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Miniaturized Optical Delay Lines Using Photonic Crystals

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4 Author(s)
M. Fakharzadeh ; RF, Microwave and Photonics Group, Electrical and Computer Engineering Department, University of Waterloo, 200 University Ave. West, Waterloo, ON, N2L 3G1, Canada. Email: ; O. M. Ramahi ; S. K. Chaudhuri ; S. Safavi-Naeini

A novel optical delay line based on total reflection of lightwave in two dimensional photonic crystal waveguides (PCW) is introduced. The performance of this novel structure is compared to several proposed arrangements for compact delay lines in photonic crystals. Furthermore, it is shown that replacing PCWs with coupled defects can significantly increase the time delay (by at least a factor of five) without decreasing the output power. Using full-wave analysis, it is demonstrated that time delays longer than 5.25 ps can be achieved in a device size less than 25 m, while transmission loss is kept as low as 0.12dB

Published in:

2006 IEEE MTT-S International Microwave Symposium Digest

Date of Conference:

11-16 June 2006