Title :
A comparison of modulation formats for passive optical networks
Author :
Lavery, Domaniç ; Behrens, Carsten ; Savory, Seb J.
Author_Institution :
Opt. Networks Group, UCL Electron. & Electr. Eng., London, UK
Abstract :
The sensitivity of polarization-switched QPSK (PS-QPSK) is compared to polarization-division-multiplexed QPSK (PDM-QPSK) and BPSK (PDM-BPSK) at a constant bitrate (12.5 Gbit/s). PS-QPSK is found to achieve the theoretical sensitivity advantage of 1.76 dB over PDM-BPSK.
Keywords :
optical fibre networks; optical modulation; quadrature phase shift keying; PDM-BPSK; PDM-QPSK; PS-QPSK; bit rate 12.5 Gbit/s; modulation formats; passive optical networks; polarization-division-multiplexed QPSK; polarization-switched QPSK; sensitivity; Bit error rate; Optical receivers; Optical sensors; Phase shift keying; Sensitivity;
Conference_Titel :
Optical Communication (ECOC), 2011 37th European Conference and Exhibition on
Conference_Location :
Geneva
Print_ISBN :
978-1-4577-1918-9
