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Spasibko KY, Kopylov DA, Krutyanskiy VL, Murzina TV, Leuchs G, Chekhova MV. Multiphoton Effects Enhanced due to Ultrafast Photon-Number Fluctuations. PHYSICAL REVIEW LETTERS 2017; 119:223603. [PMID: 29286804 DOI: 10.1103/physrevlett.119.223603] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Indexed: 06/07/2023]
Abstract
The rate of an n-photon effect generally scales as the nth order autocorrelation function of the incident light, which is high for light with strong photon-number fluctuations. Therefore, "noisy" light sources are much more efficient for multiphoton effects than coherent sources with the same mean power, pulse duration, and repetition rate. Here we generate optical harmonics of the order of 2-4 from a bright squeezed vacuum, a state of light consisting of only quantum noise with no coherent component. We observe up to 2 orders of magnitude enhancement in the generation of optical harmonics due to ultrafast photon-number fluctuations. This feature is especially important for the nonlinear optics of fragile structures, where the use of a noisy pump can considerably increase the effect without overcoming the damage threshold.
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Affiliation(s)
- Kirill Yu Spasibko
- Max Planck Institute for the Science of Light, Staudtstraße 2, 91058 Erlangen, Germany
- University of Erlangen-Nürnberg, Staudtstraße 7/B2, 91058 Erlangen, Germany
| | - Denis A Kopylov
- Department of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory, 119991 Moscow, Russia
| | - Victor L Krutyanskiy
- Department of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory, 119991 Moscow, Russia
- Institute for Quantum Optics and Quantum Information ÖAW, Technikerstraße 21a, 6020 Innsbruck, Austria
| | - Tatiana V Murzina
- Department of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory, 119991 Moscow, Russia
| | - Gerd Leuchs
- Max Planck Institute for the Science of Light, Staudtstraße 2, 91058 Erlangen, Germany
- University of Erlangen-Nürnberg, Staudtstraße 7/B2, 91058 Erlangen, Germany
| | - Maria V Chekhova
- Max Planck Institute for the Science of Light, Staudtstraße 2, 91058 Erlangen, Germany
- University of Erlangen-Nürnberg, Staudtstraße 7/B2, 91058 Erlangen, Germany
- Department of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory, 119991 Moscow, Russia
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Allevi A, Bondani M. Direct detection of super-thermal photon-number statistics in second-harmonic generation. OPTICS LETTERS 2015; 40:3089-3092. [PMID: 26125374 DOI: 10.1364/ol.40.003089] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Changes in the statistical properties of light undergoing second-harmonic generation are investigated in the photon-number-resolving domain. We theoretically demonstrate that when a portion of multimode thermal light produced by parametric down-conversion is up-converted, both the second-harmonics and the residual beam at the fundamental wavelength are endowed with super-thermal photon-number distributions. The experimental results, which were obtained by exploiting the photo-number-resolving capability of hybrid photodetectors, are in excellent agreement with the theoretical expectations.
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Qu Y, Singh S, Cantrell CD. Measurements of higher order photon bunching of light beams. PHYSICAL REVIEW LETTERS 1996; 76:1236-1239. [PMID: 10061670 DOI: 10.1103/physrevlett.76.1236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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