P. C. Schindler, D. Korn, C. Stamatiadis, M. F. O-'keefe, L. Stampoulidis et al., Monolithic GaAs Electro-Optic IQ Modulator Demonstrated at 150 Gbit/s With 64QAM, Journal of Lightwave Technology, vol.32, issue.4, pp.760-765, 2014.
DOI : 10.1109/JLT.2013.2278381

I. Fatadin, S. J. Savory, and D. Ives, Compensation of Quadrature Imbalance in an Optical QPSK Coherent Receiver, IEEE Photonics Technology Letters, vol.20, issue.20, pp.1733-1735, 2008.
DOI : 10.1109/LPT.2008.2004630

R. Rios-muller, J. Renaudier, and G. Charlet, Blind Receiver Skew Compensation and Estimation for Long-Haul Non-Dispersion Managed Systems Using Adaptive Equalizer, Journal of Lightwave Technology, vol.33, issue.7, pp.1315-1318, 2015.
DOI : 10.1109/JLT.2014.2377582

M. S. Faruk and K. Kikuchi, Compensation for inphase/quadrature imbalance in coherent receiver front-end for optical quadrature amplitude modulation, IEEE Photon. J, vol.5, issue.2 7800110, 2013.

E. Porto-da-silva and D. Zibar, Widely Linear Equalization for IQ Imbalance and Skew Compensation in Optical Coherent Receivers, Journal of Lightwave Technology, vol.34, issue.15, pp.3577-3586, 2016.
DOI : 10.1109/JLT.2016.2577716

T. Koike-akino, D. S. Millar, K. Kojima, K. Parsons, T. Yoshida et al., Turbo demodulation for LDPC-coded high-order QAM in presence of transmitter angular skew, 2014 The European Conference on Optical Communication (ECOC)
DOI : 10.1109/ECOC.2014.6964100

G. Khanna, S. Calabro, B. Spinnler, E. De-man, and N. Hanik, Joint Adaptive Pre-Compensation of Transmitter I/Q Skew and Frequency Response for High Order Modulation Formats and High Baud Rates, Optical Fiber Communication Conference, pp.2-4
DOI : 10.1364/OFC.2015.M2G.4

C. R. Fludger and T. Kupfer, Transmitter impairment mitigation and monitoring for high baud-rate, high order modulation systems, Proc. ECOC 2016, pp.256-258

T. Nguyen, Blind adaptive transmitter IQ imbalance compensation in M-QAM optical coherent systems, 2016 IEEE International Conference on Communications (ICC), pp.1643-1648
DOI : 10.1109/ICC.2016.7510925

URL : https://hal.archives-ouvertes.fr/hal-01337225

T. Nguyen, Carrier frequency offset estimation based on circular harmonic expansion for optical coherent M-QAM communication systems, Proc. OECC 2015, p.15650013
URL : https://hal.archives-ouvertes.fr/hal-01316911

T. Schenk, RF imperfections in high-rate wireless systems, pp.143-144, 2008.
DOI : 10.1007/978-1-4020-6903-1

S. J. Savory, Digital filters for coherent optical receivers, Optics Express, vol.16, issue.2, pp.804-817, 2008.
DOI : 10.1364/OE.16.000804

F. N. Hauske, N. Stojanovic, C. Xie, and M. Chen, Impact of optical channel distortions to digital timing recovery in digital coherent transmission systems, 2010 12th International Conference on Transparent Optical Networks
DOI : 10.1109/ICTON.2010.5549082

T. Nguyen, Bi-harmonic Decomposition-based Maximum Loglikelihood Estimator for Carrier Phase Estimation of Coherent Optical M-QAM, Optical Fiber Communication Conference
DOI : 10.1364/OFC.2016.Tu3K.3

URL : https://hal.archives-ouvertes.fr/hal-01309175

R. Schmogrow, Error Vector Magnitude as a Performance Measure for Advanced Modulation Formats, IEEE Photonics Technology Letters, vol.24, issue.1, pp.61-63, 2012.
DOI : 10.1109/LPT.2011.2172405

S. Amari and J. Cardoso, Blind source separation-semiparametric statistical approach, IEEE Transactions on Signal Processing, vol.45, issue.11, pp.2692-2700, 1997.
DOI : 10.1109/78.650095

J. Cardoso and B. H. Laheld, Equivariant adaptive source separation, IEEE Transactions on Signal Processing, vol.44, issue.12, pp.3017-3030, 1996.
DOI : 10.1109/78.553476

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.49.7924

M. Valkama, M. Renfors, and V. Koivunen, Blind signal estimation in conjugate signal models with application to I/Q imbalance compensation, IEEE Signal Processing Letters, vol.12, issue.11, pp.733-736, 2005.
DOI : 10.1109/LSP.2005.856891

I. Fatadin, D. Ives, and S. J. Savory, Blind Equalization and Carrier Phase Recovery in a 16-QAM Optical Coherent System, Journal of Lightwave Technology, vol.27, issue.15, pp.3042-3049, 2009.
DOI : 10.1109/JLT.2009.2021961

T. Schmidl and D. Cox, Robust frequency and timing synchronization for OFDM, IEEE Transactions on Communications, vol.45, issue.12, pp.1613-1621, 1997.
DOI : 10.1109/26.650240

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.452.9215

T. Nguyen, F. Gomez-agis, M. Gay, L. Anet-neto, P. Scalart et al., IQ imbalance compensation based on maximum SNR estimation in coherent QPSK systems, 2014 16th International Conference on Transparent Optical Networks (ICTON)
DOI : 10.1109/ICTON.2014.6876406

URL : https://hal.archives-ouvertes.fr/hal-01062978

T. Nguyen, P. Scalart, M. Joindot, M. Gay, L. Bramerie et al., Joint simple blind IQ imbalance compensation and adaptive equalization for 16-QAM optical communications, 2015 IEEE International Conference on Communications (ICC), pp.4913-4918
DOI : 10.1109/ICC.2015.7249101

URL : https://hal.archives-ouvertes.fr/hal-01162391