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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 24, Iss. 1 — Jan. 1, 2006
  • pp: 22–

Bismuth-Oxide-Based Nonlinear Fiber With a High SBS Threshold and Its Application to Four-Wave-Mixing Wavelength Conversion Using a Pure Continuous-Wave Pump

Ju Han Lee, Tatsuo Nagashima, Tomoharu Hasegawa, Seiki Ohara, Naoki Sugimoto, and Kazuro Kikuchi

Journal of Lightwave Technology, Vol. 24, Issue 1, pp. 22- (2006)


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Abstract

The unique and practical benefits of the use of bismuth-oxide-based nonlinear fiber (Bi-NLF) in implementing a four-wave-mixing (FWM)-based wavelength converter for fiber-optic-communication-system applications are experimentally demonstrated. First, the Kerr-nonlinearity and stimulated-Brillouin-scattering (SBS) characteristics of our fabricated Bi-NLF are experimentally investigated. The Bi-NLF is found to have the superior advantage of a significantly high SBS threshold in addition to its ultrahigh Kerr nonlinearity \gamma of \sim 1100 W-1 · km-1, compared to the conventional silica-based highly nonlinear fiber. Next, the authors perform an experiment for the FWM-based wavelength conversion of a non-return-to-zero (NRZ) signal within a 40-cm length of the Bi-NLF fusion spliced to standard silica fibers by using a continuous-wave (CW) high-power pump beam. Error-free tunable wavelength conversion over a 10-nm bandwidth is readily achieved. No SBS-suppression scheme is employed for the pump due to the high SBS threshold, which simplifies the system configuration and improves the quality of the wavelength-converted signal.

© 2006 IEEE

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Citation
Ju Han Lee, Tatsuo Nagashima, Tomoharu Hasegawa, Seiki Ohara, Naoki Sugimoto, and Kazuro Kikuchi, "Bismuth-Oxide-Based Nonlinear Fiber With a High SBS Threshold and Its Application to Four-Wave-Mixing Wavelength Conversion Using a Pure Continuous-Wave Pump," J. Lightwave Technol. 24, 22- (2006)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-24-1-22

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