Browse > Article
http://dx.doi.org/10.3807/JOSK.2009.13.3.354

Transmission Performance of 40 Gb/s PM Duobinary Signals due to Fiber Nonlinearities in DWDM Systems Using VSB Filtering Techniques  

Jang, Ho-Deok (Department of Radio Engineering, Korea University)
Kim, Kyoung-Soo (Department of Radio Engineering, Korea University)
Lee, Jae-Hoon (Department of Radio Engineering, Korea University)
Jeong, Ji-Chai (Department of Radio Engineering, Korea University)
Publication Information
Journal of the Optical Society of Korea / v.13, no.3, 2009 , pp. 354-360 More about this Journal
Abstract
We investigate theoretically the tolerance of 40 Gbps phase-modulated (PM) duobinary signals using a vestigial sideband (VSB) filter on impairments which occurred in dense wavelength-division multiplexing (DWDM) systems, compared to the conventional duobinary signals. Our simulation results show that PM duobinary signals can't have the gain on the spectral efficiency achieved by utilizing the VSB filtering technique. In order to increase the spectral efficiency, they indispensably require to be transmitted at the optimum bandwidth of multiplexer (MUX) and demultiplexer (DEMUX) since they are susceptible to inter-channel crosstalk. It is also shown that the PM duobinary modulation format has a large tolerance on self-phase modulation (SPM) and cross-phase modulation (XPM) under the condition which MUX and DEMUX have been tuned at an optimum bandwidth; it has 1.2 dB power penalty at the fiber launching power (FLP) of 15 dBm and the channel spacing of 50 GHz.
Keywords
Duobinary signals; Phase-modulated duobinary; Wavelength-division multiplexing; Vestigial sideband filtering;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By Web Of Science : 2  (Related Records In Web of Science)
Times Cited By SCOPUS : 3
연도 인용수 순위
1 J. H. Lee, S. H. Kim, Y. H. Kim, Y. J. Oh, S. T. Hwang, and J. C. Jeong, “Optically preamplified receiver performance due to VSB filtering for 40-Gb/s optical signals modulated with various formats,” J. Lightwave Technol. 21, 521-527 (2003)   DOI   ScienceOn
2 G. P. Agrawal, Nonlinear Fiber Optics (Academic Press, New York, USA, 1989)
3 Y. K. Park and S. W. Granlund, 'Optical preamplifier receivers: application to long-haul digital transmission,' Optical Fiber Technol. 1, 59-71 (1994)   DOI   ScienceOn
4 S. Walklin and J. Conradi, 'Multilevel signaling for increasing the reach of 10 Gb/s lightwave systems,' J. Lightwave. Technol. 17, 2235-2248 (1999)   DOI   ScienceOn
5 A. Matsuura, K. Yonenaga, Y. Miyamoto, A. Sano, H. Toba, and M. Yoneyama, 'High power tolerant optical duobinary signal transmission,' IEICE Trans. Commun. E84-B, 1173-1178 (2001)
6 H. D. Jang, K. S. Kim, J. H. Lee, and J. C. Jeong, 'PMD tolerance of 10 Gbps modulated signals due to SOA-induced chirp in SOA booster amplifiers,' J. Opt. Soc. Korea 12, 232-239 (2008)   과학기술학회마을   DOI   ScienceOn
7 R. A. A. Lima, M. C. R. Carvalho, and L. F. M. Conrado, 'On the simulation of digital optical links with EDFA's: an accurate method for estimating BER through Gaussian approximation,' IEEE J. Select. Topics Quantum Electron. 3, 1037-1044 (1997)   DOI   ScienceOn
8 Y. G. Kim, H. D. Jang, J. H. Lee, I. K. Lee, M. I. Kim, and J. Jeong, 'Improvement of SPM tolerance for phasemodulated duobinary transmissions using phase modulator with postfiltering technique,' IEEE Photon. Technol. Lett. 15, 1785-1787 (2003)   DOI   ScienceOn
9 M. H. Kim, S. M. Lee, S. G. Mun, and C. H. Lee, 'A 240 km reach DWDM-PON of 8-Gb/s capacity using an optical amplifier,' J. Opt. Soc. Korea 11, 93-96 (2007)   과학기술학회마을   DOI   ScienceOn
10 Y. G. Kim, Y. N. Lee, J. H. Lee, S. K. Kim, and J. Jeong, 'Improvement of power margin in 10-Gb/s SOAboosted transmission systems using phase-modulated duobinary modulation formats,' IEEE Photon. Technol. Lett. 16, 2377-2379 (2004)   DOI   ScienceOn