Title :
Experimental study of photocurrent imbalance in a 42.7-Gb/s DPSK receiver under strong optical filtering
Author :
Agarwal, A. ; Chandrasekhar, S. ; Winzer, P.J.
Author_Institution :
Lucent Technol. Bell Labs., Holmdel, NJ, USA
Abstract :
We study the effect of optical filter concatenation on a 42.7-Gb/s, 67% duty cycle RZ-DPSK signal and show that system performance can be greatly improved when the balanced DPSK receiver is intentionally amplitude imbalanced.
Keywords :
differential phase shift keying; optical fibre communication; optical filters; optical receivers; photoconductivity; 42.7 Gbit/s; DPSK receiver; RZ-DPSK signal; amplitude imbalanced receiver; optical filter concatenation; photocurrent imbalance; strong optical filtering; Bandwidth; Differential quadrature phase shift keying; Optical add-drop multiplexers; Optical attenuators; Optical filters; Optical receivers; Optical sensors; Optical transmitters; Photoconductivity; Wavelength division multiplexing;
Conference_Titel :
Optical Fiber Communication Conference, 2005. Technical Digest. OFC/NFOEC
Print_ISBN :
1-55752-783-0
DOI :
10.1109/OFC.2005.193157
