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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 31 — Nov. 1, 2009
  • pp: G148–G155

Linear transmission properties of a vertically stacked multiring resonator with a defect

Mehdi Shafiei, Mohammad Khanzadeh, Mohammad Agha-Bolorizadeh, and Reza Farrahi Moghaddam  »View Author Affiliations


Applied Optics, Vol. 48, Issue 31, pp. G148-G155 (2009)
http://dx.doi.org/10.1364/AO.48.00G148


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Abstract

The linear characteristics of a vertically stacked multiring resonator (VMR) that can support a photonic bandgap with a defect located at the middle of the structure are investigated numerically. Initially, the spectral transfer characteristics of the uniform structure are studied. Then, the transmission properties of the VMR structure possessing a defect are investigated. The defect is realized by varying the waveguide width of one of the rings in the VMR chain. Finally, the existence of defect modes in the linear periodic array is numerically demonstrated by solving the corresponding coupled wave equations. Numerical results predict a high quality factor (Q) of up to 1.6 × 10 5 for this microcavity. We also show that our microcavity has a good insensitivity of quality factor to geometric imperfections.

© 2009 Optical Society of America

OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(230.3990) Optical devices : Micro-optical devices
(230.5750) Optical devices : Resonators
(230.4555) Optical devices : Coupled resonators
(230.5298) Optical devices : Photonic crystals

History
Original Manuscript: June 15, 2009
Revised Manuscript: October 10, 2009
Manuscript Accepted: October 12, 2009
Published: October 26, 2009

Citation
Mehdi Shafiei, Mohammad Khanzadeh, Mohammad Agha-Bolorizadeh, and Reza Farrahi Moghaddam, "Linear transmission properties of a vertically stacked multiring resonator with a defect," Appl. Opt. 48, G148-G155 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-31-G148

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