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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 11 — May. 31, 2004
  • pp: 2356–2364

New ring resonator configuration using hybrid photonic crystal and conventional waveguide structures

Seunghyun Kim, Jingbo Cai, Jianhua Jiang, and Gregory P. Nordin  »View Author Affiliations

Optics Express, Vol. 12, Issue 11, pp. 2356-2364 (2004)

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We propose a new method of realizing ring resonators based on hybrid photonic crystal and conventional waveguide structures. The proposed ring resonator configuration is advantageous compared with general ring resonator structures for its controllability of the quality (Q) factor, free spectral range (FSR), and full width at half maximum (FWHM) over a wide range. We show ring resonator structures based on a single mode waveguide with core and clad refractive indices of 1.5 and 1.465, respectively. A 35µm×50µm ring resonator has a free spectral range (FSR) of 14.1nm and a quality (Q) factor of 595 with high optical efficiency (92.7%). By decreasing the size of the ring resonator to 35µm×35µm, the FSR is increased to 19.8nm. Modifying the splitting ratio of the beam splitters permits the Q factor to be increased to 1600.

© 2004 Optical Society of America

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(130.1750) Integrated optics : Components
(130.2790) Integrated optics : Guided waves
(130.3120) Integrated optics : Integrated optics devices
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Research Papers

Original Manuscript: April 7, 2004
Revised Manuscript: May 10, 2004
Published: May 30, 2004

Seunghyun Kim, Jingbo Cai, Jianhua Jiang, and Gregory Nordin, "New ring resonator configuration using hybrid photonic crystal and conventional waveguide structures," Opt. Express 12, 2356-2364 (2004)

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