Journal
OPTICS EXPRESS
Volume 22, Issue 9, Pages 11279-11289Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.22.011279
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Funding
- Sandia's Laboratory Directed Research and Development (LDRD) program
- United States Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]
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We describe and experimentally demonstrate a method for active control of resonant modulators and filters in an integrated photonics platform. Variations in resonance frequency due to manufacturing processes and thermal fluctuations are corrected by way of balanced homodyne locking. The method is compact, insensitive to intensity fluctuations, minimally disturbs the micro-resonator, and does not require an arbitrary reference to lock. We demonstrate long-term stable locking of an integrated filter to a laser swept over 1.25 THz. In addition, we show locking of a modulator with low bit error rate while the chip temperature is varied from 5 to 60 degrees C. (C) 2014 Optical Society of America
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