High Efficiency Operation of Membrane Distributed-Reflector Laser with Reduced Index Coupling Coefficient Structure

Takuo Hiratani; Daisuke Inoue; Takahiro Tomiyasu; Kai Fukuda; Nagisa Nakamura; Tomohiro Amemiya; Tomohiro Amemiya; Nobuhiko Nishiyama; Nobuhiko Nishiyama; Shigehisa Arai; Shigehisa Arai

2017 Conference on Lasers and Electro-Optics Pacific Rim
(Optica Publishing Group, 2017),
paper s2697

High Efficiency Operation of Membrane Distributed-Reflector Laser with Reduced Index Coupling Coefficient Structure

Takuo Hiratani, Daisuke Inoue, Takahiro Tomiyasu, Kai Fukuda, Nagisa Nakamura, Tomohiro Amemiya, Nobuhiko Nishiyama, and Shigehisa Arai

Conference on Lasers and Electro-Optics/Pacific Rim 2017

Singapore Singapore
31 July–4 August 2017
ISBN: 978-1-5090-6290-4

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Advanced Materials and Structures (AMS)

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T. Hiratani, D. Inoue, T. Tomiyasu, K. Fukuda, N. Nakamura, T. Amemiya, N. Nishiyama, and S. Arai, "High Efficiency Operation of Membrane Distributed-Reflector Laser with Reduced Index Coupling Coefficient Structure," in 2017 Conference on Lasers and Electro-Optics Pacific Rim, (Optica Publishing Group, 2017), paper s2697.

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Abstract

High efficiency operation of membrane distributed-reflector laser was demonstrated by both an improvement in differential quantum efficiency and a reduction of differential resistance. A threshold current of 0.44 mA, an external differential quantum efficiency for the front-side output of 36%, and a maximum power conversion efficiency of 14.6% were obtained for a device with a DFB section length of 40 μm.

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