Abstract
We integrate a wavelength-tunable microring resonator with a monolithic Ge-on-Si photodetector for use as a variable bit-rate silicon receiver. The integrated receiver has a responsivity of . We achieved error-free operation for a wide range of bit rates from to . The wavelength tuning was realized by a TiN-based thermal heater, which enabled tuning of up to free spectral range.
© 2012 Optical Society of America
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