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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 3 — Feb. 6, 2006
  • pp: 1208–1222

Coupling-induced resonance frequency shifts in coupled dielectric multi-cavity filters

Miloš A. Popović, Christina Manolatou, and Michael R. Watts  »View Author Affiliations

Optics Express, Vol. 14, Issue 3, pp. 1208-1222 (2006)

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Coupling-induced resonance frequency shifts (CIFS) are theoretically described, and are found to be an important fundamental source of resonance frequency mismatch between coupled optical cavities that would be degenerate in isolation. Their deleterious effect on high-order resonant filter responses and complete correction by pre-distortion are described. Analysis of the physical effects contributing to CIFS shows that a positive index perturbation may bring about a resonance shift of either sign. Higher-order CIFS effects, the scaling of CIFS-caused impairment with finesse, FSR and index contrast, and the tolerability of frequency mismatch in telecom-grade filters are addressed. The results also suggest possible designs and applications for CIFS-free coupled-resonator systems.

© 2006 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.5750) Optical devices : Resonators

ToC Category:
Optical Devices

Original Manuscript: November 28, 2005
Revised Manuscript: January 20, 2006
Manuscript Accepted: January 23, 2006
Published: February 6, 2006

Miloš Popovic, Christina Manolatou, and Michael Watts, "Coupling-induced resonance frequency shifts in coupled dielectric multi-cavity filters," Opt. Express 14, 1208-1222 (2006)

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