Study of chromatic dispersion ripples in birefringent crystal-based optical interleavers

Wang, Shuping; Lu, Yanqing; Wong, Charles

doi:10.1117/12.691411

Cited by 2 publications

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“…It seriously affects the performance of the optical network systems [5]. Different CD compensation techniques were proposed [5], [6] and [12]. In these techniques additional components are needed in order to compensate or minimize the CD effects.…”

Section: Introductionmentioning

confidence: 99%

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Chromatic dispersion analysis and partially compensation for tunable liquid crystal optical interleaver

2011

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Flattop liquid crystal tunable optical interleavers have shown a great potential to perform in the DWDM systems. In this paper, chromatic dispersion analyses are conducted for a flattop liquid crystal tunable optical interleaver based on Combined Michelson and Gires-Tournois interferometers. In order to try to reduce the dispersion associated with the interleaver's operation, tuning capability of the liquid crystal is used to tune the chromatic dispersion spectrum. Simulation results show a 66.5% reduction in the chromatic dispersion for the simulated interleaver configuration when compared to the air filled cavities in the interleaver. This reduction is achieved without any additional components or design modifications but only with the tuning capability of the liquid crystal. Moreover, the chromatic dispersion spectrum can be tuned. This provides more freedom for designers to try to minimize the chromatic dispersion effects on the system performance.

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Section: Introductionmentioning

confidence: 99%

“…The chromatic dispersion (CD) is recognized as one of the key performance limiting factors [12]. Chromatic dispersion can be defined as a deviation in the speed of light (group velocity) according to the wavelength.…”

Section: Introductionmentioning

confidence: 99%