Abstract

New designs of o ptical fibers are widely used in dispersion compensating module (DCM) inserted in optical links to improve the bit rate. Dual concentric core fibers (DCCFs) can exhibit a very large negative dispersion coefficient and a large figure of merit well suited for DCM applications. However, these fibers intrinsically propagate two supermodes. So a selective injection of the mode of the central elementary guide of DCCF can be realized by the input connection with a single-mode fiber to obtain a negative dispersion. In this paper, we demonstrate theoretically and confirm experimentally the impact of this particular injection. The complete association of a DCCF connected on each end with single-mode fibers, corresponding at a DCM, is studied. A new definition of the chromatic dispersion (CD) for a DCM based on the phase delay method is established. The corresponding curve presents two symmetric maxima and becomes null at the phase matching wavelength. Experimental verification is presented and the influence of the optogeometrical parameters on the evolution of the CD is also discussed.

© 2006 IEEE

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  1. F. Gérôme, J. L. Auguste, S. Février, J. Maury, J. M. Blondy, L. Gasca and L. Provost, "Dual concentric core dispersion compensating fibre optimised for WDM application", Electron. Lett., vol. 41, no. 3, pp. 116-117, Feb. 2005.
  2. L. Grüner-Nielsen, S. N. Kudsen, B. Edvold, T. Veng, D. Magnussen, C. C. Larsen and H. Damsgaard, "Dispersion compensating fibers", Opt. Fiber Technol., vol. 6, no. 2, pp. 164-180, Apr. 2000.
  3. J. L. Auguste, J. M. Blondy, J. Maury, J. Marcou, B. Dussardier, G. Monnom, R. Jindal, K. Thyagarajan and B. P. Pal, "Conception, realization and characterization of a very high negative chromatic dispersion fiber", Opt. Fiber Technol., vol. 8, no. 1, pp. 89-105, Jan. 2002.
  4. U. Peschel, T. Peschel and F. Lederer, "A compact device for highly efficient dispersion compensation in fiber transmission", Appl. Phys. Lett., vol. 67, no. 15, pp. 2111-2113, Oct. 1995.
  5. K. Thyagarajan, R. K. Varshney, P. Palai, A. K. Ghatak and I. C. Goyal, "A novel design of a dispersion compensating fiber", IEEE Photon. Technol. Lett., vol. 8, no. 11, pp. 1510-1512, Nov. 1996.
  6. A. J. Antos and D. K. Smith, "Design and characterization of dispersion compensating fiber based on the LP01 mode", J. Lightw. Technol., vol. 12, no. 10, pp. 1739-1745, Oct. 1994.
  7. K. Mukasa and T. Yagi, "Dispersion flat and low non-linear optical link with new type of reverse dispersion fiber (RDF-60)", in Proc. Optical Fiber Communication (OFC), Anaheim, CA, pp. TuH7-1-TuH7-3.
  8. V. M. Schneider and J. A. West, "Analysis of wideband dispersion slope compensating optical fibres by supermode theory", Electron. Lett., vol. 38, no. 7, pp. 306-307, Mar. 2002.
  9. J. R. Cozens and A. C. Boucouvalas, "Coaxial optical coupler", Electron. Lett., vol. 18, no. 3, pp. 138-140, Jul. 1982.
  10. A. C. Boucouvalas, "Coaxial optical fiber coupling", J. Lightw. Technol., vol. LT-3, no. 5, pp. 1151-1158, Oct. 1985.

  11. V. M. Schneider, "Effects of temperature on dispersion of high slope dispersion compensating fibres", Electron. Lett., vol. 37, no. 17, pp. 1069-1070, Aug. 2001.
  12. F. Gérôme, J. L. Auguste and J. M. Blondy, "Design of dispersion-compensating fibers based on a dual-concentric-core photonic crystal fiber", Opt. Lett., vol. 29, no. 23, pp. 2725-2727, Dec. 2004.

Other

F. Gérôme, J. L. Auguste, S. Février, J. Maury, J. M. Blondy, L. Gasca and L. Provost, "Dual concentric core dispersion compensating fibre optimised for WDM application", Electron. Lett., vol. 41, no. 3, pp. 116-117, Feb. 2005.

L. Grüner-Nielsen, S. N. Kudsen, B. Edvold, T. Veng, D. Magnussen, C. C. Larsen and H. Damsgaard, "Dispersion compensating fibers", Opt. Fiber Technol., vol. 6, no. 2, pp. 164-180, Apr. 2000.

J. L. Auguste, J. M. Blondy, J. Maury, J. Marcou, B. Dussardier, G. Monnom, R. Jindal, K. Thyagarajan and B. P. Pal, "Conception, realization and characterization of a very high negative chromatic dispersion fiber", Opt. Fiber Technol., vol. 8, no. 1, pp. 89-105, Jan. 2002.

U. Peschel, T. Peschel and F. Lederer, "A compact device for highly efficient dispersion compensation in fiber transmission", Appl. Phys. Lett., vol. 67, no. 15, pp. 2111-2113, Oct. 1995.

K. Thyagarajan, R. K. Varshney, P. Palai, A. K. Ghatak and I. C. Goyal, "A novel design of a dispersion compensating fiber", IEEE Photon. Technol. Lett., vol. 8, no. 11, pp. 1510-1512, Nov. 1996.

A. J. Antos and D. K. Smith, "Design and characterization of dispersion compensating fiber based on the LP01 mode", J. Lightw. Technol., vol. 12, no. 10, pp. 1739-1745, Oct. 1994.

K. Mukasa and T. Yagi, "Dispersion flat and low non-linear optical link with new type of reverse dispersion fiber (RDF-60)", in Proc. Optical Fiber Communication (OFC), Anaheim, CA, pp. TuH7-1-TuH7-3.

V. M. Schneider and J. A. West, "Analysis of wideband dispersion slope compensating optical fibres by supermode theory", Electron. Lett., vol. 38, no. 7, pp. 306-307, Mar. 2002.

J. R. Cozens and A. C. Boucouvalas, "Coaxial optical coupler", Electron. Lett., vol. 18, no. 3, pp. 138-140, Jul. 1982.

A. C. Boucouvalas, "Coaxial optical fiber coupling", J. Lightw. Technol., vol. LT-3, no. 5, pp. 1151-1158, Oct. 1985.


V. M. Schneider, "Effects of temperature on dispersion of high slope dispersion compensating fibres", Electron. Lett., vol. 37, no. 17, pp. 1069-1070, Aug. 2001.

F. Gérôme, J. L. Auguste and J. M. Blondy, "Design of dispersion-compensating fibers based on a dual-concentric-core photonic crystal fiber", Opt. Lett., vol. 29, no. 23, pp. 2725-2727, Dec. 2004.

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