Abstract

The functionality of optical modulation format conversion and wavelength conversion will be needed in next-generation wavelength routers. This paper describes a new approach for return-to-zero to nonreturn-to-zero format conversion using a birefringent fiber and an injection-locked Fabry-Pérot laser diode. This paper also describes the demonstration of an all-optical multicaster based on a similar technique. Error-free operations were confirmed in the format converted and in every channel of the 8 x 10-Gb/s multicast outputs.

© 2004 IEEE

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  1. H. Sunnerud, M. Karlsson and P. A. Andrekson, "A comparison between NRZ and RZ data formats with respect to PMD-induced system degradation", IEEE Photon. Technol. Lett., vol. 13, pp. 448-450, May 2001.
  2. G. Mohs, C. Furst, H. Geiger and G. Fischer, "Advantages of nonlinear RZ over NRZ on 10 Gb/s single-span links", in Proc. Optical Fiber Communication Conf. (OFC'00), vol. 4, Mar. 2000, pp. 35- 37.
  3. G. Bosco, A. Carena, V. Curri, R. Gaudino and P. Poggiolini, "On the use of NRZ, RZ and CSRZ modulation at 40 Gb/s with narrow DWDM channel spacing", J. Lightwave Technol., vol. 20, pp. 1694-1704, Sept. 2002.
  4. D. Norte and A. E. Willner, "All-optical data format conversions and reconversions between the wavelength and time domains for dynamically reconfigurable WDM networks", J. Lightwave Technol., vol. 14, pp. 1170-1182, June 1996 .
  5. K. C. Lee and V. O. K. Li, "A wavelength-convertible optical network", J. Lightwave Technol., vol. 11, pp. 962-970, May 1993.
  6. C. S. Wong and H. K. Tsang, "Polarization-independent time-division demultiplexing using orthogonal-pumps four-wave mixing", IEEE Photonics Technol. Lett., vol. 15, pp. 129-131, Jan. 2003.
  7. T. K. Liang, H. K. Tsang, C. S. Wong and C. Shu, "All-optical time-division demultiplexing with polarization-diversity nonlinear loop interferometer", Optics Express, vol. 11, pp. 2047-2052, Aug. 2003.
  8. P. S. Cho, D. Mahgerefteh and J. Goldhar, "10 Gb/s RZ to NRZ format conversion using a semiconductor-optical-amplifier/fiber-Bragg-grating wavelength converter", in Proc. Eur. Conf. Optical Communication (ECOC'98) , vol. 1, Sept. 1998, pp. 353-354.
  9. H. J. Lee, S. J. B. Yoo and C. S. Park, "Novel all-optical 10 Gbp/s RZ-to-NRZ conversion using SOA-loop-mirror", in Proc. Optical Fiber Communication Conf. (OFC'01), vol. 1, 2001, pp. MB7-1-MB7-3.
  10. S. Bigo, E. Desurvire and B. Desruelle, "All-optical RZ-to-NRZ format conversion at 10 Gbit/s with nonlinear optical loop mirror", Electron. Lett., vol. 30, pp. 1868-1869, Oct. 1994.
  11. L. Xu, B. C. Wang, V. Baby, I. Glesk and P. R. Prucnal, "Performance-improved all-optical RZ to NRZ format conversion using duplicator and wavelength converter", Opt. Commun. , vol. 206, pp. 77-80, 2002.
  12. L. Xu, B. C. Wang, V. Baby, I. Glesk and P. R. Prucnal, "All-optical data format conversion between RZ and NRZ based on a Mach-Zehnder interferometric wavelength converter", IEEE Photon. Technol. Lett., vol. 15, pp. 308 -310, Feb. 2003.
  13. C. W. Chow, C. S. Wong and H. K. Tsang, "All-optical RZ to NRZ data format and wavelength conversion using an injection locked laser", Opt. Commun., vol. 223, pp. 309-313, 2003.
  14. C. W. Chow, C. S. Wong and H. K. Tsang, "All-optical data-format and wavelength conversion in two-wavelength injection locked slave Fabry-Perot laser diodes", Electron. Lett., vol. 39, pp. 997-999, 2003.
  15. C. W. Chow, C. S. Wong and H. K. Tsang, "All-optical NRZ to RZ format and wavelength converter by dual-wavelength injection locking", Opt. Commun., vol. 209, pp. 329-334, 2002.
  16. H. K. Tsang, M. W. K. Mak, C. Shu, K. K. Chow and F. Tong, "All-optical wavelength conversion using active semiconductor devices", in Proc. SPIE, vol. 4532, 2001, pp. 93-100.
  17. S. Gao, X. Jia, X. Hu and D. Li, "Wavelength requirements and routing for multicasting connections in lightpath and light-tree models of WDM networks with limited drops", in Proc. Inst. Elect. Eng. Communication, vol. 148, Dec. 2001, pp. 363-367.
  18. R. K. Pankaj, "Wavelength requirements for multicasting in all-optical networks", IEEE/ACM Trans. Networking, vol. 7, pp. 414-424, June 1999.
  19. K. K. Chow and C. Shu, "All-optical wavelength conversion with multicasting at 6 x 10 Gbit/s using electroabsorption modulator", Electron. Lett., vol. 39, pp. 1395-1397, Sept. 2003 .
  20. R. Lang, "Injection locking properties of a semiconductor laser", IEEE J. Quantum Electron., vol. 18, pp. 976-983, June 1982 .
  21. L. Y. Chan, W. H. Chung, P. K. A. Wai, B. Moses, H. Y. Tam and M. S. Demokan, "Simultaneous repolarization of two 10-Gb/s polarization-scrambled wavelength channels using a mutual-injection-locked laser diode", IEEE Photon. Technol. Lett., vol. 14, pp. 1740 -1742, Dec. 2002.
  22. T. Saitoh and S. Kinugawa, "Magnetic field rotating-type Faraday polarization controller", IEEE Photon. Technol. Lett., vol. 15, pp. 1404 -1406, Oct. 2003.

J. Lightwave Technol. (3)

D. Norte and A. E. Willner, "All-optical data format conversions and reconversions between the wavelength and time domains for dynamically reconfigurable WDM networks", J. Lightwave Technol., vol. 14, pp. 1170-1182, June 1996 .

K. C. Lee and V. O. K. Li, "A wavelength-convertible optical network", J. Lightwave Technol., vol. 11, pp. 962-970, May 1993.

G. Bosco, A. Carena, V. Curri, R. Gaudino and P. Poggiolini, "On the use of NRZ, RZ and CSRZ modulation at 40 Gb/s with narrow DWDM channel spacing", J. Lightwave Technol., vol. 20, pp. 1694-1704, Sept. 2002.

Optics Express (1)

T. K. Liang, H. K. Tsang, C. S. Wong and C. Shu, "All-optical time-division demultiplexing with polarization-diversity nonlinear loop interferometer", Optics Express, vol. 11, pp. 2047-2052, Aug. 2003.

Other (18)

P. S. Cho, D. Mahgerefteh and J. Goldhar, "10 Gb/s RZ to NRZ format conversion using a semiconductor-optical-amplifier/fiber-Bragg-grating wavelength converter", in Proc. Eur. Conf. Optical Communication (ECOC'98) , vol. 1, Sept. 1998, pp. 353-354.

H. J. Lee, S. J. B. Yoo and C. S. Park, "Novel all-optical 10 Gbp/s RZ-to-NRZ conversion using SOA-loop-mirror", in Proc. Optical Fiber Communication Conf. (OFC'01), vol. 1, 2001, pp. MB7-1-MB7-3.

S. Bigo, E. Desurvire and B. Desruelle, "All-optical RZ-to-NRZ format conversion at 10 Gbit/s with nonlinear optical loop mirror", Electron. Lett., vol. 30, pp. 1868-1869, Oct. 1994.

L. Xu, B. C. Wang, V. Baby, I. Glesk and P. R. Prucnal, "Performance-improved all-optical RZ to NRZ format conversion using duplicator and wavelength converter", Opt. Commun. , vol. 206, pp. 77-80, 2002.

L. Xu, B. C. Wang, V. Baby, I. Glesk and P. R. Prucnal, "All-optical data format conversion between RZ and NRZ based on a Mach-Zehnder interferometric wavelength converter", IEEE Photon. Technol. Lett., vol. 15, pp. 308 -310, Feb. 2003.

C. W. Chow, C. S. Wong and H. K. Tsang, "All-optical RZ to NRZ data format and wavelength conversion using an injection locked laser", Opt. Commun., vol. 223, pp. 309-313, 2003.

C. W. Chow, C. S. Wong and H. K. Tsang, "All-optical data-format and wavelength conversion in two-wavelength injection locked slave Fabry-Perot laser diodes", Electron. Lett., vol. 39, pp. 997-999, 2003.

C. W. Chow, C. S. Wong and H. K. Tsang, "All-optical NRZ to RZ format and wavelength converter by dual-wavelength injection locking", Opt. Commun., vol. 209, pp. 329-334, 2002.

H. K. Tsang, M. W. K. Mak, C. Shu, K. K. Chow and F. Tong, "All-optical wavelength conversion using active semiconductor devices", in Proc. SPIE, vol. 4532, 2001, pp. 93-100.

S. Gao, X. Jia, X. Hu and D. Li, "Wavelength requirements and routing for multicasting connections in lightpath and light-tree models of WDM networks with limited drops", in Proc. Inst. Elect. Eng. Communication, vol. 148, Dec. 2001, pp. 363-367.

R. K. Pankaj, "Wavelength requirements for multicasting in all-optical networks", IEEE/ACM Trans. Networking, vol. 7, pp. 414-424, June 1999.

K. K. Chow and C. Shu, "All-optical wavelength conversion with multicasting at 6 x 10 Gbit/s using electroabsorption modulator", Electron. Lett., vol. 39, pp. 1395-1397, Sept. 2003 .

R. Lang, "Injection locking properties of a semiconductor laser", IEEE J. Quantum Electron., vol. 18, pp. 976-983, June 1982 .

L. Y. Chan, W. H. Chung, P. K. A. Wai, B. Moses, H. Y. Tam and M. S. Demokan, "Simultaneous repolarization of two 10-Gb/s polarization-scrambled wavelength channels using a mutual-injection-locked laser diode", IEEE Photon. Technol. Lett., vol. 14, pp. 1740 -1742, Dec. 2002.

T. Saitoh and S. Kinugawa, "Magnetic field rotating-type Faraday polarization controller", IEEE Photon. Technol. Lett., vol. 15, pp. 1404 -1406, Oct. 2003.

H. Sunnerud, M. Karlsson and P. A. Andrekson, "A comparison between NRZ and RZ data formats with respect to PMD-induced system degradation", IEEE Photon. Technol. Lett., vol. 13, pp. 448-450, May 2001.

G. Mohs, C. Furst, H. Geiger and G. Fischer, "Advantages of nonlinear RZ over NRZ on 10 Gb/s single-span links", in Proc. Optical Fiber Communication Conf. (OFC'00), vol. 4, Mar. 2000, pp. 35- 37.

C. S. Wong and H. K. Tsang, "Polarization-independent time-division demultiplexing using orthogonal-pumps four-wave mixing", IEEE Photonics Technol. Lett., vol. 15, pp. 129-131, Jan. 2003.

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