Title :
Demonstration of 2.7-PPB receiver sensitivity using PDM-QPSK with 4-PPM and unrepeatered transmission over a single 370-km unamplified ultra-large-area fiber span
Author :
Liu, Xiang ; Chandrasekhar, S. ; Wood, T.H. ; Tkach, R.W. ; Burrows, E.C. ; Winzer, P.J.
Author_Institution :
Bell Labs., Alcatel-Lucent, Holmdel, NJ, USA
Abstract :
We demonstrate a record receiver sensitivity of 2.7 photons per bit at 6.23-Gb/s net data rate using PDM-QPSK with 4-ary-pulse-position-modulation. This signal is transmitted over a 370-km unrepeatered ultra-large-area-fiber span with 71.7-dB total loss budget.
Keywords :
optical fibre communication; optical fibre polarisation; optical receivers; quadrature phase shift keying; PDM; PPB receiver sensitivity; PPM; QPSK; bit rate 6.23 Gbit/s; distance 370 km; optical signal transmission; pulse position modulation; unrepeatered transmission; unrepeatered ultra large area fiber span; Optical attenuators; Optical filters; Optical polarization; Optical receivers; Optical transmitters; Sensitivity;
Conference_Titel :
Optical Communication (ECOC), 2011 37th European Conference and Exhibition on
Conference_Location :
Geneva
Print_ISBN :
978-1-4577-1918-9
