Coherent access: A review
In this paper, we will address the benefits of the coherent detection in future optical access
networks. The scarcity of the optical spectrum, the required flexibility, and constant evolution …
networks. The scarcity of the optical spectrum, the required flexibility, and constant evolution …
Digital signal processing for coherent transceivers employing multilevel formats
Digital coherent transceivers have revolutionized optical fiber communications due to their
superior performance offered compared to intensity modulation and direct detection based …
superior performance offered compared to intensity modulation and direct detection based …
Efficient clock and carrier recovery algorithms for single-carrier coherent optical systems: A systematic review on challenges and recent progress
X Zhou - IEEE Signal Processing Magazine, 2014 - ieeexplore.ieee.org
Efficient Clock and Carrier Recovery Algorithms for Single-Carrier Coherent Optical Systems:
A systematic review on challenges a Page 1 1053-5888/14/$31.00©2014IEEE IEEE …
A systematic review on challenges a Page 1 1053-5888/14/$31.00©2014IEEE IEEE …
Advanced DSP enabled C-band 112 Gbit/s/λ PAM-4 transmissions with severe bandwidth-constraint
The performance of high-speed intensity modulation direct detection (IM-DD) transmissions
is severely degraded by the linear inter-symbol interference (ISI), due to both bandwidth …
is severely degraded by the linear inter-symbol interference (ISI), due to both bandwidth …
Carrier recovery for M-QAM signals based on a block estimation process with Kalman filter
A novel carrier recovery scheme for demodulating optical M-ary quadrature amplitude
modulation (M-QAM) signals is proposed and demonstrated. The proposed scheme treats a …
modulation (M-QAM) signals is proposed and demonstrated. The proposed scheme treats a …
Pulse-shaping with digital, electrical, and optical filters—a comparison
R Schmogrow, S Ben-Ezra, PC Schindler… - Journal of lightwave …, 2013 - opg.optica.org
We investigate the performance of sinc-shaped QPSK signal pulses generated in the digital,
electrical, and optical domains. To this end an advanced transmitter with a digital pulse …
electrical, and optical domains. To this end an advanced transmitter with a digital pulse …
Coherent Nyquist UDWDM-PON with digital signal processing in real time
RM Ferreira, JD Reis, SM Rossi, SB Amado… - Journal of Lightwave …, 2016 - opg.optica.org
Nyquist shaping UDWDM-PON combined with digital coherent optical systems has been
recently proposed as a promising technology for future optical access networks. In this …
recently proposed as a promising technology for future optical access networks. In this …
Advanced DSP for 400 Gb/s and beyond optical networks
X Zhou, L Nelson - Journal of lightwave technology, 2014 - opg.optica.org
This paper presents a systematic review of several digital signal processing (DSP)-enabled
technologies recently proposed and demonstrated for high spectral efficiency (SE) 400 Gb/s …
technologies recently proposed and demonstrated for high spectral efficiency (SE) 400 Gb/s …
Optimization of DP-M-QAM transmitter using cooperative coevolutionary genetic algorithm
We present a method for joint optimization of transmitter in-phase, quadrature and
interpolarization time skew, amplitude mismatch, and bias voltages. The method is based on …
interpolarization time skew, amplitude mismatch, and bias voltages. The method is based on …
LDA* a robust and large-scale topic modeling system
We present LDA*, a system that has been deployed in one of the largest Internet companies
to fulfil their requirements of" topic modeling as an internal service"---relying on thousands of …
to fulfil their requirements of" topic modeling as an internal service"---relying on thousands of …