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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 9 — May. 5, 2014
  • pp: 11279–11289

Control of integrated micro-resonator wavelength via balanced homodyne locking

Jonathan A. Cox, Anthony L. Lentine, Douglas C. Trotter, and Andrew L. Starbuck  »View Author Affiliations

Optics Express, Vol. 22, Issue 9, pp. 11279-11289 (2014)

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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° C.

© 2014 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(130.0130) Integrated optics : Integrated optics
(130.6750) Integrated optics : Systems
(200.4650) Optics in computing : Optical interconnects
(130.7408) Integrated optics : Wavelength filtering devices
(130.4110) Integrated optics : Modulators

ToC Category:
Integrated Optics

Original Manuscript: February 14, 2014
Revised Manuscript: April 15, 2014
Manuscript Accepted: April 16, 2014
Published: May 2, 2014

Jonathan A. Cox, Anthony L. Lentine, Douglas C. Trotter, and Andrew L. Starbuck, "Control of integrated micro-resonator wavelength via balanced homodyne locking," Opt. Express 22, 11279-11289 (2014)

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