Q. Zhuge, M. Morsy-Osman, X. Xu, M. E. Mousa-Pasandi, M. Chagnon, Z. A. El-Sahn, and D. V. Plant, “Pilot-aided carrier phase recovery for M-QAM using superscalar parallelization based PLL,” Opt. Express 20(17), 19599–19609 (2012).

[Crossref]
[PubMed]

P. J. Winzer, “High-spectral-efficiency optical modulation formats,” J. Lightwave Technol. 30(8), 3824–3835 (2012).

[Crossref]

A. Meiyappan, P. Y. Kam, and H. Kim, “A complex-weighted, decision-aided, maximum-likelihood carrier phase and frequency-offset estimation algorithm for coherent optical detection,” Opt. Express 20(18), 20102–20114 (2012).

[Crossref]
[PubMed]

G. Bosco, V. Curri, A. Carena, P. Poggiolini, and F. Forghieri, “On the performance of Nyquist-WDM terabit superchannels based on PM-BPSK, PM-QPSK, PM-8QAM or PM-16QAM subcarriers,” J. Lightwave Technol. 29(1), 53–61 (2011).

[Crossref]

Y. Gao, A. P. T. Lau, S. Yan, and C. Lu, “Low-complexity and phase noise tolerant carrier phase estimation for dual-polarization 16-QAM systems,” Opt. Express 19(22), 21717–21729 (2011).

[Crossref]
[PubMed]

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[Crossref]

P. J. Winzer, “Beyond 100G Ethernet,” IEEE Commun. Mag. 48(7), 26–30 (2010).

[Crossref]

C. Yu, S. Zhang, P. Y. Kam, and J. Chen, “Bit-error rate performance of coherent optical M-ary PSK/QAM using decision-aided maximum likelihood phase estimation,” Opt. Express 18(12), 12088–12103 (2010).

[Crossref]
[PubMed]

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[Crossref]

Y. Wang, E. Serpedin, P. Ciblat, and P. Loubaton, “Non-data aided feedforward cyclostationary statistics based carrier frequency offset estimators for linear modulations,” in Proceed. Conf. Rec. GLOBECOM 01, 1386–1390 (2001).

F. Derr, “Coherent optical QPSK intradyne system: Concept and digital receiver realization,” J. Lightwave Technol. 10(9), 1290–1296 (1992).

[Crossref]

A. J. Viterbi and A. M. Viterbi, “Nonlinear estimation of PSK-modulated carrier phase with application to burst digital transmission,” IEEE Trans. Inf. Theory 29(4), 543–551 (1983).

[Crossref]

X. Zhou, L. Nelson, P. Magill, R. Issac, B. Zhu, D. Peckham, P. Borel, and K. Carlson, “4000 km transmission of 50GHz spaced, 10x494. 85-Gb/s hybrid 32-64QAM using cascaded equalization and training-assisted phase recovery,” in Proc. OFC’12 (2012), paper PDP5C.

X. Zhou, L. Nelson, P. Magill, R. Issac, B. Zhu, D. Peckham, P. Borel, and K. Carlson, “4000 km transmission of 50GHz spaced, 10x494. 85-Gb/s hybrid 32-64QAM using cascaded equalization and training-assisted phase recovery,” in Proc. OFC’12 (2012), paper PDP5C.

Y. Wang, E. Serpedin, P. Ciblat, and P. Loubaton, “Non-data aided feedforward cyclostationary statistics based carrier frequency offset estimators for linear modulations,” in Proceed. Conf. Rec. GLOBECOM 01, 1386–1390 (2001).

F. Derr, “Coherent optical QPSK intradyne system: Concept and digital receiver realization,” J. Lightwave Technol. 10(9), 1290–1296 (1992).

[Crossref]

I. Fatadin, D. Ives, and S. J. Savory, “Laser linewidth tolerance for 16-QAM coherent optical systems using QPSK partitioning,” IEEE Photonics Technol. Lett. 22(9), 631–633 (2010).

[Crossref]

I. Fatadin, S. J. Savory, and D. Ives, “Compensation of quadrature imbalance in an optical QPSK coherent receiver,” IEEE Photonics Technol. Lett. 20(20), 1733–1735 (2008).

[Crossref]

X. Zhou, L. Nelson, P. Magill, R. Issac, B. Zhu, D. Peckham, P. Borel, and K. Carlson, “4000 km transmission of 50GHz spaced, 10x494. 85-Gb/s hybrid 32-64QAM using cascaded equalization and training-assisted phase recovery,” in Proc. OFC’12 (2012), paper PDP5C.

I. Fatadin, D. Ives, and S. J. Savory, “Laser linewidth tolerance for 16-QAM coherent optical systems using QPSK partitioning,” IEEE Photonics Technol. Lett. 22(9), 631–633 (2010).

[Crossref]

I. Fatadin, S. J. Savory, and D. Ives, “Compensation of quadrature imbalance in an optical QPSK coherent receiver,” IEEE Photonics Technol. Lett. 20(20), 1733–1735 (2008).

[Crossref]

A. Meiyappan, P. Y. Kam, and H. Kim, “A complex-weighted, decision-aided, maximum-likelihood carrier phase and frequency-offset estimation algorithm for coherent optical detection,” Opt. Express 20(18), 20102–20114 (2012).

[Crossref]
[PubMed]

C. Yu, S. Zhang, P. Y. Kam, and J. Chen, “Bit-error rate performance of coherent optical M-ary PSK/QAM using decision-aided maximum likelihood phase estimation,” Opt. Express 18(12), 12088–12103 (2010).

[Crossref]
[PubMed]

A. Meiyappan, P. Kam, and H. Kim, “On decision aided carrier phase and frequency offset estimation in coherent optical receivers,” J. Lightwave Technol. 31(13), 2055–2069 (2013).

[Crossref]

A. Meiyappan, P. Y. Kam, and H. Kim, “A complex-weighted, decision-aided, maximum-likelihood carrier phase and frequency-offset estimation algorithm for coherent optical detection,” Opt. Express 20(18), 20102–20114 (2012).

[Crossref]
[PubMed]

Y. Wang, E. Serpedin, P. Ciblat, and P. Loubaton, “Non-data aided feedforward cyclostationary statistics based carrier frequency offset estimators for linear modulations,” in Proceed. Conf. Rec. GLOBECOM 01, 1386–1390 (2001).

X. Zhou, L. Nelson, P. Magill, R. Issac, B. Zhu, D. Peckham, P. Borel, and K. Carlson, “4000 km transmission of 50GHz spaced, 10x494. 85-Gb/s hybrid 32-64QAM using cascaded equalization and training-assisted phase recovery,” in Proc. OFC’12 (2012), paper PDP5C.

A. Meiyappan, P. Kam, and H. Kim, “On decision aided carrier phase and frequency offset estimation in coherent optical receivers,” J. Lightwave Technol. 31(13), 2055–2069 (2013).

[Crossref]

A. Meiyappan, P. Y. Kam, and H. Kim, “A complex-weighted, decision-aided, maximum-likelihood carrier phase and frequency-offset estimation algorithm for coherent optical detection,” Opt. Express 20(18), 20102–20114 (2012).

[Crossref]
[PubMed]

X. Zhou, L. Nelson, P. Magill, R. Issac, B. Zhu, D. Peckham, P. Borel, and K. Carlson, “4000 km transmission of 50GHz spaced, 10x494. 85-Gb/s hybrid 32-64QAM using cascaded equalization and training-assisted phase recovery,” in Proc. OFC’12 (2012), paper PDP5C.

X. Zhou, L. Nelson, P. Magill, R. Issac, B. Zhu, D. Peckham, P. Borel, and K. Carlson, “4000 km transmission of 50GHz spaced, 10x494. 85-Gb/s hybrid 32-64QAM using cascaded equalization and training-assisted phase recovery,” in Proc. OFC’12 (2012), paper PDP5C.

I. Fatadin, D. Ives, and S. J. Savory, “Laser linewidth tolerance for 16-QAM coherent optical systems using QPSK partitioning,” IEEE Photonics Technol. Lett. 22(9), 631–633 (2010).

[Crossref]

S. J. Savory, “Digital filters for coherent optical receivers,” Opt. Express 16(2), 804–817 (2008).

[Crossref]
[PubMed]

I. Fatadin, S. J. Savory, and D. Ives, “Compensation of quadrature imbalance in an optical QPSK coherent receiver,” IEEE Photonics Technol. Lett. 20(20), 1733–1735 (2008).

[Crossref]

Y. Wang, E. Serpedin, P. Ciblat, and P. Loubaton, “Non-data aided feedforward cyclostationary statistics based carrier frequency offset estimators for linear modulations,” in Proceed. Conf. Rec. GLOBECOM 01, 1386–1390 (2001).

R. W. Tkach, “Scaling optical communications for the next decade and beyond,” Bell Labs Tech. J. 14(4), 3–9 (2010).

[Crossref]

A. J. Viterbi and A. M. Viterbi, “Nonlinear estimation of PSK-modulated carrier phase with application to burst digital transmission,” IEEE Trans. Inf. Theory 29(4), 543–551 (1983).

[Crossref]

A. J. Viterbi and A. M. Viterbi, “Nonlinear estimation of PSK-modulated carrier phase with application to burst digital transmission,” IEEE Trans. Inf. Theory 29(4), 543–551 (1983).

[Crossref]

Y. Wang, E. Serpedin, P. Ciblat, and P. Loubaton, “Non-data aided feedforward cyclostationary statistics based carrier frequency offset estimators for linear modulations,” in Proceed. Conf. Rec. GLOBECOM 01, 1386–1390 (2001).

X. Zhou, L. Nelson, P. Magill, R. Issac, B. Zhu, D. Peckham, P. Borel, and K. Carlson, “4000 km transmission of 50GHz spaced, 10x494. 85-Gb/s hybrid 32-64QAM using cascaded equalization and training-assisted phase recovery,” in Proc. OFC’12 (2012), paper PDP5C.

X. Zhou, L. Nelson, P. Magill, R. Issac, B. Zhu, D. Peckham, P. Borel, and K. Carlson, “4000 km transmission of 50GHz spaced, 10x494. 85-Gb/s hybrid 32-64QAM using cascaded equalization and training-assisted phase recovery,” in Proc. OFC’12 (2012), paper PDP5C.

R. W. Tkach, “Scaling optical communications for the next decade and beyond,” Bell Labs Tech. J. 14(4), 3–9 (2010).

[Crossref]

P. J. Winzer, “Beyond 100G Ethernet,” IEEE Commun. Mag. 48(7), 26–30 (2010).

[Crossref]

I. Fatadin, D. Ives, and S. J. Savory, “Laser linewidth tolerance for 16-QAM coherent optical systems using QPSK partitioning,” IEEE Photonics Technol. Lett. 22(9), 631–633 (2010).

[Crossref]

I. Fatadin, S. J. Savory, and D. Ives, “Compensation of quadrature imbalance in an optical QPSK coherent receiver,” IEEE Photonics Technol. Lett. 20(20), 1733–1735 (2008).

[Crossref]

A. J. Viterbi and A. M. Viterbi, “Nonlinear estimation of PSK-modulated carrier phase with application to burst digital transmission,” IEEE Trans. Inf. Theory 29(4), 543–551 (1983).

[Crossref]

Y. Wang, E. Serpedin, P. Ciblat, and P. Loubaton, “Non-data aided feedforward cyclostationary statistics based carrier frequency offset estimators for linear modulations,” in Proceed. Conf. Rec. GLOBECOM 01, 1386–1390 (2001).

A. Meiyappan, P. Kam, and H. Kim, “On decision aided carrier phase and frequency offset estimation in coherent optical receivers,” J. Lightwave Technol. 31(13), 2055–2069 (2013).

[Crossref]

F. Derr, “Coherent optical QPSK intradyne system: Concept and digital receiver realization,” J. Lightwave Technol. 10(9), 1290–1296 (1992).

[Crossref]

T. Pfau, S. Hoffmann, and R. Noé, “Hardware-efficient coherent digital receiver concept with feedforward carrier recovery for M-QAM constellations,” J. Lightwave Technol. 27(8), 989–999 (2009).

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D. S. Ly-Gagnon, S. Tsukamoto, K. Katoh, and K. Kikuchi, “Coherent detection of optical quadrature phase shift keying signals with carrier phase estimation,” J. Lightwave Technol. 24(1), 12–21 (2006).

[Crossref]

E. Ip and J. M. Kahn, “Feedforward carrier recovery for coherent optical communications,” J. Lightwave Technol. 25(9), 2675–2692 (2007).

[Crossref]

G. Bosco, V. Curri, A. Carena, P. Poggiolini, and F. Forghieri, “On the performance of Nyquist-WDM terabit superchannels based on PM-BPSK, PM-QPSK, PM-8QAM or PM-16QAM subcarriers,” J. Lightwave Technol. 29(1), 53–61 (2011).

[Crossref]

P. J. Winzer, “High-spectral-efficiency optical modulation formats,” J. Lightwave Technol. 30(8), 3824–3835 (2012).

[Crossref]

S. J. Savory, “Digital filters for coherent optical receivers,” Opt. Express 16(2), 804–817 (2008).

[Crossref]
[PubMed]

C. Yu, S. Zhang, P. Y. Kam, and J. Chen, “Bit-error rate performance of coherent optical M-ary PSK/QAM using decision-aided maximum likelihood phase estimation,” Opt. Express 18(12), 12088–12103 (2010).

[Crossref]
[PubMed]

A. Meiyappan, P. Y. Kam, and H. Kim, “A complex-weighted, decision-aided, maximum-likelihood carrier phase and frequency-offset estimation algorithm for coherent optical detection,” Opt. Express 20(18), 20102–20114 (2012).

[Crossref]
[PubMed]

Q. Zhuge, M. Morsy-Osman, X. Xu, M. E. Mousa-Pasandi, M. Chagnon, Z. A. El-Sahn, and D. V. Plant, “Pilot-aided carrier phase recovery for M-QAM using superscalar parallelization based PLL,” Opt. Express 20(17), 19599–19609 (2012).

[Crossref]
[PubMed]

Y. Gao, A. P. T. Lau, S. Yan, and C. Lu, “Low-complexity and phase noise tolerant carrier phase estimation for dual-polarization 16-QAM systems,” Opt. Express 19(22), 21717–21729 (2011).

[Crossref]
[PubMed]

M. Qiu, Q. Zhuge, Y. Gao, W. Wang, F. Zhang, and D. V. Plant, “Cycle Slip Mitigation with Joint Carrier Phase Recovery in Coherent Subcarrier Multiplexing Systems,” in Proc. OFC’16 (2016), paper Tu3K2.

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M. Selmi, Y. Jaouën, P. Ciblat, and B. Lankl, “Accurate digital frequency offset estimator for coherent PolMux QAM transmission systems,” in Proc. ECOC’09 (2009), paper P3.08.

X. Zhou, L. Nelson, P. Magill, R. Issac, B. Zhu, D. Peckham, P. Borel, and K. Carlson, “4000 km transmission of 50GHz spaced, 10x494. 85-Gb/s hybrid 32-64QAM using cascaded equalization and training-assisted phase recovery,” in Proc. OFC’12 (2012), paper PDP5C.

K. Piyawanno, M. Kuschnerov, B. Spinnler, and B. Lankl, “Low complexity carrier recovery for coherent QAM using superscalar parallelization,” in Proc. ECOC’10 (2010), paper We.7.A.3.

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Optical Internetworking Forum, “Integrable tunable transmitter assembly multi source agreement,” OIF-ITTA-MSA-01.0, Nov. (2008).