Coherent effects in the multimode dynamics of inhomogeneously broadened ring lasers

Prati, Franco; Pessina, E. M.; Valcárcel, Germán J. de; Roldán, Eugenio

doi:10.1016/j.optcom.2004.03.078

Cited by 6 publications

(3 citation statements)

References 20 publications

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“…Для среднедобротных мод, типичных для лазеров класса C, где, по определению, времена T 2 и T E не сильно различаются, когерентная динамика скорее имеет характер автомодуляции с периодом ∼ T E ∼ T 2 , обычно не приводит к изменению знака инверсии населенностей активной среды и не ведет к ярко выраженным импульсам излучения, подобным импульсам коллективного спонтанного излучения. Динамика таких лазеров изучалась экспериментально и численно в основном в случае небольшого неоднородного уширения 1/T * 2 ≤ 1/T 2 (см., например, [44][45][46][47][48][49]).…”

Section: численное моделирование многомодовой генерации лазеров в услunclassified

Особенности Одновременной Генерации Низко- И Высокодобротных Мод В Гетеролазерах На Квантовых Точках С Большим Временем Некогерентной Релаксации Оптических Дипольных Колебаний

Кочаровская¹,

Мишин²,

Рябинин³

et al. 2019

Физика И Техника Полупроводников

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We investigate the features of multimode steady-state generation of the superradiant heterolasers which have an active medium formed by the quantum dots with long incoherent relaxation time and a cavity of a combined Fabry-Perot type with a distributed feedback of the counter-propagating waves. We show that a quantum-coherent dynamics of the optical dipole oscillations and a population inversion of the working levels in an ensemble of the quantum dots with a strong inhomogeneous broadening of a spectral line may lead to a simultaneous lasing of modes with a various degree of phasing and/or correlation and with qualitatively different dynamical behavior, including quasi-stationary, metastable, self-modulated, pulsed-periodic, quasi-chaotic ones.

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Section: численное моделирование многомодовой генерации лазеров в услunclassified

Особенности Одновременной Генерации Низко- И Высокодобротных Мод В Гетеролазерах На Квантовых Точках С Большим Временем Некогерентной Релаксации Оптических Дипольных Колебаний

Кочаровская¹,

Мишин²,

Рябинин³

et al. 2019

Физика И Техника Полупроводников

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“…It is also known that cross-gain saturation between two laser modes favors the appearance of antiphase pulsations [25,[31][32][33][34][35][36]. These dissipative terms, accompanied by chromatic dispersion as well as self-and crossed-Kerr nonlinearities, make up one of the simplest vector model for dissipative nonlinear systems, namely the vector-CGLE.…”

Section: Modeling Vector Dynamics With Coupled Ginzburg-landau Eqmentioning

confidence: 99%

Dynamics of the transition from polarization disorder to antiphase polarization domains in vector fiber lasers

2014

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We demonstrate that nonlinear polarization coupling in a fiber ring laser without polarization-selective elements, subject to the effects of average anomalous dispersion, Kerr effect, and nonlinear gain saturation, can lead to the antisynchronization of spatiotemporal chaos into a wide variety of ordered laminar states of orthogonal polarization temporal domains. These antiphase polarization domains include stable lattices of soliton trains with high duty cycle at repetition rates of hundreds of MHz, as well as sparse trains of coupled dark and bright solitary waves.

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“…The effect of inhomogeneous broadening on singlemode [5][6][7][8][9][10][11], multi-longitudinal [12][13][14][15][16][17][18][19] and multitransverse [20,21] mode laser instabilities has been a subject of intense studies during the past decades. In particular, it was shown that inhomogeneous broadening can reduce the so-called second laser threshold as well as the Contribution to the Topical Issue "Non-Linear and Complex Dynamics in Semiconductors and Related Materials", edited by Kathy Lüdge.…”

Section: Introductionmentioning

confidence: 99%

Dynamics of an inhomogeneously broadened passively mode-locked laser

Pimenov

Vladimirov

2019

Eur. Phys. J. B

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We study theoretically the effect of inhomogeneous broadening of the gain and absorption lines on the dynamics of a passively mode-locked laser. Using numerical simulations of travelling wave equations, we demonstrate the formation of an instability of mode-locking regime and suppression of Q-switching in a laser with large inhomogeneous broadening. Moreover, we derive simplified delay-differential equation model for a mode-locked laser with inhomogeneously broadened gain and absorption lines and perform numerical bifurcation analysis of this model.

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Coherent effects in the multimode dynamics of inhomogeneously broadened ring lasers

Cited by 6 publications

References 20 publications

Dynamics of the transition from polarization disorder to antiphase polarization domains in vector fiber lasers

Dynamics of an inhomogeneously broadened passively mode-locked laser

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