Optical noise reduction in a femtosecond Ti:sapphire laser pumped by a passively stabilized argon ion laser

Dufour, Pascal; Rousseau, Guy; Piché, Michel; McCarthy, Nathalie

doi:10.1016/j.optcom.2004.11.072

Cited by 5 publications

(2 citation statements)

References 19 publications

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“…it is the portion of the (control) amplitude noise that has a correlation time up to 10 3 times longer than the timescale of the dynamics therefore it can be considered as constant in time. The understanding of laser noise and various associated models is an active area of research [6,11,19].…”

Section: Introductionmentioning

confidence: 99%

Hamiltonian identification in presence of large control field perturbations

Fu¹,

Rabitz²,

Turinici³

2016

J. Phys. A: Math. Theor.

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Quantum system inversion concerns learning the characteristics of the underlying Hamiltonian by measuring suitable observables from the responses of the system's interaction with members of a set of applied fields. Various aspects of inversion have been confirmed in theoretical, numerical and experimental works. Nevertheless, the presence of noise arising from the applied fields may contaminate the quality of the results. In this circumstance, the observables satisfy probability distributions, but often the noise statistics are unknown. Based on a proposed theoretical framework, we present a procedure to recover both the unknown parts of the Hamiltonian and the unknown noise distribution. The procedure is implemented numerically and seen to perform well for illustrative Gaussian, exponential and bi-modal noise distributions.

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Section: Introductionmentioning

confidence: 99%

Hamiltonian identification in presence of large control field perturbations

Fu¹,

Rabitz²,

Turinici³

2016

J. Phys. A: Math. Theor.

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show abstract

“…Ti:sapphire is currently used as a gain medium for femtosecond lasers since it has a broad emission band from 700 nm to 900 nm, but it cannot be pumped with a commercially available laser diode (LD) [4,[6][7][8]. Accordingly, the present femtosecond laser system is very expensive and of large scale, and thus there has been an increasing interest in research for LD-pumped ultra-short pulse laser materials [9][10][11][12][13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%