P. J. Winzer, G. Raybon, C. R. Doerr, M. Duelk, C. Dorrer, "107-Gb/s
optical signal generation using electronic time-division multiplexing," J. Lightw. Technol. 24, (2006).
M. Daikoku, I. Morita, H. Taga, H. Tanaka, T. Kawanishi, T. Sakamoto, T. Miyazaki, T. Fujita, "100-Gb/s
DQPSK transmission experiment without OTDM for 100G ethernet transport," J. Lightw. Technol. 25, (2007).
D.-S. Ly-Gagnon, S. Tsukamoto, K. Katoh, K. Kikuchi, "Coherent
detection of optical quadrature phase-shift keying signals with carrier phase
estimation," J. Lightw. Technol. 24, (2006).
B. Spinnler, P. M. Krummrich, E.-D. Schmidt, "Chromatic dispersion tolerance of coherent optical communications
systems with electrical equalization," Proc.
J. H. Sinksy, A. Adamiecki, L. Buhl, G. Raybon, P. Winzer, O. Wohlgemuth, M. Duelk, C. R. Doerr, A. Umbach, H.-G. Bach, D. Schmidt, "107-Gbit/s opto-electronic
receiver with hybrid integrated photodetector and demultiplexer," Proc. OFC2007 (2007).
T. Duthel, C. R. S. Fludger, D. van den Borne, C. Schulien, E.-D. Schmidt, T. Wuth, E. de Man, G.-D. Khoe, H. de Waardt, "Impairment
tolerance of 111 Gbit/s POLMUX-RZ-DQPSK using a reduced complexity coherent
receiver with a Tspaced equalizer," Proc. ECOC2007 (2007).
G. P. Agrawal, Nonlinear Fiber Optics (Academic, 1995) pp. 243-247.
M. N. Islam, Raman Amplifiers for Telecommunications 2 (Springer, 2004) pp. 603-611.
D. van den Borne, T. Duthel, C. R. S. Fludger, E.-D. Schmidt, T. Wuth, C. Schulien, E. Gottwald, G. D. Khoe, H. de Waardt, "Carrier
phase estimation for coherent equalization of 43-Gb/s POLMUX-NRZ-DQPSK transmission
with 10.7 Gb/s NRZ neighbours," Proc. ECOC2007 (2007).
J. G. Proakis, Digital Communications (McGraw-Hill, 2000) pp. 271-272.
P. J. Winzer, G. Raybon, C. R. Doerr, L. L. Buhl, T. Kawanishi, T. Sakamoto, M. Izutsu, K. Higuma, "2000-km WDM Transmission of 10 x 107-Gb/s RZ-DQPSK," Proc.
A. Färbert, S. Langenbach, N. Stojanovic, C. Dorschky, T. Kupfer, C. Schulien, J.-P. Elbers, H. Wernz, H. Griesser, C. Glingener, "Performance
of a 10.7 Gb/s receiver with digital equalizer using maximum likelihood sequence
estimation," Proc. ECOC2004 (2004).
T. Kupfer, J. Whiteaway, S. Langenbach, "PMD compensation using electronic equalization particular
maximum likelihood sequence estimation," Proc.
S. J. Savory, A. D. Stewart, S. Wood, G. Gavioli, M. G. Taylor, R. I. Killey, P. Bayvel, "Digital
equalisation of 40 Gbit/s per wavelength transmission over 2480 km of standard
fibre without optical dispersion compensation," ECOC
G. Charlet, J. Renaudier, M. Salsi, H. Mardoyan, P. Tran, S. Bigo, "Efficient mitigation of fiber
impairments in an ultra-long haul transmission of 40 Gbit/s polarization-multiplexed
data, by digital processing in a coherent receiver," OFC2007 (2007).
C. Laperle, B. Villeneuve, Z. Zhang, D. McGhan, H. Sun, M. O'Sullivan, "Wavelength division multiplexing
(WDM) and polarization mode dispersion (PMD) performance of a coherent 40
Gbit/s dual-polarization quadrature phase shift keying (DP-QPSK) transceiver," Proc. OFC2007 (2007).
P. J. Anslow, C. R. S. Fludger, S. Savory, I. Hardcastle, J. Fells, "Frequency selective coherent receiver for agile networks," ECOC2006 (2006).
D. van den Borne, T. Duthel, C. R. S. Fludger, E. D. Schmidt, T. Wuth, C. Schulien, E. Gottwald, G. D. Khoe, H. de Waardt, "Electrical
PMD compensation in 43-Gb/s POLMUX-NRZ-DQPSK enabled by coherent detection
and equalization," Proc. ECOC2007 (2007).
J. W. M. Bergmans, Digital Baseband Transmission and Recording (Kluwer Academic, 1996).
S. J. Savory, G. Gavioli, R. I. Killey, P. Bayvel, "Transmission of 42.8 Gbit/s polarization multiplexed NRZ-QPSK
over 6400 km of standard fiber with no optical dispersion compensation," Proc. OFC2007 (2007).