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Conferences > OFC > 1994 > ThH > ThH4

Comparison of a new GaAs MMIC quadrature demodulator and a delay-line demodulator in a high-sensitivity 2.5-Gbit/s coherent heterodyne optical receiver

A. K. Petersen and F. Ebskamp

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Abstract

In order for CPFSK optical receivers to find operational application in the future, a high degree of monolithic integration is required. One of the most critical components in a CPFSK receiver is the i.f. demodulator, which must have a high input sensitivity, unambiguous frequency selectivity, and wide dynamic range. We therefore present two GaAs monolithic demodulators for a 2.5-Gbit/s heterodyne optical CPFSK receiver with an i.f. range of 7–13 GHz.

© 1994 Optical Society of America

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