Title :
Phase-sensitive amplified DWDM DQPSK signals using free-running Lasers with 6-dB link SNR improvement over EDFA-based systems
Author :
Tong, Zhi ; Lundström, Carl ; Tipsuwannakul, Ekawit ; Karlsson, Magnus ; Andrekson, Peter A.
Author_Institution :
Dept. of Microtechnol. & Nanosci., Chalmers Univ. of Technol., Gothenburg, Sweden
Abstract :
For the first time, we experimentally demonstrate a modulation-format independent, WDM-compatible link concept with up to 6-dB SNR advantage over conventional EDFA amplified links, by using a frequency-non-degenerate copier and phase-sensitive fiber amplifier based design.
Keywords :
optical fibre amplifiers; quadrature phase shift keying; wavelength division multiplexing; DQPSK; DWDM; EDFA amplified link; SNR improvement; free-running lasers; frequency-nondegenerate copier; modulation-format independent; phase-sensitive fiber amplifier based design; Erbium-doped fiber amplifier; Gain; Noise measurement; Optical fiber amplifiers; Optical filters; Signal to noise ratio; Wavelength division multiplexing;
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.2010.5621349
