Optimisation of optical bandpass filters for all-optical wavelength conversion using genetic algorithms

J. Molina Vázquez, Z. Li, Y. Liu, E. Tangdiongga, S. Zhang, D. Lenstra, G.D. Khoe, H.J.S. Dorren

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

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We propose using genetic algorithms to numerically optimize optical band-pass filters (OBFs) for inverted and noninverted wavelength conversion based on semiconductor optical amplifiers. A fourth order Hermite-Gaussian sum series is used to describe the filter transfer function. Signal eye openings greater than 30 dB are obtained for both inverted and noninverted output signals. The dependence of the eye opening, overshoot and pulse amplitude fluctuation on variations in the filter center frequency and bandwidth is explored. We find that for an optimized eye opening in the noninverted signal the filter should be detuned towards lower frequency with respect to the probe frequency. Finally, we show that the optimum filter transfer function obtained with the genetic algorithm can be approximated with good agreement using an asymmetric Mach-Zehnder interferometer combined with a Gaussian OBF
Originele taal-2Engels
Pagina's (van-tot)57-64
Aantal pagina's8
TijdschriftIEEE Journal of Quantum Electronics
Volume24
Nummer van het tijdschrift1
DOI's
StatusGepubliceerd - 2007

Vingerafdruk

Optical frequency conversion
Optical filters
Bandpass filters
bandpass filters
genetic algorithms
Transfer functions
Genetic algorithms
filters
optimization
Mach-Zehnder interferometers
Semiconductor optical amplifiers
wavelengths
transfer functions
Bandwidth
pulse amplitude
light amplifiers
low frequencies
bandwidth
probes
output

Citeer dit

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title = "Optimisation of optical bandpass filters for all-optical wavelength conversion using genetic algorithms",
abstract = "We propose using genetic algorithms to numerically optimize optical band-pass filters (OBFs) for inverted and noninverted wavelength conversion based on semiconductor optical amplifiers. A fourth order Hermite-Gaussian sum series is used to describe the filter transfer function. Signal eye openings greater than 30 dB are obtained for both inverted and noninverted output signals. The dependence of the eye opening, overshoot and pulse amplitude fluctuation on variations in the filter center frequency and bandwidth is explored. We find that for an optimized eye opening in the noninverted signal the filter should be detuned towards lower frequency with respect to the probe frequency. Finally, we show that the optimum filter transfer function obtained with the genetic algorithm can be approximated with good agreement using an asymmetric Mach-Zehnder interferometer combined with a Gaussian OBF",
author = "{Molina V{\'a}zquez}, J. and Z. Li and Y. Liu and E. Tangdiongga and S. Zhang and D. Lenstra and G.D. Khoe and H.J.S. Dorren",
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Optimisation of optical bandpass filters for all-optical wavelength conversion using genetic algorithms. / Molina Vázquez, J.; Li, Z.; Liu, Y.; Tangdiongga, E.; Zhang, S.; Lenstra, D.; Khoe, G.D.; Dorren, H.J.S.

In: IEEE Journal of Quantum Electronics, Vol. 24, Nr. 1, 2007, blz. 57-64.

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

TY - JOUR

T1 - Optimisation of optical bandpass filters for all-optical wavelength conversion using genetic algorithms

AU - Molina Vázquez, J.

AU - Li, Z.

AU - Liu, Y.

AU - Tangdiongga, E.

AU - Zhang, S.

AU - Lenstra, D.

AU - Khoe, G.D.

AU - Dorren, H.J.S.

PY - 2007

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AB - We propose using genetic algorithms to numerically optimize optical band-pass filters (OBFs) for inverted and noninverted wavelength conversion based on semiconductor optical amplifiers. A fourth order Hermite-Gaussian sum series is used to describe the filter transfer function. Signal eye openings greater than 30 dB are obtained for both inverted and noninverted output signals. The dependence of the eye opening, overshoot and pulse amplitude fluctuation on variations in the filter center frequency and bandwidth is explored. We find that for an optimized eye opening in the noninverted signal the filter should be detuned towards lower frequency with respect to the probe frequency. Finally, we show that the optimum filter transfer function obtained with the genetic algorithm can be approximated with good agreement using an asymmetric Mach-Zehnder interferometer combined with a Gaussian OBF

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