Noise and regeneration in semiconductor waveguides with saturable gain and absorption

Filip Öhman, S. Bischoff, Bjarne Tromborg, Jesper Mørk

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

We have modeled the noise properties of a novel waveguide device with regenerative properties. The device consists of alternating sections of saturable gain and absorption, which give a nonlinear power transfer function. We investigate the relative intensity noise spectra and signal-to-noise ratio after the device by both a small-signal analysis and large-signal simulation, and we show that the gain saturation gives noise redistribution at the mark level. We also examine the influence of the nonlinearity on the noise probability density function and show that the standard approximations of Gaussian and noncentral>tex/tex
Original languageEnglish
JournalI E E E Journal of Quantum Electronics
Volume40
Issue number3
Pages (from-to)245-255
ISSN0018-9197
DOIs
Publication statusPublished - 2004

Bibliographical note

Copyright: 2004 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

Cite this

Öhman, Filip ; Bischoff, S. ; Tromborg, Bjarne ; Mørk, Jesper. / Noise and regeneration in semiconductor waveguides with saturable gain and absorption. In: I E E E Journal of Quantum Electronics. 2004 ; Vol. 40, No. 3. pp. 245-255.
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Noise and regeneration in semiconductor waveguides with saturable gain and absorption. / Öhman, Filip; Bischoff, S.; Tromborg, Bjarne; Mørk, Jesper.

In: I E E E Journal of Quantum Electronics, Vol. 40, No. 3, 2004, p. 245-255.

Research output: Contribution to journalJournal articleResearchpeer-review

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T1 - Noise and regeneration in semiconductor waveguides with saturable gain and absorption

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AU - Bischoff, S.

AU - Tromborg, Bjarne

AU - Mørk, Jesper

N1 - Copyright: 2004 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

PY - 2004

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AB - We have modeled the noise properties of a novel waveguide device with regenerative properties. The device consists of alternating sections of saturable gain and absorption, which give a nonlinear power transfer function. We investigate the relative intensity noise spectra and signal-to-noise ratio after the device by both a small-signal analysis and large-signal simulation, and we show that the gain saturation gives noise redistribution at the mark level. We also examine the influence of the nonlinearity on the noise probability density function and show that the standard approximations of Gaussian and noncentral>tex/tex

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