Long-haul optical transmission link using low-noise phase-sensitive amplifiers

SLI Olsson, H Eliasson, E Astra, M Karlsson… - Nature …, 2018 - nature.com
The capacity and reach of long-haul fiber optical communication systems is limited by in-line
amplifier noise and fiber nonlinearities. Phase-sensitive amplifiers add 6 dB less noise than …

Fiber-based phase-sensitive optical amplifiers and their applications

PA Andrekson, M Karlsson - Advances in Optics and Photonics, 2020 - opg.optica.org
Optical parametric amplifiers rely on second-order susceptibility (three-wave mixing) or third-
order susceptibility (four-wave mixing) in a nonlinear process where the energy of incoming …

Impact of optical phase conjugation on the nonlinear Shannon limit

AD Ellis, MAZ Al Khateeb… - Journal of Lightwave …, 2016 - ieeexplore.ieee.org
Compensation of the detrimental impacts of nonlinearity on long-haul wavelength division
multiplexed system performance is discussed, and the difference between transmitter …

Cross-phase modulation mitigation in phase-sensitive amplifier links

K Vijayan, B Foo, M Karlsson… - IEEE Photonics …, 2019 - ieeexplore.ieee.org
We experimentally investigate a wavelength-division multiplexing (WDM) system with a
single span of 80 km standard single-mode fiber (SSMF) and a phase-sensitive amplifier …

Experimental study and application of response mask invariant characteristic for generalized visible light communication channel

F Wu, L Chen, S Cai, W Wang - IEEE Photonics Journal, 2018 - ieeexplore.ieee.org
In this paper, we describe a generalized visible light communication (VLC) channel, which
consists of the frequency responses of the light emitting diode (LED), the wireless optical …

Phase-sensitive amplifier link with distributed Raman amplification

H Eliasson, K Vijayan, B Foo, SLI Olsson, E Astra… - Optics …, 2018 - opg.optica.org
We demonstrate long-haul transmission using a hybrid amplifier approach combining
distributed Raman amplification and lumped phase-sensitive amplification. Aside from the …

Cross-phase modulation mitigation in WDM transmission systems using phase-sensitive amplifiers

K Vijayan, B Foo, H Eliasson… - … Conference on Optical …, 2018 - ieeexplore.ieee.org
We experimentally investigate a phase-sensitive amplifier (PSA) link in a WDM transmission
scenario, focusing on nonlinearity mitigation. We show that a PSA effectively mitigates both …

Dispersion management for nonlinearity mitigation in two-span 28 GBaud QPSK phase-sensitive amplifier links

E Astra, SLI Olsson, H Eliasson, PA Andrekson - Optics express, 2017 - opg.optica.org
We present an investigation of dispersion map optimization for two-span single-channel 28
GBaud QPSK transmission systems with phase-sensitive amplifiers (PSAs). In experiments …

Distributed nonlinear compensation using optoelectronic circuits

B Foo, B Corcoran, AJ Lowery - Journal of Lightwave …, 2017 - ieeexplore.ieee.org
This paper investigates the use of optoelectronic subsystems placed all the way along a
fiber link to provide distributed mitigation of the distortion caused by the Kerr nonlinearity …

Long-haul optical transmission of 16-QAM signal with in-line phase-sensitive amplifiers

SLI Olsson, M Karlsson… - … European Conference on …, 2017 - ieeexplore.ieee.org
We demonstrate transmission of a 10 GBd 16-QAM signal with low-noise in-line phase-
sensitive amplifiers in a recirculating loop experiment. A fourfold reach improvement is …