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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 21 — Oct. 17, 2007
  • pp: 13907–13912

Mirror cavity MMI coupled photonic wire resonator in SOI

Przemek J. Bock, Pavel Cheben, Dan-Xia Xu, Siegfried Janz, and Trevor J. Hall  »View Author Affiliations

Optics Express, Vol. 15, Issue 21, pp. 13907-13912 (2007)

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We propose a new waveguide resonator device with a mirror cavity and a multimode interference (MMI) coupler. We present simulation results for the silicon wire MMI coupler with suppressed reflections and its use as a coupling element in the resonator cavity, built on the silicon-on-insulator waveguide platform. Tapering structures used in the reflection suppression were optimized, and the wavelength dependency of a conventional MMI was compared to that of the MMI with reflection suppression. Equations relating the power transfer of the two-mirror MMI-coupled resonator and quality factor were derived. The device was also studied using finite difference time domain simulation by both pulse and continuous wave excitation. The resonator does not require bend waveguides, it has the advantages of having no bend loss and a compact layout. The resonator device has a very small footprint of 3 μm × 30 μm, and a quality factor of 516.

© 2007 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(060.4510) Fiber optics and optical communications : Optical communications
(130.3120) Integrated optics : Integrated optics devices
(230.5750) Optical devices : Resonators

ToC Category:
Integrated Optics

Original Manuscript: August 3, 2007
Revised Manuscript: September 23, 2007
Manuscript Accepted: September 28, 2007
Published: October 8, 2007

Przemek J. Bock, Pavel Cheben, Dan-Xia Xu, Siegfried Janz, and Trevor J. Hall, "Mirror cavity MMI coupled photonic wire resonator in SOI," Opt. Express 15, 13907-13912 (2007)

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