Title :
Digital signal processing for digital coherent self homodyne detection
Author :
Luis, Ruben S. ; Puttnam, B.J. ; Delgado Mendinueta, Jose Manuel ; Shinada, S. ; Nakamura, Mitsutoshi ; Kamio, Yukiyoshi ; Wada, N.
Author_Institution :
Nat. Inst. of Inf. & Commun. Technol., Tokyo, Japan
Abstract :
We demonstrate a novel coherent digital-self-homodyne detection scheme with 4/16/64-QAM signals. The proposed receiver is insensitive to laser linewidth, signal polarization state and modulation format. Resilience to fiber nonlinearities is also improved by 3.5dB.
Keywords :
homodyne detection; optical information processing; optical receivers; optical signal detection; quadrature amplitude modulation; QAM signals; digital coherent self homodyne detection; digital signal processing; fiber nonlinearities; laser linewidth; modulation format; receiver; signal polarization state; Band-pass filters; Digital signal processing; Optical noise; Phase noise; Phase shift keying; Receivers; Signal to noise ratio;
Conference_Titel :
Optical Fibre Technology, 2014 OptoElectronics and Communication Conference and Australian Conference on
Conference_Location :
Melbourne, VIC
