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Optical 8PSK Transmitter using Tandem IQ Modulators with Binary Driving Electrical Signals

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Abstract

We propose and demonstrate an optical 8-ary phase-shift keying (8PSK) transmitter using tandem in-phase/quadrature (IQ) modulators. A 30-Gb/s 8PSK is successfully generated through cascading a rectangular quadrature phase-shift keying (QPSK) and a square QPSK.

© 2011 Optical Society of America

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