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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 16 — Aug. 15, 2006
  • pp: 2444–2446

Optics InfoBase > Optics Letters > Volume 31 > Issue 16 > Variable bandwidth of dynamic add-drop filters based on coupling-controlled microdisk resonators

Variable bandwidth of dynamic add–drop filters based on coupling-controlled microdisk resonators

Ming-Chang M. Lee and Ming C. Wu  »View Author Affiliations


Optics Letters, Vol. 31, Issue 16, pp. 2444-2446 (2006)
http://dx.doi.org/10.1364/OL.31.002444


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Abstract

Dynamic add–drop filters with variable bandwidth are demonstrated on microelectromechanical-system (MEMS)–actuated microdisk resonators for what is believed to be the first time. The tuning mechanism is based on a variable power coupling ratio that is controlled by varying the gap spacing between the waveguide and the microdisk through MEMS actuators. The results show wavelength switching with an extinction ratio of 20 dB and a tunable bandwidth ranging from 12 to 27 GHz . These dual functions were realized using the device with the operation voltage varying between 0 and 35 V .

© 2006 Optical Society of America

OCIS Codes
(120.2440) Instrumentation, measurement, and metrology : Filters
(130.2790) Integrated optics : Guided waves
(130.3120) Integrated optics : Integrated optics devices
(230.5750) Optical devices : Resonators

ToC Category:
Integrated Optics

History
Original Manuscript: April 11, 2006
Manuscript Accepted: May 23, 2006
Published: July 25, 2006

Citation
Ming-Chang M. Lee and Ming C. Wu, "Variable bandwidth of dynamic add-drop filters based on coupling-controlled microdisk resonators," Opt. Lett. 31, 2444-2446 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-16-2444

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