Abstract

This paper describes the technical issues of access and metro networks based on wavelength division multiplexing (WDM) technologies, some solutions, and an experimental demonstration. A WDM star access network with colorless optical network units (ONUs) is proposed. For realizing the colorless ONU, two approaches are introduced; optical carrier supply and spectrum slicing. In addition, a WDM metro ring network with scalable optical add/drop multiplexers (OADMs), namely the tapped-type OADM, is proposed to effectively accommodate the large amount of traffic issued from access networks. Prototypes are constructed and used to verify the feasibility of the proposed WDM technologies.

© 2004 IEEE

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  1. "Broadband Passive Optical Networks", ITU-T Recommendation G.983.3
  2. I. V. Voorde, C. M. Martin, J. Vandewege and X. Z. Qiu, "The superPON demonstrator: an explosion of possible evolution paths for optical access networks", IEEE Commun. Mag., pp. 74-82, Feb. 2000.
  3. J. Kani, M. Teshima, K. Akimoto, N. Takachio, H. Suzuki, K. Iwatsuki and M. Ishii, "A WDM-based optical access network for wide-area gigabit access services", IEEE Commun. Mag., vol. 41, pp. S43-S48, 2003.
  4. K. Akimoto, J. Kani, M. Teshima and K. Iwatsuki, "Gigabit WDM-PON system using spectrum-slicing technologies", in Proc. 29th Eur. Conf. Optical Communication (ECOC), Italy, Sept. 2003,Paper Th2.4.6.
  5. H. D. Kim, S. Kang and C. Lee, "A low-cost WDM source with an ASE injected Fabry-Perot semiconductor laser", IEEE Photon. Technol. Lett., vol. 12, pp. 1067-1069, Aug. 2000.
  6. M. Fujiwara, J. Kani, H. Suzuki, K. Araya and M. Teshima, "Flattened optical multicarrier generation of 12.5 GHz spaced 256 channels based on sinusoidal amplitude and phase hybrid modulation", Electron. Lett., vol. 37, pp. 967-968, 2001.
  7. M. Teshima, M. Fujiwara, J. Kani, H. Suzuki, M. Amemiya, N. Takachio and K. Iwatsuki, "Optical carrier supply module applicable to over 100 super-dense WDM systems of 1000 channels", in Proc. 27th Eur. Conf. Optical Communication (ECOC), The Netherlands, Oct. 2001,Paper Mo.L.3-7.
  8. H. Suzuki, M. Fujiwara, M. Teshima and K. Iwatsuki, "Prototype of 12.5-GHz-spaced tapped-type OADM for DWDM metro ring networks", in Proc. 29th Eur. Conf. Optical Communicaiton (ECOC), Italy, Sept. 2003, Paper Th1.4.5.
  9. M. Fujiwara, M. Teshima, H. Suzuki and K. Iwatsuki, "Novel polarization scrambling technique for carrier-distributed WDM networks", in Proc. 28th Eur. Conf. Optical Communication (ECOC), Denmark, Sept. 2002, Paper 10.6.4.

Other

"Broadband Passive Optical Networks", ITU-T Recommendation G.983.3

I. V. Voorde, C. M. Martin, J. Vandewege and X. Z. Qiu, "The superPON demonstrator: an explosion of possible evolution paths for optical access networks", IEEE Commun. Mag., pp. 74-82, Feb. 2000.

J. Kani, M. Teshima, K. Akimoto, N. Takachio, H. Suzuki, K. Iwatsuki and M. Ishii, "A WDM-based optical access network for wide-area gigabit access services", IEEE Commun. Mag., vol. 41, pp. S43-S48, 2003.

K. Akimoto, J. Kani, M. Teshima and K. Iwatsuki, "Gigabit WDM-PON system using spectrum-slicing technologies", in Proc. 29th Eur. Conf. Optical Communication (ECOC), Italy, Sept. 2003,Paper Th2.4.6.

H. D. Kim, S. Kang and C. Lee, "A low-cost WDM source with an ASE injected Fabry-Perot semiconductor laser", IEEE Photon. Technol. Lett., vol. 12, pp. 1067-1069, Aug. 2000.

M. Fujiwara, J. Kani, H. Suzuki, K. Araya and M. Teshima, "Flattened optical multicarrier generation of 12.5 GHz spaced 256 channels based on sinusoidal amplitude and phase hybrid modulation", Electron. Lett., vol. 37, pp. 967-968, 2001.

M. Teshima, M. Fujiwara, J. Kani, H. Suzuki, M. Amemiya, N. Takachio and K. Iwatsuki, "Optical carrier supply module applicable to over 100 super-dense WDM systems of 1000 channels", in Proc. 27th Eur. Conf. Optical Communication (ECOC), The Netherlands, Oct. 2001,Paper Mo.L.3-7.

H. Suzuki, M. Fujiwara, M. Teshima and K. Iwatsuki, "Prototype of 12.5-GHz-spaced tapped-type OADM for DWDM metro ring networks", in Proc. 29th Eur. Conf. Optical Communicaiton (ECOC), Italy, Sept. 2003, Paper Th1.4.5.

M. Fujiwara, M. Teshima, H. Suzuki and K. Iwatsuki, "Novel polarization scrambling technique for carrier-distributed WDM networks", in Proc. 28th Eur. Conf. Optical Communication (ECOC), Denmark, Sept. 2002, Paper 10.6.4.

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