Title :
Optical carrier extraction from carrier-less QPSK signals
Author :
Matsumoto, Morio ; Nishimura, Ryota
Author_Institution :
Fac. of Syst. Eng., Wakayama Univ., Wakayama, Japan
Abstract :
Optical carrier recovery from carrier-suppressed QPSK signals is demonstrated. The scheme consists of homodyne detection, modulation stripping by an electro-optic modulator, and injection locking of a laser diode, which are carried out in a feedback loop.
Keywords :
electro-optical modulation; homodyne detection; laser feedback; optical communication; optical information processing; optical signal detection; quadrature phase shift keying; semiconductor lasers; carrier-less QPSK signals; carrier-suppressed QPSK signals; electro-optic modulator; feedback loop; homodyne detection; laser diode injection locking; modulation stripping; optical carrier extraction; optical carrier recovery; Optical amplifiers; Optical fibers; Optical filters; Optical modulation; Phase shift keying;
Conference_Titel :
Photonics Society Summer Topical Meeting Series, 2014 IEEE
Conference_Location :
Montreal, QC
Print_ISBN :
978-1-4799-2766-1
DOI :
10.1109/SUM.2014.52
