Research Papers

Characteristics of ultra-compact polymer modulators based on silicon photonic crystal ring resonators

[+] Author Affiliations
Zexuan Qiang, Weidong Zhou

Department of Electrical Engineering, University of Texas at Arlington, NanoFAB Center, Arlington, TX 76019-0072

Richard A. Soref

Sensors Directorate, U.S. Air Force Research Lab, AFRL/RYHC, Hanscom Air Force Base, MA 01731

Zhenqiang Ma

Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, WI 53706

J. Nanophoton. 2(1), 023507 (May 22, 2008). doi:10.1117/1.2943640
History: Received April 12, 2008; Revised May 20, 2008; Accepted May 21, 2008; May 22, 2008; Online May 22, 2008
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Abstract

Ultra-compact polymer modulators were proposed and simulated, based on the hybrid integration of functional polymer materials with Si based photonic-crystal ring resonators (PCRRs). The simulations were carried out on device characteristics with an effective ring radius of 2.3 μm and tunable polymer index from 1.785 to 1.805. Investigating the loss, the cavity quality factor Q, and the free spectral range of such PCRRs, we found a 0.02 dB intrinsic loss that is independent of diameter, unlike the loss that varies inversely with diameter in microstrip resonators. Close to 100% drop efficiency at the drop channel of 1557.5 nm was obtained by design with a high spectral selectivity of Q greater than 1319 in the single-ring PCRR-based add-drop filters with ring radius of 1.2 μm.

© 2008 Society of Photo-Optical Instrumentation Engineers

Citation

Zexuan Qiang ; Weidong Zhou ; Richard A. Soref and Zhenqiang Ma
"Characteristics of ultra-compact polymer modulators based on silicon photonic crystal ring resonators", J. Nanophoton. 2(1), 023507 (May 22, 2008). ; http://dx.doi.org/10.1117/1.2943640


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