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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 9 — Apr. 25, 2011
  • pp: 8032–8044

Optics InfoBase > Optics Express > Volume 19 > Issue 9 > Page 8032

Waveguide self-coupling based reconfigurable resonance structure for optical filtering and delay

Linjie Zhou, Tong Ye, and Jianping Chen  »View Author Affiliations


Optics Express, Vol. 19, Issue 9, pp. 8032-8044 (2011)
http://dx.doi.org/10.1364/OE.19.008032


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Abstract

We propose a novel waveguide self-coupling based reconfigurable resonance structure to work as a flat-top second-order tunable filter and a tunable delay line with low group delay dispersion. The high-order resonance features result from the mutual mode coupling between the clockwise and counter-clockwise resonance eigenmodes. The transfer-matrix method is used to theoretically analyze the device optical performances. The relations between the two embedded phase shifters for achieving flat-top filtering and group delay responses are given. As the coupled resonances are provided by only one physical resonator, the device is inherently more compact and resilient to fabrication errors compared to conventional microring resonators. Phase tuning for its reconfiguration is also simpler and more power-efficient.

© 2011 OSA

OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(230.5750) Optical devices : Resonators
(130.7408) Integrated optics : Wavelength filtering devices

ToC Category:
Integrated Optics

History
Original Manuscript: January 13, 2011
Revised Manuscript: April 1, 2011
Manuscript Accepted: April 1, 2011
Published: April 12, 2011

Citation
Linjie Zhou, Tong Ye, and Jianping Chen, "Waveguide self-coupling based reconfigurable resonance structure for optical filtering and delay," Opt. Express 19, 8032-8044 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-9-8032


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