Optical transmitter

Details Optical transmitter Optical transmitter

2003-08-27

2010-10-05

Li, Shi K (Department: 2613)

Optical communications

Transmitter

Having particular modulation

Reexamination Certificate

active

07809281

ABSTRACT:
A differential encoder generates a differentially encoded signal based on a data signal. An RZ (return to zero) encoder generates an electric RZ differential signal as an RZ signal in an electric area based on the differentially encoded signal. A Mach-Zehnder interferometer type intensity modulator generates an optical RZ-DSPK (differential phase shift keying) signal as an RZ signal in an optical area based on the electric RZ differential signal.

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