Performance assessment of an integrated optical image-rejection chip within a 622-Mbit/s CPFSK link

R. Cush; N. Wood; P. T. Johnson; P. J. Duthie; C. Park; B. T. Debney

doi:10.1364/OFC.1993.ThH4

Conference on Optical Fiber Communication/International Conference on Integrated Optics and Optical Fiber Communication
1993 OSA Technical Digest Series (Optica Publishing Group, 1993),
paper ThH4
•https://doi.org/10.1364/OFC.1993.ThH4

Performance assessment of an integrated optical image-rejection chip within a 622-Mbit/s CPFSK link

R. Cush, N. Wood, P. T. Johnson, P. J. Duthie, C. Park, and B. T. Debney

Optical Fiber Communication Conference 1993

San Jose, California United States
ISBN: 1-55752-282-0

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Coherent Systems (ThH)

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R. Cush, N. Wood, P. T. Johnson, P. J. Duthie, C. Park, and B. T. Debney, "Performance assessment of an integrated optical image-rejection chip within a 622-Mbit/s CPFSK link," in Conference on Optical Fiber Communication/International Conference on Integrated Optics and Optical Fiber Communication, Vol. 4 of 1993 OSA Technical Digest Series (Optica Publishing Group, 1993), paper ThH4.

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Abstract

The maximum channel density achievable in coherent optical heterodyne systems is restricted by the inability to discriminate between the desired signal, f_LO + f_IF at the IF frequency away from the frequency of a local-oscillator (LO) laser, and the unwanted image signal, f_LO − f_IF The tuning range of available LO lasers is limited, and so for applications requiring large channel numbers it is essential that maximum packing density be obtained. Image rejection permits the minimum channel spacing to be realized by separating the real and image signals.

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