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53 nm sampled grating tunable lasers from an InP generic foundry platform

: Lee, M.-H.; Soares, F.; Baier, M.; Möhrle, M.; Rehbein, W.; Schell, M.


Sciamanna, M. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Semiconductor Lasers and Laser Dynamics IX : 6-10 April 2020, online only, France
Bellingham, WA: SPIE, 2020 (Proceedings of SPIE 11356)
ISBN: 978-1-5106-3484-8
ISBN: 978-1-5106-3485-5
Paper 1135605, 6 S.
Conference "Semiconductor Lasers and Laser Dynamics" <9, 2020, Online>
Fraunhofer HHI ()

In this paper, we report the integration of sampled grating distributed Bragg reflector (SG-DBR) lasers using an InPbased generic integration platform for the first time. These lasers show 53 nm tuning range in C band from 1533 nm to 1586 nm with 40 dB side mode suppression (SMSR). Threshold current of the laser is 20 mA, and the front facet output power is 8 mW at 100 mA gain current. The Lorentzian optical linewidth amounts to 713 kHz. We fabricated this laser using the standard Multi-Project Wafer processes of the Fraunhofer HHI InP integration platform.