Nonlinear phase shift of cascaded microring resonators
JOSA B, Vol. 20, Issue 10, pp. 2125-2132 (2003)
http://dx.doi.org/10.1364/JOSAB.20.002125
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Abstract
We study cascaded microring resonator (CMRR) configurations as general nonlinear phase-shifting elements that exhibit enhanced nonlinear sensitivity and flattened transmission characteristics. We show that even when the material itself has large two-photon absorption, CMRR devices with five rings facilitate a factor-of-10 enhancement of the optical nonlinearity when compared with a channel waveguide having the same group delay. In addition, high throughput in intensity can be maintained up to a 3π phase shift.
© 2003 Optical Society of America
OCIS Codes
(190.3270) Nonlinear optics : Kerr effect
(190.4180) Nonlinear optics : Multiphoton processes
(190.4360) Nonlinear optics : Nonlinear optics, devices
Citation
Yan Chen and Steve Blair, "Nonlinear phase shift of cascaded microring resonators," J. Opt. Soc. Am. B 20, 2125-2132 (2003)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-20-10-2125
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