A proposal for the generation of optical frequency comb in temperature insensitive microcavity
CHINESE PHYSICS B(2016)
摘要
We numerically simulate the generation of an optical frequency comb (OFC) in a microring based on the traditional Si3N4 strip waveguide and a temperature compensated slot waveguide. The results show that OFCs are susceptible to temperature with strip waveguide while they can keep stable when temperature changes 10 K in either low-Q (10(5)) or high-Q (10(6)) microcavity with the well-designed slot waveguide, which has great superiority in practical applications where the temperature drift of the cavity due to the intense pump or surrounding change is unavoidable.
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关键词
temperature insensitive,optical frequency comb,flattened dispersion,slot waveguide
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