T. Mizuochi, K. Kubo, H. Yoshida, H. Fujita, H. Tagami, M. Akita, and K. Motoshima, “Next generation FEC for optical transmission systems,” in Proc OFC 2003, paper ThN1, Atlanta, GA, (2003).

Y. Yadin, A. Bilenca, and M. Nazarathy, “Soft detection of multichip DPSK over the nonlinear fiber-optic channel,” IEEE Photon. Technol. Lett. 17, 2001’2003 (2005).

[CrossRef]

F. Buchali, G. Thielecke, and H. Bulow, “Viterbi equalizer for mitigation of distortions from chromatic dispersion and PMD at 10 Gb/s,” in Proc. OFC2004, paper MF85, (2004).

X. Liu, X. Liu, S. Chandrasekhar, A. H. Gnauck, C. R. Doerr, I. Kang, D. Kilper, L. L. Buhl, and J. Centanni, “DSP-enabled compensation of demodulator phase error and sensitivity improvement in direct-detection 40-Gb/s DQPSK, postdeadline paper Th4.4.5 in ECOC′06 Cannes, France, 2006.

F. Buchali, G. Thielecke, and H. Bulow, “Viterbi equalizer for mitigation of distortions from chromatic dispersion and PMD at 10 Gb/s,” in Proc. OFC2004, paper MF85, (2004).

X. Liu, X. Liu, S. Chandrasekhar, A. H. Gnauck, C. R. Doerr, I. Kang, D. Kilper, L. L. Buhl, and J. Centanni, “DSP-enabled compensation of demodulator phase error and sensitivity improvement in direct-detection 40-Gb/s DQPSK, postdeadline paper Th4.4.5 in ECOC′06 Cannes, France, 2006.

X. Liu, X. Liu, S. Chandrasekhar, A. H. Gnauck, C. R. Doerr, I. Kang, D. Kilper, L. L. Buhl, and J. Centanni, “DSP-enabled compensation of demodulator phase error and sensitivity improvement in direct-detection 40-Gb/s DQPSK, postdeadline paper Th4.4.5 in ECOC′06 Cannes, France, 2006.

L. Christen, Y. K. Lize, S. R. Nuccio, X. Liu, M. Nazarathy, and A. E. Willner, “DPSK error correction using multi-bit detection for enhanced sensitivity and compensation of impairments,” in Proc. OFC2007, paper JThA50, Anaheim, CA (2007).

M. Nazarathy, Y. Yadin, M. Orenstein, Y. K. Lize, L. Christen, and Alan Willner, “Enhanced self-coherent optical decision-feedback-aided detection of multi-symbol M-DPSK/PolSK in particular 8-DPSK/BPolSK at 40 Gbps,” Optical Fiber Conference, paper JWA43, Anaheim, CA (2007).

Y. K. Lize, L. Christen, S. Nuccio, P. Saghari, R. Gomma, J.-Y. Yang, A. E. Willner, and R. Kashyap, “Power penalty in multibit differential phase shift keying demodulation,” in Proc. ECOC2006, paper Tu3.2.3, Cannes, France (2006).

R. Urbansky, A. Dittrich, W. Sauer-Greff, and H. Haunstein, “Electrical equalization and error correction coding for optical channels,” Holey Fibers and Photonic Crystals/Polarization Mode Dispersion/Photonics Time/Frequency Measurement and Control, 2003 Digest of the LEOS Summer Topical Meetings, (2003), pp. WB1.1/59–WB1.1/60.

H. Haunstein, R. Schlenk, K. Sticbt, A. Dittrich, W. Sauer-Greff, and R. Urbansky, “Optimized filtering for electronic equalizers in the presence of chromatic dispersion and PMD,” in Proc. OFC2004, paper MF6, (2004).

H. Haunstein, R. Schlenk, K. Sticbt, A. Dittrich, W. Sauer-Greff, and R. Urbansky, “Control of combined electrical feed-forward and decision feedback equalization by conditional error counts from FEC in the presence of PMD,” in Proc. OFC2003, 2, pp. 474’476.

X. Liu, X. Liu, S. Chandrasekhar, A. H. Gnauck, C. R. Doerr, I. Kang, D. Kilper, L. L. Buhl, and J. Centanni, “DSP-enabled compensation of demodulator phase error and sensitivity improvement in direct-detection 40-Gb/s DQPSK, postdeadline paper Th4.4.5 in ECOC′06 Cannes, France, 2006.

T. Mizuochi, K. Kubo, H. Yoshida, H. Fujita, H. Tagami, M. Akita, and K. Motoshima, “Next generation FEC for optical transmission systems,” in Proc OFC 2003, paper ThN1, Atlanta, GA, (2003).

X. Liu, Y.-H. Kao, M. Movassaghi, and R. C. Giles, “Tolerance to in-band coherent crosstalk of differential phase-shift-keyed signal with balanced detection and FEC,” IEEE Photon. Technol. Lett. 16, 1209’1911 (2004).

[CrossRef]

A. H. Gnauck and P. J. Winzer, “Optical phase-shift-keyed transmission,” J. Lightwave Technol. 23, 115’130. (2005).

[CrossRef]

A. H. Gnauck, “40-Gb/s RZ-differential phase shift keyed transmission,” in Proc. OFC2003, paper ThE1, (2003).

X. Liu, X. Liu, S. Chandrasekhar, A. H. Gnauck, C. R. Doerr, I. Kang, D. Kilper, L. L. Buhl, and J. Centanni, “DSP-enabled compensation of demodulator phase error and sensitivity improvement in direct-detection 40-Gb/s DQPSK, postdeadline paper Th4.4.5 in ECOC′06 Cannes, France, 2006.

Y. K. Lize, L. Christen, S. Nuccio, P. Saghari, R. Gomma, J.-Y. Yang, A. E. Willner, and R. Kashyap, “Power penalty in multibit differential phase shift keying demodulation,” in Proc. ECOC2006, paper Tu3.2.3, Cannes, France (2006).

F. Seguin and F. Gonthier, “Tuneable all-fiber, delay-line interferometer for DPSK demodulation,” in Proc. OFC2005, paper OFL5, (2005).

R. Urbansky, A. Dittrich, W. Sauer-Greff, and H. Haunstein, “Electrical equalization and error correction coding for optical channels,” Holey Fibers and Photonic Crystals/Polarization Mode Dispersion/Photonics Time/Frequency Measurement and Control, 2003 Digest of the LEOS Summer Topical Meetings, (2003), pp. WB1.1/59–WB1.1/60.

H. Haunstein, R. Schlenk, K. Sticbt, A. Dittrich, W. Sauer-Greff, and R. Urbansky, “Optimized filtering for electronic equalizers in the presence of chromatic dispersion and PMD,” in Proc. OFC2004, paper MF6, (2004).

H. Haunstein, R. Schlenk, K. Sticbt, A. Dittrich, W. Sauer-Greff, and R. Urbansky, “Control of combined electrical feed-forward and decision feedback equalization by conditional error counts from FEC in the presence of PMD,” in Proc. OFC2003, 2, pp. 474’476.

D. Lombard and J. C. Imbeaux, “Multidifferential PSK-demodulation for TDMA transmission,” in Proc. International Conference on Satellite Communication Systems Technology, (1975), pp. 207’213.

X. Liu, X. Liu, S. Chandrasekhar, A. H. Gnauck, C. R. Doerr, I. Kang, D. Kilper, L. L. Buhl, and J. Centanni, “DSP-enabled compensation of demodulator phase error and sensitivity improvement in direct-detection 40-Gb/s DQPSK, postdeadline paper Th4.4.5 in ECOC′06 Cannes, France, 2006.

X. Liu, Y.-H. Kao, M. Movassaghi, and R. C. Giles, “Tolerance to in-band coherent crosstalk of differential phase-shift-keyed signal with balanced detection and FEC,” IEEE Photon. Technol. Lett. 16, 1209’1911 (2004).

[CrossRef]

Y. K. Lize, L. Christen, S. Nuccio, P. Saghari, R. Gomma, J.-Y. Yang, A. E. Willner, and R. Kashyap, “Power penalty in multibit differential phase shift keying demodulation,” in Proc. ECOC2006, paper Tu3.2.3, Cannes, France (2006).

X. Liu, X. Liu, S. Chandrasekhar, A. H. Gnauck, C. R. Doerr, I. Kang, D. Kilper, L. L. Buhl, and J. Centanni, “DSP-enabled compensation of demodulator phase error and sensitivity improvement in direct-detection 40-Gb/s DQPSK, postdeadline paper Th4.4.5 in ECOC′06 Cannes, France, 2006.

T. Mizuochi, K. Kubo, H. Yoshida, H. Fujita, H. Tagami, M. Akita, and K. Motoshima, “Next generation FEC for optical transmission systems,” in Proc OFC 2003, paper ThN1, Atlanta, GA, (2003).

X. Liu, Y.-H. Kao, M. Movassaghi, and R. C. Giles, “Tolerance to in-band coherent crosstalk of differential phase-shift-keyed signal with balanced detection and FEC,” IEEE Photon. Technol. Lett. 16, 1209’1911 (2004).

[CrossRef]

X. Liu, “Digital implementation of soft detection for 3-chip-DBPSK with improved receiver sensitivity and dispersion tolerance,” in Proc. OFC2006, paper OTuI2, (2006).

X. Liu, “Nonlinear effects in phase shift keyed transmission,” in Proc. OFC2004, paper ThM4 (2004).

L. Christen, Y. K. Lize, S. R. Nuccio, X. Liu, M. Nazarathy, and A. E. Willner, “DPSK error correction using multi-bit detection for enhanced sensitivity and compensation of impairments,” in Proc. OFC2007, paper JThA50, Anaheim, CA (2007).

X. Liu, X. Liu, S. Chandrasekhar, A. H. Gnauck, C. R. Doerr, I. Kang, D. Kilper, L. L. Buhl, and J. Centanni, “DSP-enabled compensation of demodulator phase error and sensitivity improvement in direct-detection 40-Gb/s DQPSK, postdeadline paper Th4.4.5 in ECOC′06 Cannes, France, 2006.

X. Liu, X. Liu, S. Chandrasekhar, A. H. Gnauck, C. R. Doerr, I. Kang, D. Kilper, L. L. Buhl, and J. Centanni, “DSP-enabled compensation of demodulator phase error and sensitivity improvement in direct-detection 40-Gb/s DQPSK, postdeadline paper Th4.4.5 in ECOC′06 Cannes, France, 2006.

M. Nazarathy, X. Liu, Y. Yadin, and M. Orenstein, “Multi-chip detection of optical differential phase-shift keying and complexity reduction by interferometric decision feedback,” in Proc. ECOC2006, We3.P.79, (2006).

X. Liu, “Receiver sensitivity improvement in optical DQPSK and DQPSK/ASK through data-aided multi-symbol phase estimation,” in Proc. ECOC2006, We2.5.6 (2006).

M. Nazarathy, Y. Yadin, M. Orenstein, Y. K. Lize, L. Christen, and Alan Willner, “Enhanced self-coherent optical decision-feedback-aided detection of multi-symbol M-DPSK/PolSK in particular 8-DPSK/BPolSK at 40 Gbps,” Optical Fiber Conference, paper JWA43, Anaheim, CA (2007).

L. Christen, Y. K. Lize, S. R. Nuccio, X. Liu, M. Nazarathy, and A. E. Willner, “DPSK error correction using multi-bit detection for enhanced sensitivity and compensation of impairments,” in Proc. OFC2007, paper JThA50, Anaheim, CA (2007).

Y. K. Lize, L. Christen, S. Nuccio, P. Saghari, R. Gomma, J.-Y. Yang, A. E. Willner, and R. Kashyap, “Power penalty in multibit differential phase shift keying demodulation,” in Proc. ECOC2006, paper Tu3.2.3, Cannes, France (2006).

D. Lombard and J. C. Imbeaux, “Multidifferential PSK-demodulation for TDMA transmission,” in Proc. International Conference on Satellite Communication Systems Technology, (1975), pp. 207’213.

T. Mizuochi, K. Kubo, H. Yoshida, H. Fujita, H. Tagami, M. Akita, and K. Motoshima, “Next generation FEC for optical transmission systems,” in Proc OFC 2003, paper ThN1, Atlanta, GA, (2003).

T. Mizuochi, K. Kubo, H. Yoshida, H. Fujita, H. Tagami, M. Akita, and K. Motoshima, “Next generation FEC for optical transmission systems,” in Proc OFC 2003, paper ThN1, Atlanta, GA, (2003).

X. Liu, Y.-H. Kao, M. Movassaghi, and R. C. Giles, “Tolerance to in-band coherent crosstalk of differential phase-shift-keyed signal with balanced detection and FEC,” IEEE Photon. Technol. Lett. 16, 1209’1911 (2004).

[CrossRef]

M. Nazarathy and Y. Yadin, “Simplified decision feedback-aided multi-chip binary DPSK receivers,” IEEE Photon. Technol. Lett. 18, 1771’1773 (2006).

[CrossRef]

M. Nazarathy and E. Simony, “Multi-Chip Differential Phase Encoded Optical Transmission,” IEEE Photon. Technol. Lett. 17, 1133’1135 (2005).

[CrossRef]

Y. Yadin, A. Bilenca, and M. Nazarathy, “Soft detection of multichip DPSK over the nonlinear fiber-optic channel,” IEEE Photon. Technol. Lett. 17, 2001’2003 (2005).

[CrossRef]

M. Nazarathy, X. Liu, Y. Yadin, and M. Orenstein, “Multi-chip detection of optical differential phase-shift keying and complexity reduction by interferometric decision feedback,” in Proc. ECOC2006, We3.P.79, (2006).

L. Christen, Y. K. Lize, S. R. Nuccio, X. Liu, M. Nazarathy, and A. E. Willner, “DPSK error correction using multi-bit detection for enhanced sensitivity and compensation of impairments,” in Proc. OFC2007, paper JThA50, Anaheim, CA (2007).

M. Nazarathy, Y. Yadin, M. Orenstein, Y. K. Lize, L. Christen, and Alan Willner, “Enhanced self-coherent optical decision-feedback-aided detection of multi-symbol M-DPSK/PolSK in particular 8-DPSK/BPolSK at 40 Gbps,” Optical Fiber Conference, paper JWA43, Anaheim, CA (2007).

Y. K. Lize, L. Christen, S. Nuccio, P. Saghari, R. Gomma, J.-Y. Yang, A. E. Willner, and R. Kashyap, “Power penalty in multibit differential phase shift keying demodulation,” in Proc. ECOC2006, paper Tu3.2.3, Cannes, France (2006).

L. Christen, Y. K. Lize, S. R. Nuccio, X. Liu, M. Nazarathy, and A. E. Willner, “DPSK error correction using multi-bit detection for enhanced sensitivity and compensation of impairments,” in Proc. OFC2007, paper JThA50, Anaheim, CA (2007).

M. Nazarathy, Y. Yadin, M. Orenstein, Y. K. Lize, L. Christen, and Alan Willner, “Enhanced self-coherent optical decision-feedback-aided detection of multi-symbol M-DPSK/PolSK in particular 8-DPSK/BPolSK at 40 Gbps,” Optical Fiber Conference, paper JWA43, Anaheim, CA (2007).

M. Nazarathy, X. Liu, Y. Yadin, and M. Orenstein, “Multi-chip detection of optical differential phase-shift keying and complexity reduction by interferometric decision feedback,” in Proc. ECOC2006, We3.P.79, (2006).

Y. K. Lize, L. Christen, S. Nuccio, P. Saghari, R. Gomma, J.-Y. Yang, A. E. Willner, and R. Kashyap, “Power penalty in multibit differential phase shift keying demodulation,” in Proc. ECOC2006, paper Tu3.2.3, Cannes, France (2006).

R. Urbansky, A. Dittrich, W. Sauer-Greff, and H. Haunstein, “Electrical equalization and error correction coding for optical channels,” Holey Fibers and Photonic Crystals/Polarization Mode Dispersion/Photonics Time/Frequency Measurement and Control, 2003 Digest of the LEOS Summer Topical Meetings, (2003), pp. WB1.1/59–WB1.1/60.

H. Haunstein, R. Schlenk, K. Sticbt, A. Dittrich, W. Sauer-Greff, and R. Urbansky, “Optimized filtering for electronic equalizers in the presence of chromatic dispersion and PMD,” in Proc. OFC2004, paper MF6, (2004).

H. Haunstein, R. Schlenk, K. Sticbt, A. Dittrich, W. Sauer-Greff, and R. Urbansky, “Control of combined electrical feed-forward and decision feedback equalization by conditional error counts from FEC in the presence of PMD,” in Proc. OFC2003, 2, pp. 474’476.

H. Haunstein, R. Schlenk, K. Sticbt, A. Dittrich, W. Sauer-Greff, and R. Urbansky, “Control of combined electrical feed-forward and decision feedback equalization by conditional error counts from FEC in the presence of PMD,” in Proc. OFC2003, 2, pp. 474’476.

H. Haunstein, R. Schlenk, K. Sticbt, A. Dittrich, W. Sauer-Greff, and R. Urbansky, “Optimized filtering for electronic equalizers in the presence of chromatic dispersion and PMD,” in Proc. OFC2004, paper MF6, (2004).

F. Seguin and F. Gonthier, “Tuneable all-fiber, delay-line interferometer for DPSK demodulation,” in Proc. OFC2005, paper OFL5, (2005).

M. Nazarathy and E. Simony, “Multi-Chip Differential Phase Encoded Optical Transmission,” IEEE Photon. Technol. Lett. 17, 1133’1135 (2005).

[CrossRef]

H. Haunstein, R. Schlenk, K. Sticbt, A. Dittrich, W. Sauer-Greff, and R. Urbansky, “Optimized filtering for electronic equalizers in the presence of chromatic dispersion and PMD,” in Proc. OFC2004, paper MF6, (2004).

H. Haunstein, R. Schlenk, K. Sticbt, A. Dittrich, W. Sauer-Greff, and R. Urbansky, “Control of combined electrical feed-forward and decision feedback equalization by conditional error counts from FEC in the presence of PMD,” in Proc. OFC2003, 2, pp. 474’476.

T. Mizuochi, K. Kubo, H. Yoshida, H. Fujita, H. Tagami, M. Akita, and K. Motoshima, “Next generation FEC for optical transmission systems,” in Proc OFC 2003, paper ThN1, Atlanta, GA, (2003).

F. Buchali, G. Thielecke, and H. Bulow, “Viterbi equalizer for mitigation of distortions from chromatic dispersion and PMD at 10 Gb/s,” in Proc. OFC2004, paper MF85, (2004).

R. Urbansky, A. Dittrich, W. Sauer-Greff, and H. Haunstein, “Electrical equalization and error correction coding for optical channels,” Holey Fibers and Photonic Crystals/Polarization Mode Dispersion/Photonics Time/Frequency Measurement and Control, 2003 Digest of the LEOS Summer Topical Meetings, (2003), pp. WB1.1/59–WB1.1/60.

H. Haunstein, R. Schlenk, K. Sticbt, A. Dittrich, W. Sauer-Greff, and R. Urbansky, “Optimized filtering for electronic equalizers in the presence of chromatic dispersion and PMD,” in Proc. OFC2004, paper MF6, (2004).

H. Haunstein, R. Schlenk, K. Sticbt, A. Dittrich, W. Sauer-Greff, and R. Urbansky, “Control of combined electrical feed-forward and decision feedback equalization by conditional error counts from FEC in the presence of PMD,” in Proc. OFC2003, 2, pp. 474’476.

L. Christen, Y. K. Lize, S. R. Nuccio, X. Liu, M. Nazarathy, and A. E. Willner, “DPSK error correction using multi-bit detection for enhanced sensitivity and compensation of impairments,” in Proc. OFC2007, paper JThA50, Anaheim, CA (2007).

Y. K. Lize, L. Christen, S. Nuccio, P. Saghari, R. Gomma, J.-Y. Yang, A. E. Willner, and R. Kashyap, “Power penalty in multibit differential phase shift keying demodulation,” in Proc. ECOC2006, paper Tu3.2.3, Cannes, France (2006).

M. Nazarathy, Y. Yadin, M. Orenstein, Y. K. Lize, L. Christen, and Alan Willner, “Enhanced self-coherent optical decision-feedback-aided detection of multi-symbol M-DPSK/PolSK in particular 8-DPSK/BPolSK at 40 Gbps,” Optical Fiber Conference, paper JWA43, Anaheim, CA (2007).

M. Nazarathy and Y. Yadin, “Simplified decision feedback-aided multi-chip binary DPSK receivers,” IEEE Photon. Technol. Lett. 18, 1771’1773 (2006).

[CrossRef]

Y. Yadin, A. Bilenca, and M. Nazarathy, “Soft detection of multichip DPSK over the nonlinear fiber-optic channel,” IEEE Photon. Technol. Lett. 17, 2001’2003 (2005).

[CrossRef]

M. Nazarathy, X. Liu, Y. Yadin, and M. Orenstein, “Multi-chip detection of optical differential phase-shift keying and complexity reduction by interferometric decision feedback,” in Proc. ECOC2006, We3.P.79, (2006).

M. Nazarathy, Y. Yadin, M. Orenstein, Y. K. Lize, L. Christen, and Alan Willner, “Enhanced self-coherent optical decision-feedback-aided detection of multi-symbol M-DPSK/PolSK in particular 8-DPSK/BPolSK at 40 Gbps,” Optical Fiber Conference, paper JWA43, Anaheim, CA (2007).

Y. K. Lize, L. Christen, S. Nuccio, P. Saghari, R. Gomma, J.-Y. Yang, A. E. Willner, and R. Kashyap, “Power penalty in multibit differential phase shift keying demodulation,” in Proc. ECOC2006, paper Tu3.2.3, Cannes, France (2006).

T. Mizuochi, K. Kubo, H. Yoshida, H. Fujita, H. Tagami, M. Akita, and K. Motoshima, “Next generation FEC for optical transmission systems,” in Proc OFC 2003, paper ThN1, Atlanta, GA, (2003).

X. Liu, Y.-H. Kao, M. Movassaghi, and R. C. Giles, “Tolerance to in-band coherent crosstalk of differential phase-shift-keyed signal with balanced detection and FEC,” IEEE Photon. Technol. Lett. 16, 1209’1911 (2004).

[CrossRef]

M. Nazarathy and E. Simony, “Multi-Chip Differential Phase Encoded Optical Transmission,” IEEE Photon. Technol. Lett. 17, 1133’1135 (2005).

[CrossRef]

Y. Yadin, A. Bilenca, and M. Nazarathy, “Soft detection of multichip DPSK over the nonlinear fiber-optic channel,” IEEE Photon. Technol. Lett. 17, 2001’2003 (2005).

[CrossRef]

M. Nazarathy and Y. Yadin, “Simplified decision feedback-aided multi-chip binary DPSK receivers,” IEEE Photon. Technol. Lett. 18, 1771’1773 (2006).

[CrossRef]

X. Liu, “Receiver sensitivity improvement in optical DQPSK and DQPSK/ASK through data-aided multi-symbol phase estimation,” in Proc. ECOC2006, We2.5.6 (2006).

X. Liu, X. Liu, S. Chandrasekhar, A. H. Gnauck, C. R. Doerr, I. Kang, D. Kilper, L. L. Buhl, and J. Centanni, “DSP-enabled compensation of demodulator phase error and sensitivity improvement in direct-detection 40-Gb/s DQPSK, postdeadline paper Th4.4.5 in ECOC′06 Cannes, France, 2006.

M. Nazarathy, Y. Yadin, M. Orenstein, Y. K. Lize, L. Christen, and Alan Willner, “Enhanced self-coherent optical decision-feedback-aided detection of multi-symbol M-DPSK/PolSK in particular 8-DPSK/BPolSK at 40 Gbps,” Optical Fiber Conference, paper JWA43, Anaheim, CA (2007).

L. Christen, Y. K. Lize, S. R. Nuccio, X. Liu, M. Nazarathy, and A. E. Willner, “DPSK error correction using multi-bit detection for enhanced sensitivity and compensation of impairments,” in Proc. OFC2007, paper JThA50, Anaheim, CA (2007).

T. Mizuochi, K. Kubo, H. Yoshida, H. Fujita, H. Tagami, M. Akita, and K. Motoshima, “Next generation FEC for optical transmission systems,” in Proc OFC 2003, paper ThN1, Atlanta, GA, (2003).

D. Lombard and J. C. Imbeaux, “Multidifferential PSK-demodulation for TDMA transmission,” in Proc. International Conference on Satellite Communication Systems Technology, (1975), pp. 207’213.

F. Buchali, G. Thielecke, and H. Bulow, “Viterbi equalizer for mitigation of distortions from chromatic dispersion and PMD at 10 Gb/s,” in Proc. OFC2004, paper MF85, (2004).

H. Haunstein, R. Schlenk, K. Sticbt, A. Dittrich, W. Sauer-Greff, and R. Urbansky, “Optimized filtering for electronic equalizers in the presence of chromatic dispersion and PMD,” in Proc. OFC2004, paper MF6, (2004).

H. Haunstein, R. Schlenk, K. Sticbt, A. Dittrich, W. Sauer-Greff, and R. Urbansky, “Control of combined electrical feed-forward and decision feedback equalization by conditional error counts from FEC in the presence of PMD,” in Proc. OFC2003, 2, pp. 474’476.

R. Urbansky, A. Dittrich, W. Sauer-Greff, and H. Haunstein, “Electrical equalization and error correction coding for optical channels,” Holey Fibers and Photonic Crystals/Polarization Mode Dispersion/Photonics Time/Frequency Measurement and Control, 2003 Digest of the LEOS Summer Topical Meetings, (2003), pp. WB1.1/59–WB1.1/60.

Y. K. Lize, L. Christen, S. Nuccio, P. Saghari, R. Gomma, J.-Y. Yang, A. E. Willner, and R. Kashyap, “Power penalty in multibit differential phase shift keying demodulation,” in Proc. ECOC2006, paper Tu3.2.3, Cannes, France (2006).

X. Liu, “Digital implementation of soft detection for 3-chip-DBPSK with improved receiver sensitivity and dispersion tolerance,” in Proc. OFC2006, paper OTuI2, (2006).

M. Nazarathy, X. Liu, Y. Yadin, and M. Orenstein, “Multi-chip detection of optical differential phase-shift keying and complexity reduction by interferometric decision feedback,” in Proc. ECOC2006, We3.P.79, (2006).

F. Seguin and F. Gonthier, “Tuneable all-fiber, delay-line interferometer for DPSK demodulation,” in Proc. OFC2005, paper OFL5, (2005).

A. H. Gnauck, “40-Gb/s RZ-differential phase shift keyed transmission,” in Proc. OFC2003, paper ThE1, (2003).

X. Liu, “Nonlinear effects in phase shift keyed transmission,” in Proc. OFC2004, paper ThM4 (2004).