Chinese Optics Letters, 2009, 7 (9): 809, Published Online: Sep. 22, 2009
High speed and wide temperature range uncooled 1.3-\mu m ridge waveguide DFB lasers 
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半导体激光器 高速 无致冷 宽温度范围 140.5960 Semiconductor lasers 230.5590 Quantum-well, -wire and -dot devices 250.5960 Semiconductor lasers
Abstract
A 1.3-\mu m wavelength vertical-mesa ridge waveguide mulitple-quantum-well (MQW) distributed feedback (DFB) laser with high directly modulated bandwidth and wide operation temperature range is reported. With the optimization of the strained-layer MQWs in the active region, the surrounding graded-index separated-confinement-heterostructure waveguide layers, together with the optimization of the detuning and coupling coefficient of the DFB grating, high directly modulation bandwidth of 16 GHz at room temperature and wide working temperature range from ?40 to 85 \circ C are obtained. The mean time to failure (MTTF) is estimated to be over 2×10<sup>6</sup> h. The device is suitable as light source of high-bit-rate optical transmitters with small size and reduced cost.
Dingli Wang, Ning Zhou, Ruikang Zhang, Xiaodong Huang, Linsong Li, Jun Zhang, Shan Jiang, Jing Shi. High speed and wide temperature range uncooled 1.3-\mu m ridge waveguide DFB lasers[J]. Chinese Optics Letters, 2009, 7(9): 809.
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