc. SPIE 6485, Novel In-Plane Semiconductor Lasers VI, 648502 (8 February 2007); https://doi.org/10.1117/12.698285

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