Fiber-optic transmission of digital multilevel quadrature-amplitude-modulation (QAM) and analog AM-virtual-sideband (AM-VSB) television signals is a subject of intense interest in the telecommunication and CATV industries. This hybrid analog/digital video transmission system has the advantages of compatibility with the existing CATV network and channel capacity sufficient to meet anticipated future requirements for compressed digital video signals.

© 1994 Optical Society of America

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