Compensation for in-phase/quadrature imbalance in coherent-receiver front end for optical quadrature amplitude modulation
We propose a novel method of compensation for imbalance between in-phase (I) and
quadrature (Q) channels in the front-end circuit of digital coherent optical receivers. Adaptive …
quadrature (Q) channels in the front-end circuit of digital coherent optical receivers. Adaptive …
Data-based quadrature imbalance compensation for a CW Doppler radar system
A method for quadrature imbalance compensation in direct-conversion quadrature Doppler
radar systems, based on data obtained using a mechanical target and an ellipse fit method …
radar systems, based on data obtained using a mechanical target and an ellipse fit method …
Spectral efficiency-adaptive optical transmission using time domain hybrid QAM for agile optical networks
We report the transmission of time domain hybrid QAM (TDHQ) signals for agile optical
networks. A continuous tradeoff between spectral efficiency and achievable distance by …
networks. A continuous tradeoff between spectral efficiency and achievable distance by …
Transmission of high-baud PDM-64QAM signals
In this paper we demonstrate high-baud generation and transmission of PDM-64QAM
signals. The 64QAM signal is generated using one single in-phase/quadrature (I/Q) …
signals. The 64QAM signal is generated using one single in-phase/quadrature (I/Q) …
Digital coherent optical access networks
SJ Savory - 2013 IEEE Photonics Conference, 2013 - ieeexplore.ieee.org
Digital coherent optical access networks Page 1 1 Digital Coherent Optical Access
Networks Seb J. Savory, Senior Member, IEEE Abstract—Digital coherent transceivers are …
Networks Seb J. Savory, Senior Member, IEEE Abstract—Digital coherent transceivers are …
Novel training symbol structure for transmitter IQ mismatch compensation for coherent optical OFDM
X Ma, K Li, Y Bai - IEEE Photonics Technology Letters, 2013 - ieeexplore.ieee.org
The conventional compensation methods exist estimation error because of the sequential
estimation process using pilot or training symbols for transmitter in-phase and quadrature …
estimation process using pilot or training symbols for transmitter in-phase and quadrature …
Colorless monolithically integrated 120 downconverter
PJ Reyes-Iglesias, A Ortega-Moñux… - Optics express, 2013 - opg.optica.org
We numerically demonstrate colorless reception of dense wavelength division multiplexed
channels in the C-band for high-order QAM (16-64 QAM) signals on a 120° monolithically …
channels in the C-band for high-order QAM (16-64 QAM) signals on a 120° monolithically …
Implication of parameter values on low-pass filter assisted digital back propagation for DP 16-QAM
The low-pass filter (LPF) assisted digital back propagation (DBP) algorithm is investigated
for 112 Gb/s dual-polarization 16-ary quadrature-amplitude-modulation transmission up to …
for 112 Gb/s dual-polarization 16-ary quadrature-amplitude-modulation transmission up to …
Manufacturing Tolerance Analysis of an MMI-Based 90 Optical Hybrid for InP Integrated Coherent Receivers
JS Fandino, P Munoz - IEEE Photonics Journal, 2013 - ieeexplore.ieee.org
A numerical study of the impact that manufacturing tolerances have on the performance of
an InP 4× 4 MMI working as a 90° optical hybrid is presented, including simultaneous …
an InP 4× 4 MMI working as a 90° optical hybrid is presented, including simultaneous …
[PDF][PDF] 基于线性相位插值的增强型载波相位估计算法
钟康平， 李唐军， 孙剑， 贾楠， 王目光 - Acta Optica Sinica, 2013 - researching.cn
摘要提出一种基于线性相位插值(LPI) 的增强型载波相位估计(CPE) 算法, 并对其在112Gb/s
偏振复用16 进制正交幅度调制(DP 16QAM) 系统中的性能进行了仿真和实验研究 …
偏振复用16 进制正交幅度调制(DP 16QAM) 系统中的性能进行了仿真和实验研究 …