Flat-top pulse generation by the optical Fourier transform technique for ultrahigh speed signal processing

Evarist Palushani, Leif Katsuo Oxenløwe, Michael Galili, Hans Christian Hansen Mulvad, Anders Clausen, Palle Jeppesen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

This paper reports on the generation of 1.6-ps fullwidth at half-maximum flat-top pulses by the optical Fourier transform technique, and the utilization of these pulses in a 320-Gb/s demultiplexing experiment. It is demonstrated how a narrow pulse having a 15-nm wide third-order super-Gaussian spectral intensity profile is mapped into a flat-top pulse resembling its spectrum by simple propagation in SMF. Theoretical and experimental descriptions are given on flat-top pulse generation, and an experimental validation of the systems performance of the pulses is carried out, demonstrating a benefit in terms of timing tolerance.
Original languageEnglish
JournalI E E E Journal of Quantum Electronics
Volume45
Issue number11
Pages (from-to)1317-1324
ISSN0018-9197
DOIs
Publication statusPublished - 2009

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