Simplified coherent receiver with heterodyne detection of eight-channel 50 Gb/s PDM-QPSK WDM signal after 1040 km SMF-28 transmission
We propose and experimentally demonstrate a simplified coherent receiver based on
heterodyne detection with only two balanced photodetectors and two analog-to-digital …
heterodyne detection with only two balanced photodetectors and two analog-to-digital …
400G WDM transmission on the 50 GHz grid for future optical networks
X Zhou, LE Nelson - Journal of Lightwave Technology, 2012 - ieeexplore.ieee.org
We review the recent technology advancements related to the transmission of 400Gb/s,
wavelength-division-multiplexed channels for optical networks based on the standard 50 …
wavelength-division-multiplexed channels for optical networks based on the standard 50 …
6144-Gb/s Nyquist-WDM PDM-64QAM Generation and Transmission on a 12-GHz WDM Grid Equipped With Nyquist-Band Pre-Equalization
The Nyquist wavelength-division-multiplexing technique (N-WDM) enables a solution to
achieve high spectral efficiency (SE) in long-haul transmission systems. Compared to …
achieve high spectral efficiency (SE) in long-haul transmission systems. Compared to …
6128-Gb/s Nyquist-WDM PDM-16QAM Generation and Transmission Over 1200-km SMF-28 With SE of 7.47 b/s/Hz
The Nyquist wavelength-division multiplexing technique enable a solution to achieve high
spectral efficiency in long-haul transmission system. Compare to polarization division …
spectral efficiency in long-haul transmission system. Compare to polarization division …
Nonlinear mitigation using carrier phase estimation and digital backward propagation in coherent QAM transmission
CY Lin, R Asif, M Holtmannspoetter, B Schmauss - Optics Express, 2012 - opg.optica.org
We investigate the performance of carrier phase estimation (CPE) and digital backward
propagation (DBP) in compensating fiber nonlinearity for 224Gbps polarization-multiplexed …
propagation (DBP) in compensating fiber nonlinearity for 224Gbps polarization-multiplexed …
Frequency offset estimation for optical coherent M-QAM detection using chirp z-transform
H Leng, S Yu, X Li, M Lan, P Liao… - IEEE Photonics …, 2012 - ieeexplore.ieee.org
The chirp z-Transform (CZT) is introduced to replace the traditional gradient descent (GD) in
frequency offset estimation for digital coherent quadrature amplitude modulation reception …
frequency offset estimation for digital coherent quadrature amplitude modulation reception …
Optical hexadecimal coding/decoding using 16-QAM signal and FWM in HNLFs
J Wang, JY Yang, X Wu… - Journal of lightwave …, 2012 - ieeexplore.ieee.org
We propose a simple approach to manipulating the constellation of a multilevel modulation
signal in the optical domain. By exploiting degenerate four-wave mixing (FWM) in highly …
signal in the optical domain. By exploiting degenerate four-wave mixing (FWM) in highly …
Advanced modulation techniques for high-performance computing optical interconnects
We experimentally assess the performance of a 64× 64 optical switch fabric used for ns-
speed optical cell switching in supercomputer optical interconnects. More specifically, we …
speed optical cell switching in supercomputer optical interconnects. More specifically, we …
星形16-QAM 高速光信号生成方案研究
赵晓欧， 王目光 - 光通信技术, 2012 - cqvip.com
介绍了星形16-QAM 高速光信号不同生成方案的结构和原理, 并对几种方案的优缺点进行了对比
分析. 提出了一种基于双电极驱动马赫一曾德尔调制器(Dual electrical Mach-zehnder …
分析. 提出了一种基于双电极驱动马赫一曾德尔调制器(Dual electrical Mach-zehnder …
Applications of semiconductor optical amplifiers
RP Webb, JM Dailey… - 2012 17th Opto-Electronics …, 2012 - ieeexplore.ieee.org
Applications of semiconductor optical amplifiers Page 1 SOA 2 SOA 1 QPSK Input (1562 nm
) Bandpass Filter (1562 nm ) Holding Beam (1555 nm ) 8PSK Output Phase Bias ϕ OOK …
) Bandpass Filter (1562 nm ) Holding Beam (1555 nm ) 8PSK Output Phase Bias ϕ OOK …