Abstract
We present a scheme for thermal stabilization of micro-ring resonator modulators through direct measurement of ring temperature using a monolithic PTAT temperature sensor. The measured temperature is used in a feedback loop to adjust the thermal tuner of the ring. The closed-loop feedback system is demonstrated to operate in presence of thermal perturbations at 20Gb/s.
Highlights
As bandwidth requirement for chip-to-chip links scale, signaling over electrical channels has become extremely challenging [1]
As the resonance wavelength is susceptible to temperature fluctuations, resonant modulators require thermal tuning
We propose thermal tuning through a monolithic distributed Proportional To Absolute Temperature (PTAT) sensor
Summary
As bandwidth requirement for chip-to-chip links scale, signaling over electrical channels has become extremely challenging [1]. Silicon photonics has the potential to enable low-power and high-speed chip-to-chip communication. Low-power and high-speed electrooptic modulators (EOM) are one of the key components in realization of chip-to-chip optical
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