Title :
Adaptive decision-aided maximum likelihood phase estimation in coherent optical DQPSK system
Author :
Zhang, Shaoliang ; Kam, Pooi Yuen ; Chen, Jian ; Yu, Changyuan
Author_Institution :
Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore
Abstract :
Adaptive decision-aided maximum likelihood phase estimation is proposed to obtain optimum performance in coherent optical DQPSK system, which recovers the carrier phase and mitigates the impact of laser linewidth and nonlinear phase noise.
Keywords :
maximum likelihood estimation; optical modulation; optical noise; optical receivers; phase modulation; phase noise; quadrature phase shift keying; adaptive DA ML receiver; adaptive decision-aided maximum likelihood phase estimation; coherent optical DQPSK system; laser linewidth impact; nonlinear phase noise; phase modulation system; Adaptive optics; Maximum likelihood estimation; Nonlinear optics; Optical filters; Optical noise; Optical receivers; Optical sensors; Optical signal processing; Phase estimation; Phase noise;
Conference_Titel :
Opto-Electronics and Communications Conference, 2008 and the 2008 Australian Conference on Optical Fibre Technology. OECC/ACOFT 2008. Joint conference of the
Conference_Location :
Sydney
Print_ISBN :
978-0-85825-807-5
Electronic_ISBN :
978-0-85825-807-5
DOI :
10.1109/OECCACOFT.2008.4610505
