High-performance operations of sampled grating DBR lasers with optimized butt-coupling method

Su Hwan Oh; Chul-Wook Lee; Ki Soo Kim; Hyunsung Ko; Sahnggi Park; Moon-Ho Park; Ji-Myon Lee; Suhyun Kim; Youngchul Chung

doi:10.1117/12.691516

10 October 2006 High-performance operations of sampled grating DBR lasers with optimized butt-coupling method

Su Hwan Oh, Chul-Wook Lee, Ki Soo Kim, Hyunsung Ko, Sahnggi Park, Moon-Ho Park, Ji-Myon Lee, Suhyun Kim, Youngchul Chung

Author Affiliations +

Proceedings Volume 6352, Optoelectronic Materials and Devices; 63520K (2006) https://doi.org/10.1117/12.691516
Event: Asia-Pacific Optical Communications, 2006, Gwangju, South Korea

Abstract

The butt-coupled (BT) sampled grating distributed Bragg reflector laser diode (SGDBR-LD) was designed and fabricated using planar buried heterostructure (PBH), enabling a low threshold current and a stable fundamental transverse mode. The but-coupled SGDBR-LD's with target tuning ranges of 44.4nm was fabricated, and the tuning ranges were experimentally measured to be 44.4nm. The measured peak periods of the fabricated SGDBR-LD's were well matched with theoretical values and output power is close to calculated values. The side mode suppression ratio of more than 35dB was obtained in the whole tuning range. The output power variation was less than 5dB, which is 4dB smaller than that of RWG structure.

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Su Hwan Oh, Chul-Wook Lee, Ki Soo Kim, Hyunsung Ko, Sahnggi Park, Moon-Ho Park, Ji-Myon Lee, Suhyun Kim, and Youngchul Chung "High-performance operations of sampled grating DBR lasers with optimized butt-coupling method", Proc. SPIE 6352, Optoelectronic Materials and Devices, 63520K (10 October 2006); https://doi.org/10.1117/12.691516

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