Long-haul optical transmission link using low-noise phase-sensitive amplifiers
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 …
amplifier noise and fiber nonlinearities. Phase-sensitive amplifiers add 6 dB less noise than …
Scalable WDM phase regeneration in a single phase-sensitive amplifier through optical time lenses
Optical data regeneration is attractive, due to its potential to increase transmission reach and
data throughput in communication systems, and several interesting proposals have been …
data throughput in communication systems, and several interesting proposals have been …
QPSK-to-2× BPSK wavelength and modulation format conversion through phase-sensitive four-wave mixing in a highly nonlinear optical fiber
A phase-sensitive four-wave mixing (FWM) scheme enabling the simultaneous conversion
of the two orthogonal quadratures of an optical signal to different wavelengths is …
of the two orthogonal quadratures of an optical signal to different wavelengths is …
Simultaneous QPSK-to- BPSK Wavelength and Modulation Format Conversion in PPLN
Phase-sensitive cascaded second-harmonic generation and difference-frequency
generation in a periodically poled lithium niobate waveguide allow converting two …
generation in a periodically poled lithium niobate waveguide allow converting two …
Quadrature demultiplexing using a degenerate vector parametric amplifier
We report on quadrature demultiplexing of a quadrature phase-shift keying (QPSK) signal
into two cross-polarized binary phase-shift keying (BPSK) signals with negligible penalty at …
into two cross-polarized binary phase-shift keying (BPSK) signals with negligible penalty at …
Phase regeneration for polarization-division multiplexed signals based on vector dual-pump nondegenerate phase sensitive amplification
The polarization-division multiplexing (PDM) technology is a practical method to double the
transmission capacity, and the corresponding phase regeneration (PR) for PDM signals is …
transmission capacity, and the corresponding phase regeneration (PR) for PDM signals is …
Investigating the performance and suitability of neural network architectures for nonlinearity mitigation of optical signals
We compare three different neural network architectures for nonlinearity mitigation of 32
GBd OOK and QPSK signals after transmission over a dispersion-compensated link of 10 …
GBd OOK and QPSK signals after transmission over a dispersion-compensated link of 10 …
Enhanced multi-level phase quantizer for the optical processing of M-PSK signals
This paper presents a novel multi-level phase quantizer with the potential of almost ideal
step like transfer function. Its operation relies on the proper combination of phase sensitive …
step like transfer function. Its operation relies on the proper combination of phase sensitive …
Performance evaluation of a silicon waveguide for phase regeneration of a QPSK signal
E Liebig, I Sackey, T Richter, A Gajda… - Journal of Lightwave …, 2017 - opg.optica.org
In this paper a silicon-on-insulator nanorib waveguide with reverse-biased pin-junction is
used to experimentally demonstrate phase-sensitive amplification based on four-wave …
used to experimentally demonstrate phase-sensitive amplification based on four-wave …
A novel phase-locking-free phase sensitive amplifier-based regenerator
NK Kjøller, K Meldgaard Røge, P Guan… - Journal of Lightwave …, 2016 - opg.optica.org
We propose a scheme for phase regeneration of optical binary phase-shift keying (BPSK)
data signals based on phase sensitive amplification without active phase locking. A delay …
data signals based on phase sensitive amplification without active phase locking. A delay …