Nonlinear phase noise mitigation in phase-sensitive amplified transmission systems | Zendy

Samuel L. I. Olsson | Zendy; Magnus Karlsson | Zendy; Peter A. Andrekson | Zendy

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Nonlinear phase noise mitigation in phase-sensitive amplified transmission systems

Author(s) -

Samuel L. I. Olsson,

Magnus Karlsson,

Peter A. Andrekson

Publication year - 2015

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.011724

Subject(s) - phase noise , optics , phase shift keying , amplifier , transmission (telecommunications) , physics , noise (video) , bit error rate , transmitter , keying , optical amplifier , span (engineering) , quantum noise , quadrature amplitude modulation , sensitivity (control systems) , amplified spontaneous emission , electronic engineering , computer science , telecommunications , optoelectronics , engineering , laser , channel (broadcasting) , civil engineering , cmos , quantum mechanics , artificial intelligence , image (mathematics) , quantum

We investigate the impact of in-line amplifier noise in transmission systems amplified by two-mode phase-sensitive amplifiers (PSAs) and present the first experimental demonstration of nonlinear phase noise (NLPN) mitigation in a modulation format independent PSA-amplified transmission system. The NLPN mitigation capability is attributed to the correlated noise on the signal and idler waves at the input of the transmission span. We study a single-span system with noise loading in the transmitter but the results are expected to be applicable also in multi-span systems. The experimental investigation is supported by numerical simulations showing excellent agreement with the experiments. In addition to demonstrating NLPN mitigation we also present a record high sensitivity receiver, enabled by low-noise PSA-amplification, requiring only 4.1 photons per bit to obtain a bit error ratio (BER) of 1 × 10(-3) with 10 GBd quadrature phase-shift keying (QPSK) data.

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