Degradations in balanced DPSK receivers

We discuss, both by simulation and experiment, the design of balanced differential phase-shift keying receivers. We study detector amplitude imbalance and phase imbalance, interferometer delay mismatch, interferometer extinction, and laser frequency offset. The most critical impairment in a practical receiver is found to be a mismatch between laser frequency and interferometer phase, which directly impacts the interference quality.

[1]  P. Humblet,et al.  On the bit error rate of lightwave systems with optical amplifiers , 1991 .

[2]  C. Wree,et al.  CF-RZ-DPSK for suppression of XPM on dispersion-managed long-haul optical WDM transmission on standard single-mode fiber , 2002, IEEE Photonics Technology Letters.

[3]  X. Liu,et al.  Nonlinear phase noise in pulse-overlapped transmission based on return-to-zero differential-phase-shift-keying , 2002, 2002 28TH European Conference on Optical Communication.

[4]  G. Raybon,et al.  2.5 Tb/s (64/spl times/42.7 Gb/s) transmission over 40/spl times/100 km NZDSF using RZ-DPSK format and all-Raman-amplified spans , 2002, Optical Fiber Communication Conference and Exhibit.

[5]  K. Sam Shanmugan,et al.  Simulation of Communication Systems , 1992 .

[6]  Roy S. Bondurant,et al.  Demonstration of return-to-zero signaling in both OOK and DPSK formats to improve receiver sensitivity in an optically preamplified receiver , 1999, 1999 IEEE LEOS Annual Meeting Conference Proceedings. LEOS'99. 12th Annual Meeting. IEEE Lasers and Electro-Optics Society 1999 Annual Meeting (Cat. No.99CH37009).

[7]  F. Palmien.  ON THE PERFORMANCE OF OPTICAL DIRECT-DETECTION DPSK IN THE PRESENCE OF RECEIVER IMPAIRMENTS , 2002 .

[8]  T. Chikama,et al.  Modulation and demodulation techniques in optical heterodyne PSK transmission systems , 1990 .

[9]  J. S. Lee,et al.  Bit-error-rate analysis of optically preamplified receivers using an eigenfunction expansion method in optical frequency domain , 1994 .

[10]  G. Jacobsen,et al.  Noise in Digital Optical Transmission Systems , 1994 .

[11]  M. Kac,et al.  On the Theory of Noise in Radio Receivers with Square Law Detectors , 1947 .

[12]  Michel C. Jeruchim,et al.  Simulation of Communication Systems: Modeling, Methodology and Techniques , 2000 .

[13]  E.A. Swanson,et al.  High sensitivity optically preamplified direct detection DPSK receiver with active delay-line stabilization , 1994, IEEE Photonics Technology Letters.

[14]  S. Chandrasekhar,et al.  Demonstration of 42.7-Gb/s DPSK receiver with 45 photons/bit sensitivity , 2003, IEEE Photonics Technology Letters.

[15]  S. Chandrasekhar,et al.  Impact of filtering on RZ-DPSK reception , 2003, IEEE Photonics Technology Letters.

[16]  D. M. Boroson,et al.  Sensitivity of optically preamplified DPSK receivers with Fabry-Perot filters , 1996 .

[17]  N. Hanik,et al.  Robustness of DPSK direct detection transmission format in standard fibre WDM systems , 2000 .