NDLI: A Robust and Tunable Add–Drop Filter Using Whispering Gallery Mode Microtoroid Resonator

Content Provider	IEEE Xplore Digital Library
Author	Monifi, F. Friedlein, J. Ozdemir, S.K. Lan Yang
Copyright Year	1983
Abstract	We fabricated and theoretically investigated an add-drop filter (ADF) using an on-chip whispering gallery mode (WGM) microtoroid resonator with ultrahigh-quality factor (Q) side coupled to two taper fibers, forming the bus and drop waveguides. The new device design incorporates silica side walls close to the microresonators which not only enable placing the coupling fibers on the same plane with respect to the microtoroid resonator but also provides mechanical stability, leading to an ADF with high drop efficiency and improved robustness to environmental perturbations. We show that this new device can be thermally tuned to drop desired wavelengths from the bus without significantly affecting the drop efficiency, which is around 57%.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	3306
Ending Page	3315
Page Count	10
File Size	1265475
File Format	PDF
ISSN	07338724
Volume Number	30
Issue Number	21
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Couplings Optical waveguides Optical resonators Silicon compounds Q factor Fabrication Silicon whispering gallery mode (WGM) Add–drop filter (ADF) microresonator microtoroid thermal effects
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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