Optical remodulator that remodulates modulated optical signal and optical remodulation method

T Hoshida - US Patent 9,882,642, 2018 - Google Patents
An optical remodulator includes: a polarization diversity modulator configured to modulate
an input optical signal to generate an output optical signal by using a first optical modulator …

Tunable optical multicasting of PDM-OFDM signals by novel polarization-interleaved multi-pump FWM scheme

P Zhu, J Li, Y Chen, P Zhou, Z Chen, Y He - Optics express, 2016 - opg.optica.org
Optical multicasting that supports point-to-multipoint traffic replication can be one of the
necessary techniques in next-generation all-optical elastic networks. In this paper, we …

Nonlinear polarization crosstalk canceled wavelength conversion for Pol-Mux OFDM signal with polarization-diversity FWM

H Zhou, Z Deng, W Li, C Fei, M Chen - Optics Express, 2023 - opg.optica.org
We present a model that is capable of describing the polarization crosstalk in terms of
nonlinear polarization rotation (NPR) of semiconductor optical amplifier (SOA) in wavelength …

Investigation and system implementation of flexible bandwidth switching for a software-defined space information network

B Wu, H Yin, A Liu, C Liu, F Xing - IEEE Photonics Journal, 2017 - ieeexplore.ieee.org
This paper proposes and experimentally demonstrates a hybrid switching system that
provides flexible bandwidth allocation for future laser and microwave space information …

Optical channel defragmentation technology for flexible optical networks

S Shimizu, G Cincotti, N Wada - 2015 17th International …, 2015 - ieeexplore.ieee.org
For an effective use of the limited spectral resources, optical channel defragmentation is one
of the important technologies, where the fragmented optical channels are consolidated to …

All-optical Nyquist-OTDM to Nyquist-WDM conversion for highly flexible optical networks

S Shimizu, G Cincotti, N Wada - 2016 Optical Fiber …, 2016 - ieeexplore.ieee.org
All-optical Nyquist-OTDM to Nyquist-WDM conversion for highly flexible optical networks Page
1 W3D.1.pdf OFC 2016 © OSA 2016 All-Optical Nyquist-OTDM to Nyquist-WDM conversion for …

All-optical Nyquist-OTDM to Nyquist-WDM conversion for high-granular flexible optical networks

S Shimizu, G Cincotti, N Wada - Optics Express, 2017 - opg.optica.org
We have proposed and experimentally demonstrated all-optical multiplexing (MUX)-format
conversion from Nyquist optical time division multiplex (OTDM) to Nyquist wavelength …

Cascadability Investigation of High Granular Optical Channel Defragmentation Node for Flexible Optical Networks

S Shimizu, G Cincotti, N Wada - ECOC 2016; 42nd European …, 2016 - ieeexplore.ieee.org
Two different node configurations are testes: no-guard-interval (No-GI) and inter-band guard-
interval (IB-GI) configuration. The bit-error-rate of No-GI exceeds 10 (exp-3) after 8-hop …