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A defect-enhanced silicon photodiode and heater are integrated with and used to thermally stabilize a microring modulator. These optoelectronic components are interfaced with external control circuitry to create a closed-looped feedback system for thermally stabilizing the microring modulator. The thermal stabilization system enables the microring modulator to provide error-free 5-Gb/s modulation while being subjected to thermal fluctuations that would normally render it inoperable.
Padmaraju et al. (Mon,) studied this question.