期刊
OPTICS EXPRESS
卷 23, 期 9, 页码 12079-12088出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.23.012079
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资金
- Defense Advanced Research Projects Agency (DARPA) [HR0011-08-09-0001]
A Si/III-V hybrid laser has been a highly sought after device for energy-efficient and cost-effective high-speed silicon photonics communication. We present a high wall-plug efficiency external-cavity hybrid laser created by integrating an independently optimized SOI ring reflector and a III-V gain chip. In our demonstration, the uncooled integrated laser achieved a waveguide-coupled wall-plug efficiency of 12.2% at room temperature with an optical output power of similar to 10 mW. The laser operated single-mode near 1550 nm with a linewidth of 0.22 pm. This is a tunable light source with 8 nm wavelength tuning range. A proof-ofconcept laser wavelength stabilization technique has also been demonstrated. Using a simple feedback loop, we achieved mode-hop-free operation in a packaged external-cavity hybrid laser as bias current was varied by 60mA. (C) 2015 Optical Society of America
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