Journal ArticleDOI
Four-wave mixing among short optical pulses in semiconductor optical amplifiers
TLDR
In this article, the authors describe the dependence of four-wave mixing conversion efficiency among short optical pulses in a semiconductor optical amplifier and show a strong dependence on pulse shape and pulse overlap.Abstract:
We describe the dependence of four-wave mixing conversion efficiency among short optical pulses in a semiconductor optical amplifier We show a strong dependence on pulse shape and pulse overlap, predicted theoretically and confirmed in experiments >read more
Citations
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Journal ArticleDOI
Saturation effects in nondegenerate four-wave mixing between short optical pulses in semiconductor laser amplifiers
Antonio Mecozzi,Jesper Mørk +1 more
TL;DR: In this article, the authors present a simple, yet powerful method for calculating nonlinear pulse propagation and pulse interaction in active semiconductor waveguides based on the density matrix equations, which under realistic operation conditions are shown to lead to an accurate description of the material gain, that includes the dynamics of carrier heating and spectral-hole burning.
Journal ArticleDOI
Four-wave mixing in semiconductor optical amplifiers for frequency conversion and fast optical switching
Stefan Diez,C. Schmidt,Reinhold Ludwig,H. G. Weber,K. Obermann,S. Kindt,I. Koltchanov,Klaus Petermann +7 more
TL;DR: In this paper, the authors define general parameters that are of relevance for signal processing applications and show how basic experiments and general simulation procedures can be used to determine optimum operating conditions for the intended applications.
Journal ArticleDOI
Saturation induced by picosecond pulses in semiconductor optical amplifiers
Antonio Mecozzi,Jesper Mørk +1 more
TL;DR: In this paper, the effect of carrier heating and spectral-hole burning on the amplification of picosecond pulses in a semiconductor optical amplifier was studied, and an analytical expression for the amplifier output was derived for a given bit-width input, where the critical pulse width ranges from a few seconds to 20 ps in most cases.
Journal ArticleDOI
Wavelength conversion for WDM communication systems using four-wave mixing in semiconductor optical amplifiers
TL;DR: In this paper, a series of systems experiments evaluating several aspects of the performance of these devices at bit rates of 2.5 and 10 Gb/s are presented, including single-channel conversion over 18 nm of shift at 10 GHz, multichannel conversion, and cascaded conversions.
Journal ArticleDOI
Analysis of basic four-wave mixing characteristics in a semiconductor optical amplifier by the finite-difference beam propagation method
TL;DR: In this article, the nonlinear propagation equation taking into account gain spectrum dynamic gain saturation which depends on carrier depression, carrier heating, and spectral hole-burning, group velocity dispersion, self-phase modulation, and two-photon absorption was analyzed.
References
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Journal ArticleDOI
Self-phase modulation and spectral broadening of optical pulses in semiconductor laser amplifiers
Govind P. Agrawal,N.A. Olsson +1 more
TL;DR: In this paper, the effect of the shape and the initial frequency chirp of input pulses on shape and spectrum of amplified pulses is discussed in detail and the case in which the input pulsewidth is comparable to the carrier lifetime so that the saturated gain has time to recover partially before the trailing edge of the pulse arrives.
Journal ArticleDOI
Population pulsations and nondegenerate four-wave mixing in semiconductor lasers and amplifiers
TL;DR: In this article, the authors studied the physical processes that lead to population pulsations in nearly degenerate four-wave mixing, and showed that the gain and the index grating contribute to NDFWM.
Journal ArticleDOI
Observation of highly nondegenerate four-wave mixing in 1.5 mu m traveling-wave semiconductor optical amplifiers and estimation of nonlinear gain coefficient
TL;DR: In this article, the nonlinear gain coefficient epsilon, which induces a gain grating through the pump-probe beating, is estimated to be 1.75*10/sup -23/ m/sup 3/m/sup 4.
Journal ArticleDOI
Analytical theory of four-wave mixing in semiconductor amplifiers.
TL;DR: The analytical theory of four-wave mixing in semiconductor amplifiers is developed and the conversion efficiency is the maximum at a total input power that produces a gain compression of e(-2) (approximately -9 dB), independently of the physical parameters of the amplifier.
Journal ArticleDOI
Analytical solution of wave mixing between short optical pulses in a semiconductor optical amplifier
Mark Shtaif,Gadi Eisenstein +1 more
TL;DR: An analytical solution to the problem of nondegenerate four-wave mixing in a semiconductor optical amplifier emphasizing operation with short optical pulses is described in this article, where conditions for optimum conversion efficiencies in terms of the pump input energy and the relative temporal alignment between the pulses are presented.
Related Papers (5)
Analytical solution of wave mixing between short optical pulses in a semiconductor optical amplifier
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Self-phase modulation and spectral broadening of optical pulses in semiconductor laser amplifiers
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Saturation effects in nondegenerate four-wave mixing between short optical pulses in semiconductor laser amplifiers
Antonio Mecozzi,Jesper Mørk +1 more