Multimode lasing in two-dimensional fully chaotic cavity lasers

Sunada, Satoshi; Harayama, Takahisa; Ikeda, Kensuke S.

doi:10.1103/physreve.71.046209

Cited by 27 publications

(28 citation statements)

References 13 publications

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“…However, the asymmetry becomes prominent when the number of such a mode is relatively small [55]. For the 500-mA pumping we can identify many modes with significant intensities in the lasing spectrum shown in Fig.…”

Section: Emission Characteristicsmentioning

confidence: 85%

Chaos-assisted emission from asymmetric resonant cavity microlasers

et al. 2011

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We study emission from quasi-one-dimensional modes of an asymmetric resonant cavity that are associated with a stable periodic ray orbit confined inside the cavity by total internal reflection. It is numerically demonstrated that such modes exhibit directional emission, which is explained by chaos-assisted emission induced by dynamical tunneling. Fabricating semiconductor microlasers with the asymmetric resonant cavity, we experimentally demonstrate the selective excitation of the quasi-one-dimensional modes by employing the device structure to preferentially inject currents to these modes and observe directional emission in good accordance with the theoretical prediction based on chaos-assisted emission.Comment: 9 pages, 10 figures, some figures are in reduced qualit

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Section: Emission Characteristicsmentioning

confidence: 85%

Chaos-assisted emission from asymmetric resonant cavity microlasers

et al. 2011

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“…When the cavity size is large and many modes can have positive net gain, the linear description becomes less effective, because nonlinear interaction occurs among many modes via the active medium. In particular, the modes of stadium-shaped cavities can have chaotic spatial patterns, inducing complex interaction among them [15].…”

Section: A Nonlinear Dynamical Modelmentioning

confidence: 99%

“…[14][15][16], the generation of the asymmetric pattern can be explained by the frequency-locking phenomena among cavity modes with different parities. Here, let ψ(x,y) be the wave function of the cavity modes.…”

Section: Spatial Patternmentioning

confidence: 99%

“…Such cavities offer a good experimental stage for addressing fundamental problems regarding ray-wave correspondence in open systems [9][10][11][12] and light-matter interaction. Up to now, many theoretical and numerical studies on the lasing in fully chaotic cavities with a stadium shape have been intensively performed [13][14][15][16][17], where the lasing properties have been discussed based on a nonlinear dynamical model taking into account light-matter interaction.…”

Section: Introductionmentioning

confidence: 99%

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Stable single-wavelength emission from fully chaotic microcavity lasers

et al. 2013

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We experimentally and numerically show that single-wavelength emission can be stably observed for a fully chaotic microcavity laser with a stadium shape under continuous wave condition. The emission pattern is asymmetric with respect to the symmetry axes of the laser cavity, and it cannot be explained by a single cavity mode. On the basis of numerical analysis, we interpret such a lasing as the result of frequency-locking interaction among several low-loss cavity modes. Moreover, we experimentally investigate the optical spectral properties of the laser under pulsed-pumping condition, and discuss the pulse-width dependence on the number of lasing modes.

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“…These investigations are not only guided by applications, but also by the perspective of fundamental physics [3,4]. Different materials can be used as microcavities.…”

Section: Introductionmentioning

confidence: 99%

Gain-controlled wave chaos in a chaotic optical fibre

Michel¹,

Tascu²,

Doya³

et al. 2009

J. Eur. Opt. Soc.-Rapid Publ.

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In this paper, we present a non-standard fibre amplifier specially designed to amplify scar modes of a multimode chaotic optical fibre. More precisely, we introduce Ytterbium in the optical fibre as a gain medium localised on the maximum of intensity of the scar modes. After briefly recalling the relevance of a chaotic optical fibre as a device to visualise quantum chaos, we describe the amplification process of scars. We present some numerical results that demonstrate the selective amplification of scar modes, with an amplification rate proportional to the overlap between these modes and the gain area.

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Multimode lasing in two-dimensional fully chaotic cavity lasers

Cited by 27 publications

References 13 publications

Chaos-assisted emission from asymmetric resonant cavity microlasers

Chaos-assisted emission from asymmetric resonant cavity microlasers

Stable single-wavelength emission from fully chaotic microcavity lasers

Gain-controlled wave chaos in a chaotic optical fibre

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