Abstract

A wavelength-division-multiplexing (WDM) access system can be used in two basic ways: user multiplexing, which assigns a wavelength to each user, and service multiplexing, which assigns a wavelength to each service. In current designs for service multiplexing, each optical network unit (ONU) must have a demultiplexer that can select any wavelength. This paper proposes a new WDM access system that uses one demultiplexer shared by many ONUs to offer optical-distribution access services. This system realizes significant cost reductions due to its passive optical network (PON) architecture, high capacity due to its WDM technology, and easy wiring through the use of multimode fiber (MMF). As one of the realization approaches of the shared demultiplexer, we explain the principle and configuration of a shared demultiplexer based on diffraction theory, and present theoretical and experimental analyses of a prototype 4 × (4 × 4) shared demultiplexer whose configuration is based on Littrow mounting. Experimental transmission performances demonstrate the feasibility of the proposed WDM access system.

© 2005 IEEE

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  1. N. Tokura, K. Oguchi and T. Kanada, "A broadband subscriber network using optical star couplers", in IEEE Global Telecommunications (GLOBECOM), Tokyo, Japan, 1987, pp. 1439-1443.
  2. I. V. de Voorde, M. O. van Deventer, P. J. M. Peters, P. Crahay, E. Jaunart, A. J. Phillips, J. M. Senior, X. Z. Qiu, J. Vandewege, J. J. M. Binsma and P. J. Vetter, "Network topologies for SuperPON", in Tech. Dig. Optical Fiber Communication (OFC), Dallas, TX, Feb. 1997, pp. 57-58.
  3. I. Yamashita, T. Matsumoto and N. Shibata, "Fiber-to the-home based on a PDS architecture", Opt. Fiber Technol., vol. 4, no. 2, pp. 189-203, 1998.
  4. G. Maier, M. Martinelli, A. Pattavina and E. Salvadori, "Design and cost performance of the multistage WDM-PON access networks", J. Lightw. Technol., vol. 18, no. 2, pp. 125-143, Feb. 2000.
  5. K. C. Reichmann, P. P. Iannone and N. J. Frigo, "Operational demonstration and filter alignment study of multiple broadcast video delivery on a WDM passive optical network", IEEE Photon. Technol. Lett., vol. 10, no. 9, pp. 1331-1333, Sep. 1998.
  6. T. Dudley, "Components and cost considerations for 10 Gbits/sec in the enterprise backbone", Lightwave, vol. 16, no. 3, p. 76, Mar. 1999.
  7. Z. Haas and M. A. Santoro, "A mode-filtering scheme for improvement of the bandwidth-distance product in multimode fiber systems", J. Lightw. Technol., vol. 11, no. 7, pp. 1125-1131, Jul. 1993.
  8. T. Shimada and N. Sakurai, "WDM access system using shared demultiplexer with MMF output", in European Conf. Optical Communication (ECOC), Rimini, Italy,Sep. 2003, pp. 510-511.
  9. E. Wolf, Progress in Optics, Amsterdam: The Netherlands: North Holland, 1965,vol. IV.
  10. M. S. D. Smith and K. A. Mcgreer, "Diffraction gratings utilizing total internal reflection facets in Littrow configuration", IEEE Photon. Technol. Lett., vol. 11, no. 1, pp. 84-86, Jan. 1999.
  11. M. Wu and Y. J. Chen, "Design considerations for Rowland circle gratings used in photonic integrated devices for WDM applications", J. Lightw. Technol., vol. 12, no. 11, pp. 1939-1942, Nov. 1994.
  12. J. N. McMullin, R. G. DeCorby and C. J. Haugen, "Theory and simulation of a concave diffraction grating demultiplexer for coarse WDM systems", J. Lightw. Technol., vol. 20, no. 4, pp. 758-765, Apr. 2002.
  13. E. G. Churin, P. Bayvel, J. E. Midwinter and A. M. Hill, "The influence of aperture size and shape on crosstalk level in free-space grating demultiplexers for WDM networks", IEEE Photon. Technol. Lett., vol. 8, no. 10, pp. 1337-1339, Oct. 1996.
  14. <corpauth></corpauth> ITU-T Recommendation G.983.3, "A Broadband Optical Access System With Increased Service Capability by Wavelength Allocation", 2001.

Other (14)

N. Tokura, K. Oguchi and T. Kanada, "A broadband subscriber network using optical star couplers", in IEEE Global Telecommunications (GLOBECOM), Tokyo, Japan, 1987, pp. 1439-1443.

I. V. de Voorde, M. O. van Deventer, P. J. M. Peters, P. Crahay, E. Jaunart, A. J. Phillips, J. M. Senior, X. Z. Qiu, J. Vandewege, J. J. M. Binsma and P. J. Vetter, "Network topologies for SuperPON", in Tech. Dig. Optical Fiber Communication (OFC), Dallas, TX, Feb. 1997, pp. 57-58.

I. Yamashita, T. Matsumoto and N. Shibata, "Fiber-to the-home based on a PDS architecture", Opt. Fiber Technol., vol. 4, no. 2, pp. 189-203, 1998.

G. Maier, M. Martinelli, A. Pattavina and E. Salvadori, "Design and cost performance of the multistage WDM-PON access networks", J. Lightw. Technol., vol. 18, no. 2, pp. 125-143, Feb. 2000.

K. C. Reichmann, P. P. Iannone and N. J. Frigo, "Operational demonstration and filter alignment study of multiple broadcast video delivery on a WDM passive optical network", IEEE Photon. Technol. Lett., vol. 10, no. 9, pp. 1331-1333, Sep. 1998.

T. Dudley, "Components and cost considerations for 10 Gbits/sec in the enterprise backbone", Lightwave, vol. 16, no. 3, p. 76, Mar. 1999.

Z. Haas and M. A. Santoro, "A mode-filtering scheme for improvement of the bandwidth-distance product in multimode fiber systems", J. Lightw. Technol., vol. 11, no. 7, pp. 1125-1131, Jul. 1993.

T. Shimada and N. Sakurai, "WDM access system using shared demultiplexer with MMF output", in European Conf. Optical Communication (ECOC), Rimini, Italy,Sep. 2003, pp. 510-511.

E. Wolf, Progress in Optics, Amsterdam: The Netherlands: North Holland, 1965,vol. IV.

M. S. D. Smith and K. A. Mcgreer, "Diffraction gratings utilizing total internal reflection facets in Littrow configuration", IEEE Photon. Technol. Lett., vol. 11, no. 1, pp. 84-86, Jan. 1999.

M. Wu and Y. J. Chen, "Design considerations for Rowland circle gratings used in photonic integrated devices for WDM applications", J. Lightw. Technol., vol. 12, no. 11, pp. 1939-1942, Nov. 1994.

J. N. McMullin, R. G. DeCorby and C. J. Haugen, "Theory and simulation of a concave diffraction grating demultiplexer for coarse WDM systems", J. Lightw. Technol., vol. 20, no. 4, pp. 758-765, Apr. 2002.

E. G. Churin, P. Bayvel, J. E. Midwinter and A. M. Hill, "The influence of aperture size and shape on crosstalk level in free-space grating demultiplexers for WDM networks", IEEE Photon. Technol. Lett., vol. 8, no. 10, pp. 1337-1339, Oct. 1996.

<corpauth></corpauth> ITU-T Recommendation G.983.3, "A Broadband Optical Access System With Increased Service Capability by Wavelength Allocation", 2001.

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