Abstract

In this paper, ultradense wavelength-division multiplexing (WDM) transmission technologies are discussed, and a field demonstration of over-1000-channel ultradense WDM transmission is reported. The generation of an ultradense WDM signal using a supercontinuum multicarrier source that generates more than 1000 carriers and uniform precise channel spacing of 6.25 GHz is presented. The influence of four-wave-mixing generated in the transmission fiber and the requirements placed on the WDM multiplexer and demultiplexer is described. An over-1000-channel ultradense WDM transmission experiment is reported. A 1046 × 2.67-Gbit/s 6.25-GHz-spaced ultradense WDM signal is successfully transmitted over 126 km of field-installed fibers in the test bed of JGN II.

© 2006 IEEE

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  1. G. Vareille, F. Pitel and J. F. Marcerou, "3 Tb/s (300 × 11.6 Gb/s) transmission over 7380 km using C + L band with 25 GHz channel spacing and NRZ format", in Proc. OFC, Anaheim, CA, Mar. 2001, pp. PD22-1-PD22-3.
  2. D. G. Foursa, C. R. Davidson, M. Nissov, M. A. Mills, L. Xu, J. X. Cai, A. N. Pilipetskii, Y. Cai, C. Breverman, R. R. Cordell, T. J. Carvelli, P. C. Corbett, H. D. Kidorf and N. S. Bergano, "2.56 Tb/s (256 × 10 Gb/s) transmission over 11, 000 km using hybrid Raman/EDFAs with 80 nm of continuous bandwidth", in Proc. OFC, Anaheim, CA, Mar. 2002, pp. FC3-1-FC3-3.
  3. H. Suzuki, M. Fujiwara, N. Takachio, K. Iwatsuki, T. Kitoh and T. Shibata, "12.5 GHz spaced 1.28 Tb/s (512-channel × 2.5 Gb/s) super-dense WDM transmission over 320 km SMF using multiwavelength generation technique", IEEE Photon. Technol. Lett., vol. 14, no. 3, pp. 405-407, Mar. 2002.
  4. M. Teshima, K. Sato and M. Koga, "Experimental investigation of injection locking of fundamental and subharmonic frequency-modulated active mode-locked laser diodes", IEEE J. Quantum Electron., vol. 34, no. 9, pp. 1588-1596, Sep. 1998.
  5. H. Takara, H. Masuda, K. Mori, K. Sato, Y. Inoue, T. Ohara, A. Mori, M. Kohtoku, Y. Miyamoto, T. Morioka and S. Kawanishi, "124 nm seamless bandwidth, 313 × 10 Gb/s DWDM transmission", Electron. Lett., vol. 39, no. 4, pp. 382-383, Feb. 2003.
  6. M. Koga and M. Teshima, "Wavelength standards and stabilization for WDM networks", presented at the Optical Fiber Communication (OFC)/Integrated Optics and Optical Fiber Communication Conf. (IOOC), San Diego, CA, Paper WI2, Feb. 1999.
  7. T. Morioka, "Supercontinuum lightwave optical sources for large capacity transmission", in Proc. ECOC, Brussels, Belgium,Sep. 1995,Paper Th.A.1.2,. pp. 821-828.
  8. K. Mori, H. Takara, S. Kawanishi, M. Saruwatari and T. Morioka, "Flatly broadened supercontinuum spectrum generated in a dispersion decreasing fibre with convex dispersion profile", Electron. Lett., vol. 33, no. 21, pp. 1806-1808, Oct. 1997.
  9. K. Mori, H. Takara and S. Kawanishi, "Analysis and design of supercontinuum pulse generation in a single-mode optical fiber", J. Opt. Soc. Amer. B, Opt. Phys., vol. 18, no. 12, pp. 1780-1792, Dec. 2001.
  10. S. Kawanishi, H. Takara, K. Uchiyama, I. Shake and K. Mori, "3 Tb/s (160 Gb/s × 19 channel) optical TDM and WDM transmission experiment", Electron. Lett., vol. 35, no. 10, pp. 826-827, May 1999.
  11. K. Imai, B. Widiyatmoko, M. Kourogi and M. Ohtsu, "12-THz frequency difference measurements and noise analysis of an optical frequency comb in optical fibers", IEEE J. Quantum Electron., vol. 35, no. 4, pp. 559-564, Apr. 1999.
  12. J. Kim, O. Boyraz and M. N. Islam, "150+ channel ultra-DWDM source with N × 10 GHz spacing utilizing longitudinal mode slicing of supercontinuum", in Proc. OFC, Baltimore, MD, Mar. 2000,Paper ThA2,. pp. 5-7.
  13. K. Imai, M. Kourogi and M. Ohtsu, "30-THz span optical frequency comb generation by self-phase modulation in an optical fiber", IEEE J. Quantum Electron., vol. 34, no. 1, pp. 54-60, Jan. 1998.
  14. K. Suzuki, M. Koga and T. Morioka, "MHz-accuracy, 25 GHz-spaced frequency-stabilised optical comb over S -, C -, L -bands for precise optical frequency measurements", Electron. Lett., vol. 40, no. 17, pp. 1078-1079, Aug. 2004.
  15. K. Mori and K. Sato, "Supercontinuum lightwave generation employing a mode-locked laser diode with injection locking for a highly coherent optical multicarrier source", IEEE Photon. Technol. Lett., vol. 17, no. 2, pp. 480-482, Feb. 2005.
  16. H. Takara, T. Ohara and K. Sato, "Over 1000 km DWDM transmission with supercontinuum multi-carrier source", Electron. Lett., vol. 39, no. 14, pp. 1078-1079, Jul. 2003.
  17. T. Komukai, T. Yamamoto and S. Kawanishi, "Optical pulse generation using phase modulator and linearly chirped fiber Bragg gratings", IEEE Photon. Technol. Lett., vol. 17, no. 8, pp. 1746-1748, Aug. 2005.
  18. E. L. Goldstein, L. Eskildsen and A. F. Elrefaie, "Performance implications of component crosstalk in transparent lightwave networks", IEEE Photon. Technol. Lett., vol. 6, no. 5, pp. 657-660, May 1994.
  19. K. Takada, M. Abe, T. Shibata and K. Okamoto, "5 GHz-spaced 4200-channel two-stage tandem demultiplexer for ultra-multi-wavelength light source using supercontinuum generation", Electron. Lett., vol. 38, no. 12, pp. 572-573, Jun. 2002.
  20. H. Takahashi, K. Oda, H. Toba and Y. Inoue, "Transmission characteristics of arrayed waveguide N × N wavelength multiplexer", J. Lightw. Technol., vol. 13, no. 3, pp. 447-455, Mar. 1995.

Other (20)

G. Vareille, F. Pitel and J. F. Marcerou, "3 Tb/s (300 × 11.6 Gb/s) transmission over 7380 km using C + L band with 25 GHz channel spacing and NRZ format", in Proc. OFC, Anaheim, CA, Mar. 2001, pp. PD22-1-PD22-3.

D. G. Foursa, C. R. Davidson, M. Nissov, M. A. Mills, L. Xu, J. X. Cai, A. N. Pilipetskii, Y. Cai, C. Breverman, R. R. Cordell, T. J. Carvelli, P. C. Corbett, H. D. Kidorf and N. S. Bergano, "2.56 Tb/s (256 × 10 Gb/s) transmission over 11, 000 km using hybrid Raman/EDFAs with 80 nm of continuous bandwidth", in Proc. OFC, Anaheim, CA, Mar. 2002, pp. FC3-1-FC3-3.

H. Suzuki, M. Fujiwara, N. Takachio, K. Iwatsuki, T. Kitoh and T. Shibata, "12.5 GHz spaced 1.28 Tb/s (512-channel × 2.5 Gb/s) super-dense WDM transmission over 320 km SMF using multiwavelength generation technique", IEEE Photon. Technol. Lett., vol. 14, no. 3, pp. 405-407, Mar. 2002.

M. Teshima, K. Sato and M. Koga, "Experimental investigation of injection locking of fundamental and subharmonic frequency-modulated active mode-locked laser diodes", IEEE J. Quantum Electron., vol. 34, no. 9, pp. 1588-1596, Sep. 1998.

H. Takara, H. Masuda, K. Mori, K. Sato, Y. Inoue, T. Ohara, A. Mori, M. Kohtoku, Y. Miyamoto, T. Morioka and S. Kawanishi, "124 nm seamless bandwidth, 313 × 10 Gb/s DWDM transmission", Electron. Lett., vol. 39, no. 4, pp. 382-383, Feb. 2003.

M. Koga and M. Teshima, "Wavelength standards and stabilization for WDM networks", presented at the Optical Fiber Communication (OFC)/Integrated Optics and Optical Fiber Communication Conf. (IOOC), San Diego, CA, Paper WI2, Feb. 1999.

T. Morioka, "Supercontinuum lightwave optical sources for large capacity transmission", in Proc. ECOC, Brussels, Belgium,Sep. 1995,Paper Th.A.1.2,. pp. 821-828.

K. Mori, H. Takara, S. Kawanishi, M. Saruwatari and T. Morioka, "Flatly broadened supercontinuum spectrum generated in a dispersion decreasing fibre with convex dispersion profile", Electron. Lett., vol. 33, no. 21, pp. 1806-1808, Oct. 1997.

K. Mori, H. Takara and S. Kawanishi, "Analysis and design of supercontinuum pulse generation in a single-mode optical fiber", J. Opt. Soc. Amer. B, Opt. Phys., vol. 18, no. 12, pp. 1780-1792, Dec. 2001.

S. Kawanishi, H. Takara, K. Uchiyama, I. Shake and K. Mori, "3 Tb/s (160 Gb/s × 19 channel) optical TDM and WDM transmission experiment", Electron. Lett., vol. 35, no. 10, pp. 826-827, May 1999.

K. Imai, B. Widiyatmoko, M. Kourogi and M. Ohtsu, "12-THz frequency difference measurements and noise analysis of an optical frequency comb in optical fibers", IEEE J. Quantum Electron., vol. 35, no. 4, pp. 559-564, Apr. 1999.

J. Kim, O. Boyraz and M. N. Islam, "150+ channel ultra-DWDM source with N × 10 GHz spacing utilizing longitudinal mode slicing of supercontinuum", in Proc. OFC, Baltimore, MD, Mar. 2000,Paper ThA2,. pp. 5-7.

K. Imai, M. Kourogi and M. Ohtsu, "30-THz span optical frequency comb generation by self-phase modulation in an optical fiber", IEEE J. Quantum Electron., vol. 34, no. 1, pp. 54-60, Jan. 1998.

K. Suzuki, M. Koga and T. Morioka, "MHz-accuracy, 25 GHz-spaced frequency-stabilised optical comb over S -, C -, L -bands for precise optical frequency measurements", Electron. Lett., vol. 40, no. 17, pp. 1078-1079, Aug. 2004.

K. Mori and K. Sato, "Supercontinuum lightwave generation employing a mode-locked laser diode with injection locking for a highly coherent optical multicarrier source", IEEE Photon. Technol. Lett., vol. 17, no. 2, pp. 480-482, Feb. 2005.

H. Takara, T. Ohara and K. Sato, "Over 1000 km DWDM transmission with supercontinuum multi-carrier source", Electron. Lett., vol. 39, no. 14, pp. 1078-1079, Jul. 2003.

T. Komukai, T. Yamamoto and S. Kawanishi, "Optical pulse generation using phase modulator and linearly chirped fiber Bragg gratings", IEEE Photon. Technol. Lett., vol. 17, no. 8, pp. 1746-1748, Aug. 2005.

E. L. Goldstein, L. Eskildsen and A. F. Elrefaie, "Performance implications of component crosstalk in transparent lightwave networks", IEEE Photon. Technol. Lett., vol. 6, no. 5, pp. 657-660, May 1994.

K. Takada, M. Abe, T. Shibata and K. Okamoto, "5 GHz-spaced 4200-channel two-stage tandem demultiplexer for ultra-multi-wavelength light source using supercontinuum generation", Electron. Lett., vol. 38, no. 12, pp. 572-573, Jun. 2002.

H. Takahashi, K. Oda, H. Toba and Y. Inoue, "Transmission characteristics of arrayed waveguide N × N wavelength multiplexer", J. Lightw. Technol., vol. 13, no. 3, pp. 447-455, Mar. 1995.

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