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Optica Publishing Group
  • Journal of the Optical Society of Korea
  • Vol. 8,
  • Issue 1,
  • pp. 29-33
  • (2004)

High Repetition Rate Optical Pulse Multiplication with Cascaded Long-period Fiber Gratings

Open Access Open Access

Abstract

We propose and demonstrate a novel optical pulse multiplier applicable to OTDM (Optical Time Division Multiplexing) systems using cascaded long-period fiber gratings. We have exploited the fact that each mode in a fiber has a different propagation constant to obtain time delays among optical pulses. The proposed scheme could realize high-frequency optical pulse multiplication for optical short pulse trains. We have successfully implemented two, four, and eight times multiplications with the maximum repetition rate of 416.7 ㎓. The obtained pulse delays are well matched with the simulated ones.

© 2004 Optical Society of Korea

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