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Synthesis of optical filters using ring resonator arrays

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1 Author(s)
G. Griffel ; Princeton Lightwave Inc., NJ, USA

Multiple micro-optical four-port resonators, such as ring resonators, can be combined to obtain response functions not attainable with a single element. A matrix propagator method for analysis of multi-element filters is presented which takes into account bidirectional coupling among elements of a linear resonator array. Examples of filters attaining flat-top passbands, desirable for all-optical wavelength-division-multiplexed networks, are given.

Published in:

IEEE Photonics Technology Letters  (Volume:12 ,  Issue: 7 )