Title :
Interferometer based in-band OSNR monitoring of single and dual polarisation QPSK signals
Author :
Flood, E. ; Guo, W.H. ; Reid, D. ; Lynch, M. ; Bradley, A.L. ; Barry, L.P. ; Donegan, J.F.
Author_Institution :
Semicond. Photonics Group, Trinity Coll., Dublin, Ireland
Abstract :
The in-band OSNR of SP and DP QPSK signals were measured over a range of 10 to 21dB ±1dB using a pair of polarisation independent Michelson fibre interferometers without the requirement for prior knowledge of the signal´s coherence properties.
Keywords :
interferometers; optical communication; polarisation; quadrature phase shift keying; DP QPSK signals; SP QPSK signals; dual polarisation QPSK signals; interferometer based in-band OSNR monitoring; polarisation independent Michelson fibre interferometers; Delay; Optical fibers; Optical interferometry; Optical noise; Optical variables measurement; Signal to noise ratio;
Conference_Titel :
Optical Communication (ECOC), 2010 36th European Conference and Exhibition on
Conference_Location :
Torino
Print_ISBN :
978-1-4244-8536-9
Electronic_ISBN :
978-1-4244-8534-5
DOI :
10.1109/ECOC.2010.5621549
