D. O. Caplan, M. L. Stevens, J. J. Carney, and R. J. Murphy, "Demonstration of Optical DPSK Communication with 25 Photons/Bit Sensitivity," in CLEO (2006).
J. C. Livas, "High sensitivity optically preamplified 10 Gb/s receivers," in OFC, Paper PD4 (1996).
W. A. Atia, and R. S. Bondurant, "Demonstration of return-to-zero signaling in both OOK and DPSK formats to improve receiver sensitivity in an optically preamplified receiver," in LEOS (1999).
A. H. Gnauck, S. Chandrasekhar, J. Leuthold, and L. Stulz, "Demonstration of 42.7-Gb/s DPSK receiver with 45 photons/bit sensitivity," IEEE Photon. Technol. Lett. 15, 99-101 (2003).
J. H. Sinsky, A. Adamiecki, A. H. Gnauck, C. A. Burrus, J. Leuthold, O. Wohlgemuth, and A. Umbach, "A 42.7-Gb/s Integrated Balanced Optical Front End with Record Sensitivity," in OFC (Paper PD39-1, 2003).
D. O. Caplan, J. C. Gottschalk, R. J. Murphy, N. W. Spellmeyer, and M. L. Stevens, "Performance of high-rate high-sensitivity optical communications with forward error correction coding," in CLEO (Paper CPDD9, 2004).
S. R. Chinn, D. M. Boroson, and J. C. Livas, "Sensitivity of optically preamplified DPSK receivers with Fabry-Perot filters," J. Lightwave Tech. 14 (1996).
M. Schwartz, W. R. Bennett, and S. Stein, Communication Systems and Techniques (IEEE Press, New York, 1996).
T. Mizuochi, et. al., "Forward error correction based on block turbo code with 3-bit soft decision for 10-Gb/s optical communication systems," IEEE Sel. Top. in Quantum Electronics 10, 376 - 386 (2004).
A. Royset, and D. R. Hjelme, "Novel dispersion tolerant optical duobinary transmitter using phase modulator and Bragg grating filter," in ECOC (1998).
D. Penninckx, H. Bissessur, P. Brindel, E. Gohin, and F. Bakhti, "Optical differential phase shift keying (DPSK) direct detection considered as a duobinary signal," in ECOC (2001).
A. D’Errico, R. Proietti, N. Calabretta, L. Giorgi, G. Contestabile, and E. Ciaramella, "WDM-DPSK Detection by Means of Frequency-Periodic Gaussian Narrow Filtering " in OFC (2006).
J. R. Minch, D. J. Townsend, and D. R. Gervais, "Rate Adjustable NRZ-DPSK Modulation Scheme with a Fixed Interferometer," in IEEE LEOS (2005).
D. G. Heflinger, J. S. Bauch, and T. E. Humes, "Apparatus and method for tuning an optical interferometer," in US Pat. 6,396,605 (2002).
F. Séguin, and F. Gonthier, "Tuneable All-Fiber® Delay-Line Interferometer for DPSK Demodulation," in OFC (2005).
J. Hsieh, A. Chiayu, V. Chien, X. Liu, A. Gnauck, and X. Wei, "Athermal Demodulator for 42.7-Gb/s DPSK Signals," in ECOC (2005).
K. Yonenaga, and K. Hagimoto, "10-Git/s x four-channel WDM transmission experiment over 2400-km DSF using optical DPSK direct detection scheme," in OFC (1997).
A. H. Gnauck, G. Raybon, S. Chandrasekhar, J. Leuthold, C. Doerr, L. Stulz, A. Agarwal, S. Banerjee, D. Grosz, S. Hunsche, A. Kung, A. Marhelyuk, D. Maywar, M. Movassaghi, X. Liu, C. Xu, X. Wei, and D. M. Gill, "2.5 Tb/s (64 x 42.7 Gb/s) transmission over 40 x 100 km NZDSF using RZ-DPSK format and all-Raman-amplified spans," in OFC (2002).
J.-X. Cai, D. G. Foursa, C. R. Davidson, Y. Cai, G. Domagala, H. Li, L. Liu, W. Patterson, A. Pilipetskii, M. Nissov, and N. Bergano, "A DWDM Demonstration of 3.73 Tb/s over 11,000 km using 373 RZ-DPSK Channels at 10 Gb/s," in OFC (Paper PD22-1, 2003).
C. Rasmussen, T. Fjelde, J. Bennike, F. Liu, S. Dey, B. Mikkelsen, P. Mamyshev, P. Serbe, P. van der Wagt, Y. Akasaka, D. Harris, D. Gapontsev, V. Ivshin, and P. Reeves-Hall, "DWDM 40G transmission over trans-Pacific distance (10 000 km) using CSRZ-DPSK, enhanced FEC and all-Raman amplified 100 km Ultrawave fiber spans," in OFC (Paper PD18-1, 2003).
B. Zhu, L. E. Nelson, S. Stulz, A. H. Gnauck, C. Doerr, J. Leuthold, L. Gruner-Nielsen, M. O. Pedersen, J. Kim, R. L. Lingle, Jr., Y. Emori, Y. Ohki, N. Tsukiji, A. Oguri, and S. Namiki, "6.4 Tbit/s (160×42.7 Gb/s) transmission with 0.8 bit/s/Hz spectral efficiency over 32×100 km of fiber using CSRZ-DPSK format," in OFC (Paper PD19, 2003).