Time-division hybrid modulation formats: Tx operation strategies and countermeasures to nonlinear propagation

V Curri, A Carena, P Poggiolini, R Cigliutti… - OFC …, 2014 - ieeexplore.ieee.org
We propose four strategies for TDHMF Tx operation. BER minimization permits PM-
QPSK/PM-16QAM performance similar to PM-8QAM's. In TDHMF nonlinear propagation …

High speed all optical Nyquist signal generation and full-band coherent detection

J Zhang, J Yu, Y Fang, N Chi - Scientific reports, 2014 - nature.com
Spectrum efficient data transmission is of key interest for high capacity optical
communication systems considering the limited available bandwidth. Transmission of the …

112 Gb/s transmission over 80 km SSMF using PDM-PAM4 and coherent detection without optical amplifier

X Zhou, K Zhong, J Huo, L Gao, Y Wang, L Wang… - Optics express, 2016 - opg.optica.org
Polarization-division-multiplexed (PDM) four-level pulse amplitude modulation (PAM4) with
coherent detection is a promising low cost solution for 80 km inter-datacenter transmissions …

Demonstration of 352 Gbit/s photonically-enabled D-band wireless delivery in one 2× 2 MIMO system

R Puerta, J Yu, X Li, Y Xu, JJV Olmos… - Optical Fiber …, 2017 - opg.optica.org
Demonstration of 352 Gbit/s Photonically-enabled D-Band Wireless Delivery in one 2x2 MIMO
System Page 1 Tu3B.3.pdf OFC 2017 © OSA 2017 Demonstration of 352 Gbit/s …

Approaching terabits per carrier metro-regional transmission using beyond-100GBd coherent optics with probabilistically shaped DP-64QAM modulation

HC Chien, J Yu, Y Cai, B Zhu, X Xiao… - Journal of Lightwave …, 2019 - ieeexplore.ieee.org
This research work proposed and experimentally demonstrated beyond-100GBd
probabilistically shaped coherent optics that support the transmission of a~ 1.2 Tbps coded …

High capacity submarine transmission systems

A Pilipetskii - 2015 Optical Fiber Communications Conference …, 2015 - ieeexplore.ieee.org
· Coherent technology unlocked capacity of undersea systems· Increased several times the
capacity of the legacy systems· Brought to life new generation of dispersion uncompensated …

8× 506-Gb/s 16QAM WDM signal coherent transmission over 6000-km enabled by PS and HB-CDM

J Yu, K Wang, J Zhang, B Zhu, S Dzioba… - Optical Fiber …, 2018 - opg.optica.org
We experimentally demonstrate 506-Gb/s/channel (66.125-Gbaud/channel) eight-channel
WDM probabilistically-shaped 16QAM signal coherent transmission using high-bandwidth …

On the mitigation of RIN transfer and transmission performance improvement in bidirectional distributed Raman amplifiers

MA Iqbal, M Tan, P Harper - Journal of Lightwave Technology, 2018 - ieeexplore.ieee.org
We develop a novel broadband first-order Raman pump for use as a forward pump in
transmission experiments. Our results show significant signal relative intensity noise (RIN) …

Generation and Heterodyne Detection of >100-Gb/s -Band PDM-64QAM mm-Wave Signal

X Li, J Yu - IEEE Photonics Technology Letters, 2016 - ieeexplore.ieee.org
We experimentally demonstrate a hardwareand spectral-efficient large-capacity single-
carrier radio-overfiber system at Q-band (33-50 GHz), employing high-level polarization …

Extended Kalman filter vs. geometrical approach for Stokes space-based polarization demultiplexing

NJ Muga, AN Pinto - Journal of Lightwave Technology, 2015 - ieeexplore.ieee.org
By deriving the physical model of the system, which includes definitions of both state
variables and measurement equations, we apply an extended Kalman filter to Stokes space …