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Analysis and design of box-like filters based on 3×2 microring resonator arrays

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3 Author(s)
Xiaobei Zhang ; Key Laboratory of Specialty Fiber Optics and Optical Access Networks, School of Communication and Information Engineering, Shanghai University, 200072, China ; Xinliang Zhang ; Huang, Dexiu

This paper theoretically investigates spectral characteristics of the 3×2 microring resonator array, with its analytical model developed firstly. Simulation results show that the case of the ring-bus coupling coefficient smaller than the ring-ring coupling coefficient is suitable for box-like filters. After design principles are given, the optimization process are carried out by evaluating the side lobe rejection ratio, the passband ripple rejection ratio and the roll-off coefficient of the passband edge. The FWHM of the designed box-like filter can be adjustable in a flexible range.

Published in:

Communications and Photonics Conference and Exhibition (ACP), 2009 Asia  (Volume:2009-Supplement )

Date of Conference:

2-6 Nov. 2009