Title :
Auto bias control technique for QPSK modulator with asymmetric bias dithering
Author :
Kawakami, Hiroto ; Yoshida, Eiji ; Miyamoto, Yutaka
Author_Institution :
NTT Network Innovation Labs., NTT Corp., Yokosuka, Japan
Abstract :
A simple and highly sensitive bias control technique based on asymmetric bias dithering is presented for optical quadrature phase shift keying (QPSK) modulators. The penalty induced by this method is shown to be 0.2 dB.
Keywords :
optical communication; optical modulation; optical phase shifters; quadrature phase shift keying; OQPSK modulator; asymmetric bias dithering; auto bias control technique; optical quadrature phase shift keying; Amplifiers; Monitoring; Optical modulation; Optical sensors; Phase shift keying;
Conference_Titel :
OptoElectronics and Communications Conference (OECC), 2010 15th
Conference_Location :
Sapporo
Print_ISBN :
978-1-4244-6785-3
