title: Generation and transmission of DPSK signals using a directly modulated passive feedback laser.
abstract: The generation of differential-phase-shift keying (DPSK) signals is demonstrated using a directly modulated passive feedback laser at 10.709-Gb/s, 14-Gb/s and 16-Gb/s. The quality of the DPSK signals is assessed using both noncoherent detection for a bit rate of 10.709-Gb/s and coherent detection with digital signal processing involving a look-up table pattern-dependent distortion compensator. Transmission over a passive link consisting of 100 km of single mode fiber at a bit rate of 10.709-Gb/s is achieved with a received optical power of -45 dBm at a bit-error-ratio of 3.8 × 10(-3) and a 49 dB loss margin.
authors.affiliation: Department of Electrical and Computer Engineering, Queen’s University, Kingston, Ontario, Canada. abdullah.karar@queensu.ca
authors.forename: Abdullah S
authors.initials: AS
authors.lastname: Karar
authors.forename: Ying
authors.initials: Y
authors.lastname: Gao
authors.forename: Kang Ping
authors.initials: KP
authors.lastname: Zhong
authors.forename: Jian Hong
authors.initials: JH
authors.lastname: Ke
authors.forename: John C
authors.initials: JC
authors.lastname: Cartledge