Impact of quadrature imbalance in optical coherent QPSK receiver
SH Chang, HS Chung, K Kim - IEEE Photonics Technology …, 2009 - ieeexplore.ieee.org
In this letter, we present the impact of quadrature imbalance in an optical coherent
quadrature phase-shift-keying (QPSK) receiver. Arbitrary conjugate misalignment was …
quadrature phase-shift-keying (QPSK) receiver. Arbitrary conjugate misalignment was …
Transmission of 32-tb/s capacity over 580 km using rz-shaped pdm-8qam modulation format and cascaded multimodulus blind equalization algorithm
In this paper, we propose a novel synthesizing method for high-speed 8-ary quadratic-
amplitude modulation (QAM) optical signal generation using commercial optical modulators …
amplitude modulation (QAM) optical signal generation using commercial optical modulators …
Quadrature imbalance compensation for PDM QPSK coherent optical systems
CS Petrou, A Vgenis, I Roudas… - IEEE Photonics …, 2009 - ieeexplore.ieee.org
In this letter, we study the impact of quadrature imbalance (QI) on the performance of optical
communications systems using polarization-division-multiplexed (PDM) quadrature phase …
communications systems using polarization-division-multiplexed (PDM) quadrature phase …
New robust coil sensors for near field characterization
B Vincent, O Chadebec, JL Schanen… - Journal of Microwaves …, 2009 - hal.science
This work introduces a new generation of magnetic field sensors, based on the spherical
harmonic decomposition concept. The measurement principle is similar to a spatial filtering …
harmonic decomposition concept. The measurement principle is similar to a spatial filtering …
Quadrature imbalance compensation algorithms for coherent PDM QPSK systems
CS Petrou, A Vgenis, I Roudas… - 2009 IEEE LEOS Annual …, 2009 - ieeexplore.ieee.org
We compare three quadrature imbalance compensation algorithms for coherent PDM-QPSK
systems, including a novel, blind, adaptive equalizer. We show that dedicated quadrature …
systems, including a novel, blind, adaptive equalizer. We show that dedicated quadrature …
ADC bandwidth optimization in coherent optical polarization multiplexing quadrature phase-shift keying system
Numerical simulations were conducted to study the performance of a 112Gbit/s coherent
polarization multiplexing (PolMux) quadrature phase-shift keying (QPSK) system. We …
polarization multiplexing (PolMux) quadrature phase-shift keying (QPSK) system. We …
A novel optical direct-detection I/Q up-conversion with I/Q imbalance compensation via Gram-Schmidt orthogonalization procedure
A novel optical direct-detection I/Q up-conversion with I/Q imbalance compensation via
Gram-Schmidt orthogonalization procedure Page 1 AW G CH1 CH2 Fig. 1: The Concept of …
Gram-Schmidt orthogonalization procedure Page 1 AW G CH1 CH2 Fig. 1: The Concept of …
[引用][C] Coherent OFDM 신호의IQ 불균형보상과분산보상없는장거리전송
정환석， 장순혁， 김광준 - 한국통신학회기타간행물, 2009 - dbpia.co.kr
The performance enhancement using the Gram Schmidt orthogonal procedure for
compensating IQ mismatch in coherent optical OFDM system are investigated. With IQ …
compensating IQ mismatch in coherent optical OFDM system are investigated. With IQ …