PDM-QPSK WDM Signal Amplification Using PPLN-Based Polarization-Independent In-Line Phase-Sensitive Amplifier

Conference: ECOC 2016 - 42nd European Conference on Optical Communication
09/18/2016 - 09/22/2016 at Düsseldorf, Deutschland

Proceedings: ECOC 2016

Pages: 3Language: englishTyp: PDF

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Authors:
Abe, Masashi; Kazama, Takushi; Enbutsu, Koji (NTT Device Technology Laboratories, NTT Corporation, Atsugi-shi, Kanagawa 243-0198, Japan)
Umeki, Takeshi; Takenouchi, Hirokazu (NTT Device Technology Laboratories, NTT Corporation, Atsugi-shi, Kanagawa 243-0198, Japan & NTT Network Innovation Laboratories, NTT Corporation, Yokosuka, Kanagawa 239-0847, Japan)
Miyamoto, Yutaka (NTT Network Innovation Laboratories, NTT Corporation, Yokosuka, Kanagawa 239-0847, Japan)

Abstract:
We demonstrate the in-line phase-sensitive amplification of PDM-QPSK WDM signals. The amplifier consists of PPLN waveguides and has a net gain of 12 dB. These signals are transmitted over 80 km by recovering the pilot tone.