Flat-Top Pulse Generation by the Optical Fourier Transform Technique for Ultrahigh Speed Signal Processing

This paper reports on the generation of 1.6-ps full-width 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 spec...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 2009-11, Vol.45 (11), p.1317-1324
Main Authors: Palushani, E., Oxenlowe, L.K., Galili, M., Mulvad, H., Clausen, A.T., Jeppesen, P.
Format: Article
Language:English
Subjects:
All-optical demultiplexing
Demultiplexing
Descriptions
flat-top pulse
Fourier transforms
High speed optical techniques
nonlinear optical switching
Nonlinear optics
Optical pulse generation
Optical pulse shaping
Optical pulses
Optical signal processing
Phase modulation
Pulse generation
pulse shaping
Quantum electronics
serial optical data communications
space-time duality
Spectra
Time measurements
Timing jitter
timing tolerance
Tolerances
Utilization
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Summary:This paper reports on the generation of 1.6-ps full-width 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.
ISSN:0018-9197
1558-1713
DOI:10.1109/JQE.2009.2028586