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Coherence of bulk-generated supercontinuum

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Coherence of bulk-generated supercontinuum. / Halder, Atri; Jukna, Vytautas; Koivurova, Matias; Dubietis, Audrius; Turunen, Jari.

In: Photonics Research, Vol. 7, No. 11, 01.11.2019, p. 1345-1353.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Halder, A, Jukna, V, Koivurova, M, Dubietis, A & Turunen, J 2019, 'Coherence of bulk-generated supercontinuum', Photonics Research, vol. 7, no. 11, pp. 1345-1353. https://doi.org/10.1364/PRJ.7.001345

APA

Halder, A., Jukna, V., Koivurova, M., Dubietis, A., & Turunen, J. (2019). Coherence of bulk-generated supercontinuum. Photonics Research, 7(11), 1345-1353. https://doi.org/10.1364/PRJ.7.001345

Vancouver

Halder A, Jukna V, Koivurova M, Dubietis A, Turunen J. Coherence of bulk-generated supercontinuum. Photonics Research. 2019 Nov 1;7(11):1345-1353. https://doi.org/10.1364/PRJ.7.001345

Author

Halder, Atri ; Jukna, Vytautas ; Koivurova, Matias ; Dubietis, Audrius ; Turunen, Jari. / Coherence of bulk-generated supercontinuum. In: Photonics Research. 2019 ; Vol. 7, No. 11. pp. 1345-1353.

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@article{96817d33dc844d11b68dee88f7db6daf,
title = "Coherence of bulk-generated supercontinuum",
abstract = "We have developed a numerical framework that allows estimation of coherence in spatiotemporal and spatiospectral domains. Correlation properties of supercontinuum (SC) pulses generated in a bulk medium are investigated by means of second-order coherence theory of non-stationary fields. The analysis is based on simulations of individual space-time and space-frequency realizations of pulses emerging from a 5 mm thick sapphire plate, in the regimes of normal, zero, and anomalous group velocity dispersion. The temporal and spectral coherence properties are analyzed in the near field (as a function of spatial position at the exit plane of the nonlinear medium) and as a function of propagation direction (spatial frequency) in the far field. Unlike in fiber-generated SC, the bulk case features spectacularly high degrees of temporal and spectral coherence in both the spatial and spatial-frequency domains, with increasing degrees of coherence at higher pump energies. When operating near the SC generation threshold, the overall degrees of temporal and spectral coherence exhibit an axial dip in the spatial domain, whereas in the far field, the degree of coherence is highest around the optical axis. (C) 2019 Chinese Laser Press",
keywords = "PHOTONIC CRYSTAL, REPRESENTATION, DISPERSION",
author = "Atri Halder and Vytautas Jukna and Matias Koivurova and Audrius Dubietis and Jari Turunen",
year = "2019",
month = "11",
day = "1",
doi = "10.1364/PRJ.7.001345",
language = "English",
volume = "7",
pages = "1345--1353",
journal = "Photonics Research",
issn = "2327-9125",
publisher = "OPTICAL SOC AMER",
number = "11",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Coherence of bulk-generated supercontinuum

AU - Halder, Atri

AU - Jukna, Vytautas

AU - Koivurova, Matias

AU - Dubietis, Audrius

AU - Turunen, Jari

PY - 2019/11/1

Y1 - 2019/11/1

N2 - We have developed a numerical framework that allows estimation of coherence in spatiotemporal and spatiospectral domains. Correlation properties of supercontinuum (SC) pulses generated in a bulk medium are investigated by means of second-order coherence theory of non-stationary fields. The analysis is based on simulations of individual space-time and space-frequency realizations of pulses emerging from a 5 mm thick sapphire plate, in the regimes of normal, zero, and anomalous group velocity dispersion. The temporal and spectral coherence properties are analyzed in the near field (as a function of spatial position at the exit plane of the nonlinear medium) and as a function of propagation direction (spatial frequency) in the far field. Unlike in fiber-generated SC, the bulk case features spectacularly high degrees of temporal and spectral coherence in both the spatial and spatial-frequency domains, with increasing degrees of coherence at higher pump energies. When operating near the SC generation threshold, the overall degrees of temporal and spectral coherence exhibit an axial dip in the spatial domain, whereas in the far field, the degree of coherence is highest around the optical axis. (C) 2019 Chinese Laser Press

AB - We have developed a numerical framework that allows estimation of coherence in spatiotemporal and spatiospectral domains. Correlation properties of supercontinuum (SC) pulses generated in a bulk medium are investigated by means of second-order coherence theory of non-stationary fields. The analysis is based on simulations of individual space-time and space-frequency realizations of pulses emerging from a 5 mm thick sapphire plate, in the regimes of normal, zero, and anomalous group velocity dispersion. The temporal and spectral coherence properties are analyzed in the near field (as a function of spatial position at the exit plane of the nonlinear medium) and as a function of propagation direction (spatial frequency) in the far field. Unlike in fiber-generated SC, the bulk case features spectacularly high degrees of temporal and spectral coherence in both the spatial and spatial-frequency domains, with increasing degrees of coherence at higher pump energies. When operating near the SC generation threshold, the overall degrees of temporal and spectral coherence exhibit an axial dip in the spatial domain, whereas in the far field, the degree of coherence is highest around the optical axis. (C) 2019 Chinese Laser Press

KW - PHOTONIC CRYSTAL

KW - REPRESENTATION

KW - DISPERSION

U2 - 10.1364/PRJ.7.001345

DO - 10.1364/PRJ.7.001345

M3 - Article

VL - 7

SP - 1345

EP - 1353

JO - Photonics Research

JF - Photonics Research

SN - 2327-9125

IS - 11

ER -