Electric-field-induced second-harmonic generation with reduced absorption in atomic hydrogen

Hakuta, K.; Marmet, L.; Stoicheff, B. P.

doi:10.1103/physrevlett.66.596

Cited by 347 publications

(133 citation statements)

References 6 publications

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“…The question of production of transition with non-orthogonal dipole matrix elements has been extensively discussed in the literature. This can be achieved by mixing the states using either internal fields [20] or external fields [25][26][27][28]. We may further note that the relaxation need not occur by spontaneous emission.…”

Section: Numerical Resultsmentioning

confidence: 99%

Gain components in the Autler-Townes doublet from quantum interferences in decay channels

1999

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We consider non-degenerate pump-probe spectroscopy of V-systems under conditions such that interference among decay channels is important. We demonstrate how this interference can result in new gain features instead of the usual absorption features. We relate this gain to the existence of a new vacuum induced quasi-trapped-state. We further show how this also results in large refractive index with low absorption.

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Section: Numerical Resultsmentioning

confidence: 99%

Gain components in the Autler-Townes doublet from quantum interferences in decay channels

1999

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“…[1][2][3][4][5][6] However, in such a highly conductive sample, the field effect is expected to be small. We confirm this by a simple order-of-magnitude estimate: Our theory (Ref.…”

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confidence: 99%

“…Field-induced SHG has significant practical applications in visualizing electric fields. [2][3][4][5][6] Another example of SHG induced…”

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confidence: 99%

Second-Harmonic Generation Induced by Electric Currents in GaAs

Ruzicka

Werake

et al. 2012

Phys. Rev. Lett.

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“…Linear and nonlinear optical properties of an atomic medium can be modified by coherence and quantum interference that utilizes electromagnetically induced transparency (EIT) [1][2][3][4][5][6][7][8]. Because the vanishing linear absorption and large enhancement of nonlinear polarizability in an EIT medium, nonlinear optics may be studied at low light levels [9].…”

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confidence: 99%

Observation of absorptive photon switching by quantum interference

2001

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We report an experimental demonstration of photon switching by quantum interference in a four-level atomic system proposed by Harris and Yamamoto (Phys. Rev. Lett. 81, 3611 (1998)). Quantum interference inhibits single-photon absorption but enhances third-order, two-photon type absorption in the four-level system. We have observed greatly enhanced nonlinear absorption in the four-level system realized with cold 87 Rb atoms and demonstrated fast switching of the nonlinear absorption with a pulsed pump laser.

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Electric-field-induced second-harmonic generation with reduced absorption in atomic hydrogen

Cited by 347 publications

References 6 publications

Gain components in the Autler-Townes doublet from quantum interferences in decay channels

Gain components in the Autler-Townes doublet from quantum interferences in decay channels

Second-Harmonic Generation Induced by Electric Currents in GaAs

Observation of absorptive photon switching by quantum interference

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