1310-nm asymmetric single mode grating-outcoupled surface-emitting semiconductor laser with a broadband and a narrowband DBR reflector

Taha Masood; Steve Patterson; Nuditha V. Amarasinghe; Scott McWilliams; Duy Phan; Darren Lee; Zuhair A. Hilali; Xiong Zhang; Gary A. Evans; Jerome Butler

doi:10.1117/12.511413

8 December 2003 1310-nm asymmetric single mode grating-outcoupled surface-emitting semiconductor laser with a broadband and a narrowband DBR reflector

Taha Masood, Steve Patterson, Nuditha V. Amarasinghe, Scott McWilliams, Duy Phan, Darren Lee, Zuhair A. Hilali, Xiong Zhang, Gary A. Evans, Jerome Butler

Author Affiliations +

Proceedings Volume 5248, Semiconductor Optoelectronic Devices for Lightwave Communication; (2003) https://doi.org/10.1117/12.511413
Event: ITCom 2003, 2003, Orlando, Florida, United States

Abstract

A 1310 nm single-frequency grating-outcoupled surface-emitting (GSE) semiconductor laser with output slope efficiency exceeding 0.05 mW/mA into a multimode fiber, threshold current below 20mA and > 30dB side-mode suppression ratio is reported. The GSE laser consists of a 500μm long active ridge that excites one end of a surface emitting second-order (outcoupler) grating with a broadband reflector terminating the laser cavity at the end of the outcoupler. At the opposite end of the outcoupler is a 200μm long first order distributed Bragg reflector (DBR). The emitting output aperture is approximately 10μm in length. Higher output power is possible for outcoupler lengths greater than 10 um. The GSE laser has an open eye pattern for a nonreturn-to-zero signal at 2.5 Gb/s into a single mode fiber. The far-field beam divergence measured at full-width half-maximum (FWHM) is 5 x 8 degrees.

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Taha Masood, Steve Patterson, Nuditha V. Amarasinghe, Scott McWilliams, Duy Phan, Darren Lee, Zuhair A. Hilali, Xiong Zhang, Gary A. Evans, and Jerome Butler "1310-nm asymmetric single mode grating-outcoupled surface-emitting semiconductor laser with a broadband and a narrowband DBR reflector", Proc. SPIE 5248, Semiconductor Optoelectronic Devices for Lightwave Communication, (8 December 2003); https://doi.org/10.1117/12.511413

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KEYWORDS

Reflectors

Semiconductor lasers

Distributed Bragg reflectors

Eye

Fiber lasers

Laser damage threshold

Laser resonators

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