Title :
Digital pulse shaping to mitigate linear crosstalk in Nyquist-spaced 16QAM WDM transmission systems
Author :
Maher, Robert ; Sato, Mitsuhisa ; Tianhua Xu ; Galdino, Lidia ; Kilmurray, Sean ; Savory, Seb ; Thomsen, Benn ; Killey, Robert ; Bayvel, Polina
Author_Institution :
Opt. Networks Group, Univ. Coll. London, London, UK
Abstract :
We demonstrate that a 128-tap RRC filter with 1% rolloff factor is sufficient to limit linear crosstalk induced OSNR penalty to <;1dB in a Nyquist-spaced DP-16QAM WDM transmission system with a net ISD of 6.66b/s/Hz.
Keywords :
RC circuits; optical crosstalk; optical filters; optical information processing; optical pulse shaping; quadrature amplitude modulation; wavelength division multiplexing; 128-tap RRC filter; Nyquist-spaced 16QAM WDM transmission systems; OSNR penalty; digital pulse shaping; linear crosstalk; net information spectral density; roll-off factor; Crosstalk; Finite impulse response filters; Optical filters; Optical transmitters; Signal to noise ratio; Wavelength division multiplexing;
Conference_Titel :
Optical Fibre Technology, 2014 OptoElectronics and Communication Conference and Australian Conference on
Conference_Location :
Melbourne, VIC
