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HETEROGENE INTEGRATION OF FREQUENCY COMB GENERATORS FOR HIGH-SPEED TRANSCEIVERS
HETEROGENE INTEGRATION OF FREQUENCY COMB GENERATORS FOR HIGH-SPEED TRANSCEIVERS
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机译：频率梳的HETEROGENE集成发电机高速收发器
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摘要
A photonic frequency comb generator includes two integrated dies: an indium phosphide die on which a first wavelength laser is grown, and a silicon photonic die with a micro ring resonator connected to the laser and frequency modulators. The micro ring resonator converts the first wavelength into a number of second wavelengths. One type of micro ring resonator is a hybrid non-linear optical wavelength generator that includes non-silicon materials such as SiC or SiGe on silicon to achieve non-linear wavelength generation. The second wavelengths are generated by adjusting the geometric size of the ring and the spacing between the ring and the traverse waveguide. Another type of micro ring resonator splits the first wavelength into a plurality of second wavelengths and transmits the plurality of second wavelengths to filters and modulators that each select and modulate one of the second wavelengths in a one-to-one relationship. This frequency comb generator finds application in WDM/CWDM and multi-chip modules in high-speed transceivers.
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