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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 23, Iss. 1 — Jan. 1, 2005
  • pp: 87–

High-Speed Optical FSK Modulator for Optical Packet Labeling

Tetsuya Kawanishi, Kaoru Higuma, Takahisa Fujita, Junichiro Ichikawa, Takahide Sakamoto, Satoshi Shinada, and Masayuki Izutsu

Journal of Lightwave Technology, Vol. 23, Issue 1, pp. 87- (2005)

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We described a novel optical label swapping (OLS) technique for optical packet systems using frequency-shift-keying (FSK) optical labeling. High-speed optical FSK signal can be generated by using an external FSK modulator consisting of four optical phase modulators. The FSK modulator was based on optical single-sideband (SSB) modulation technique, and comprised of traveling-wave electrodes for high-speed frequency switching. We demonstrate 10 Gbps FSK transmission, and simultaneous modulation by FSK and intensity modulation (IM). OLS using double-sideband modulation was also demonstrated, where this technique can be used for a bundled wavelength-domain-multiplexing (WDM) channels without using an array of pumping light sources.

© 2005 IEEE

Tetsuya Kawanishi, Kaoru Higuma, Takahisa Fujita, Junichiro Ichikawa, Takahide Sakamoto, Satoshi Shinada, and Masayuki Izutsu, "High-Speed Optical FSK Modulator for Optical Packet Labeling," J. Lightwave Technol. 23, 87- (2005)

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