期刊
OPTICS LETTERS
卷 35, 期 7, 页码 1013-1015出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.35.001013
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资金
- Defense Advanced Research Projects Agency (DARPA) APS Program [HR0011-08-C-0102]
We report the performance of NiSi-based heaters integrated with submicrometer silicon waveguides. The heaters were fabricated using a standard complementary metal-oxide-semiconductor (CMOS) silicidation process on a thin silicon slab laterally connected with a silicon rib waveguide. The intrinsic properties of such NiSi waveguide heaters were characterized by using them as thermo-optic phase shifters in a Mach-Zehnder interferometer. The power consumption P-pi for obtaining a pi phase shift was measured to be as low as 20 mW, using CMOS-compatible drive voltages. The time constant of the thermo-optic response was less than 2.8 mu s. Simulations suggest that a further reduction in the power consumption P-pi is feasible. (C) 2010 Optical Society of America
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