Influence of near-resonant self-phase modulation on pulse propagation in semiconductors

Siederdissen, Tilman Höner zu; Nielsen, Nils C.; Kühl, J.; Gießen, Harald

doi:10.1364/josab.23.001360

Cited by 8 publications

(5 citation statements)

References 15 publications

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“…Opposite signs of the chirp, caused by dispersion and the Kerr-like effect, imply that the pulse narrowing at high energies is in fact a manifestation of "soliton-like" propagation, similar to the one reported in Ref. 10.…”

Section: Pulse Propagation At Transparencysupporting

confidence: 82%

“…A similar Kerr-like effect in a bulk semiconductor was reported by Siederdissen et al to cause self-phase modulation, and to create "solitonlike" pulse-shapes, in combination with the linear dispersion 10 . This was followed by a microscopic model for pulse-envelope propagation in bulk semiconductor 13 and a similar model was also reported for quantum-well SOAs 14 .…”

Section: Qdsupporting

confidence: 72%

“…Zilkie et al showed that the TPA process is accompanied by a Kerr-like effect and produces an instantaneously appearing negative line-enhancement factor in QD SOAs when biased to absorption 9 . A similar Kerr-like effect in a bulk semiconductor was reported by Siederdissen et al to cause self-phase modulation, and to create "solitonlike" pulse-shapes, in combination with the linear dispersion 10 . Linear dispersion alone was measured, for example, in a QD SOA at 1.3 µm 11 .…”

Section: Introductionsupporting

confidence: 72%

“…This trend implies an instantaneous, intensity dependent, phase modulation, namely a Kerr-like effect. The presence of such a phenomenon has been reported in several past cases 9,10 in the context of TPA. Hence, we conclude that the observed effects are due to TPA (responsible for the intensity dependent absorption) with an accompanying Kerr-like effect.…”

Section: Pulse Propagation At Transparencymentioning

confidence: 73%

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Nonlinear pulse propagation in InAs/InP quantum dot optical amplifiers: Rabi oscillations in the presence of nonresonant nonlinearities

et al. 2015

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We study the interplay between coherent light-matter interactions and non-resonant pulse propagation effects when ultra-short pulses propagate in room-temperature quantum-dot (QD) semiconductor optical amplifiers (SOAs). The signatures observed on a pulse envelope after propagating in a transparent SOA, when coherent Rabioscillations are absent, highlight the contribution of two-photon absorption (TPA), and its accompanying Kerr-like effect, as well as of linear dispersion, to the modification of the pulse complex electric field profile. These effects are incorporated into our previously developed finite-difference time-domain comprehensive model that describes the interaction between the pulses and the QD SOA. The present, generalized, model is used to investigate the combined effect of coherent and nonresonant phenomena in the gain and absorption regimes of the QD SOA. It confirms that in the QD SOA we examined, linear dispersion in the presence of the Kerr-like effect causes pulse compression, which counteracts the pulse peak suppression due to TPA, and also modifies the patterns which the coherent Rabi-oscillations imprint on the pulse envelope under both gain and absorption conditions. The inclusion of these effects leads to a better fit with experiments and to a better understanding of the interplay among the various mechanisms so as to be able to better analyze more complex future experiments of coherent light-matter interaction induced by short pulses propagating along an SOA.

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Section: Pulse Propagation At Transparencysupporting

confidence: 82%

Section: Qdsupporting

confidence: 72%

Section: Introductionsupporting

confidence: 72%

Section: Pulse Propagation At Transparencymentioning

confidence: 73%

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Nonlinear pulse propagation in InAs/InP quantum dot optical amplifiers: Rabi oscillations in the presence of nonresonant nonlinearities

et al. 2015

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“…[2] In the SSFM scheme, the dispersion and nonlinearity were integrated respectively in each step and the accuracy of the global error was of the second-order. [8] While the accuracy could be improved by the symmetric split-step Fourier method (S-SSFM) [9][10][11][12][13] or high order split-step schemes such as the fourth-order scheme of Blow and Wood, [14] the global accuracy was not better than that of the nonlinear step integration. In order to further im-prove the accuracy, a number of methods have been developed: A Runge-Kutta in the interaction picture (RK4IP) method was extended to solve the GNLSE and stimulate the pulse propagation and supercontinuum generation in the optic fiber by Hult.…”

Section: Introductionmentioning

confidence: 99%

Coupled-generalized nonlinear Schrödinger equations solved by adaptive step-size methods in interaction picture

Lei¹,

Pan²,

Liu³

et al. 2023

Chinese Phys. B

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We have extended two adaptive step size methods for solving two-dimensional or multidimensional GNLSE: one is the conservation quantity error adaptive step control method (RK4IP-CQE) and the other is the local error adaptive step control method (RK4IP-LEM). The methods are developed on the vector form fourth-order Runge-Kutta iterative scheme in the interaction picture with converting a vector equation in frequency domain. By simulating the supercontinuum generation in the high birefringence photonic crystal fiber, the calculation accuracy and the efficiency of the two adaptive step size methods are discussed. The simulation results show that the two methods suffer the same global average error, while RK4IP-LEM consumes more time than RK4IP-CQE does. The reason for the huge calculation time reduction is due to the convergences differences of the relative photon number error and the approximated local error between these two adaptive step size algorithms.

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Effect of group velocity dispersion on femtosecond pulse evolution in quantum well waveguide structures

Koser¹,

Sen

Sen³

2009

Superlattices and Microstructures

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Influence of near-resonant self-phase modulation on pulse propagation in semiconductors

Cited by 8 publications

References 15 publications

Nonlinear pulse propagation in InAs/InP quantum dot optical amplifiers: Rabi oscillations in the presence of nonresonant nonlinearities

Nonlinear pulse propagation in InAs/InP quantum dot optical amplifiers: Rabi oscillations in the presence of nonresonant nonlinearities

Coupled-generalized nonlinear Schrödinger equations solved by adaptive step-size methods in interaction picture

Effect of group velocity dispersion on femtosecond pulse evolution in quantum well waveguide structures

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