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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 31, Iss. 7 — Apr. 1, 2013
  • pp: 1106–1113

Generation of Time- and Wavelength-Interleaved Optical Pulse-Train With Tunable Pulsewidth Based on Dispersion and Sectional Compression

Jia Haur Wong, Huy Quoc Lam, Sheel Aditya, Peng Huei Lim, Kenneth Eng Kian Lee, Kan Wu, and Perry Ping Shum

Journal of Lightwave Technology, Vol. 31, Issue 7, pp. 1106-1113 (2013)

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We show analytically as well as experimentally a technique to generate a time- and wavelength interleaved optical pulse-train (TWIPT) with tunable pulsewidth. The technique involves dispersing an initial pulse-train using a standard single-mode-fiber (SMF) followed by sectional dispersion compensation using a tunable μlti-channel dispersion compensation module. Using an initial pulse-train with a fixed repetition frequency frep and a tunable μlti-channel dispersion compensation module with a fixed frequency spacing between the adjacent channels, our scheme shows that by choosing appropriate value for the length of the SMF, we can generate a N × frep TWIPT in the case when there are N channels within the bandwidth of the initial pulses. By tuning the channel dispersion to be the opposite of the dispersion introduced by the SMF, one is able to generate transform-limited pulsewidths for the TWIPT. Furthermore, tuning the channel dispersion to other values permits pulsewidth tunability. Based on the proposed scheme, using a 2 GHz supercontinuum source as an initial pulse-train, we demonstrate the generation of a 10 × 2 GHz TWIPT with pulsewidth tunability.

© 2013 IEEE

Jia Haur Wong, Huy Quoc Lam, Sheel Aditya, Peng Huei Lim, Kenneth Eng Kian Lee, Kan Wu, and Perry Ping Shum, "Generation of Time- and Wavelength-Interleaved Optical Pulse-Train With Tunable Pulsewidth Based on Dispersion and Sectional Compression," J. Lightwave Technol. 31, 1106-1113 (2013)

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