Title :
PPLN-based low-noise in-line phase sensitive amplifier with highly sensitive carrier-recovery system
Author :
Koji Enbutsu;Takeshi Umeki;Osamu Tadanaga;Hirokazu Takenouchi;Masaki Asobe
Author_Institution :
NTT Device Technology Laboratories, NTT Corporation Atsugi, Kanagawa Pref., Japan
Abstract :
A PPLN-based in-line phase sensitive amplifier with a highly sensitive carrier-recovery system based on two-stage SHG/DFG parametric conversion achieves multi-stage amplification with a low noise figure of 3 dB and a 20-dB gain.
Keywords :
"Noise measurement","Optical fiber amplifiers","Erbium-doped fiber amplifiers","Gain","Noise level","Signal to noise ratio"
Conference_Titel :
Communications (APCC), 2015 21st Asia-Pacific Conference on
DOI :
10.1109/APCC.2015.7412591
