NDLI: Photonic Microwave Channel Selective Filter Incorporating a Thermooptic Switch Based on Tunable Ring Resonators

Content Provider	IEEE Xplore Digital Library
Author	Gun-Duk Kim Sang-Shin Lee
Copyright Year	1989
Abstract	A photonic microwave (MW) channel selective filter was demonstrated incorporating a 1times2 switch based on two tunable polymeric resonators with different free-spectral ranges (FSRs). Each resonator plays a role as an ON-OFF switch through the thermooptic effect, consisting of two cascaded rings with an electrode formed on one of them. The optical signal carrying the MW signal is routed to either port of the switch and detected to exhibit the filtered output at the frequency determined by the FSR of the corresponding resonator. When the channel centered at 10 GHz was chosen, the extinction ratio was ~30 dB, the bandwidth 1 GHz, and the electrical power consumption 4.1 mW. And for the other channel located at 20 GHz, we have achieved the extinction ratio of ~30 dB, the bandwidth of 2 GHz, and the required power of 8.0 mW. Finally, the crosstalk between the selected and blocked channels was higher than 24 dB.
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	1008
Ending Page	1010
Page Count	3
File Size	306339
File Format	PDF
ISSN	10411135
Volume Number	19
Issue Number	13
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Microwave filters Resonator filters Optical ring resonators Optical filters Optical switches Optical resonators Extinction ratio Bandwidth Polymers Thermooptic effects thermooptic (TO) effect Channel selective filter photonic microwave (MW) filter reconfigurable ring resonator
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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