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17 February 2009 On-chip silicon photonic wavelength control of laser source
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Tunable silicon microring filters are used to demonstrate CMOS-compatible on-chip wavelength control of Er+ doped fiber-lasers. The filter uses a 10 μm-diameter microring resonator based on single-mode silicon-on-insulator (SOI) strip waveguides operating around the telecom range of 1.55 μm. A piece of Er+ doped fiber (EDF) serves as the gain media which is pumped by a 980 nm laser diode. An on-chip Ni-Cr micro-heater consuming up to 38 mW is capable of tuning the Si microring filter by 2.3 nm with a lasing linewidths narrower than 0.02 nm. This approach enables arbitrary multiple wavelength generation on a silicon chip. Possible applications include on-chip and chip-to-chip densewavelength division multiplexed communications, telecommunications and optical sensor interrogation.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xuan Wang, Tao Liu, Vilson R. Almeida, and Roberto R. Panepucci "On-chip silicon photonic wavelength control of laser source", Proc. SPIE 7220, Silicon Photonics IV, 722014 (17 February 2009);

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