Stimulated Raman scattering in hydrogen-filled hollow-core photonic crystal fiber

Fetah Benabid, Jonathan C. Knight, G. Antonopoulos, Philip St J Russell

Research output: Contribution to journalArticle

831 Citations (Scopus)

Abstract

We report on stimulated Raman scattering in an approximately 1-meter-long hollow-core photonic crystal fiber filled with hydrogen gas under pressure. Light was guided and confined in the 15-micrometer-diameter hollow core by a two-dimensional photonic bandgap. Using a pulsed laser source (pulse duration, 6 nanoseconds; wavelength, 532 nanometers), the threshold for Stokes (longer wavelength) generation was observed at pulse energies as low as 800 ± 200 nanojoules, followed by a coherent anti-Stokes (shorter wavelength) generation threshold at 3.4 ± 0.7 microjoules. The pump-to-Stokes conversion efficiency was 30 ± 3% at a pulse energy of only 4.5 microjoules. These energies are almost two orders of magnitude lower than any other reported energy, moving gas-based nonlinear optics to previously inaccessible parameter regimes of high intensity and long interaction length.
Original languageEnglish
Pages (from-to)399-402
Number of pages5
JournalScience
Volume298
Issue number5592
DOIs
Publication statusPublished - 11 Oct 2002

Cite this

Stimulated Raman scattering in hydrogen-filled hollow-core photonic crystal fiber. / Benabid, Fetah; Knight, Jonathan C.; Antonopoulos, G.; Russell, Philip St J.

In: Science, Vol. 298, No. 5592, 11.10.2002, p. 399-402.

Research output: Contribution to journalArticle

Benabid, Fetah ; Knight, Jonathan C. ; Antonopoulos, G. ; Russell, Philip St J. / Stimulated Raman scattering in hydrogen-filled hollow-core photonic crystal fiber. In: Science. 2002 ; Vol. 298, No. 5592. pp. 399-402.
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abstract = "We report on stimulated Raman scattering in an approximately 1-meter-long hollow-core photonic crystal fiber filled with hydrogen gas under pressure. Light was guided and confined in the 15-micrometer-diameter hollow core by a two-dimensional photonic bandgap. Using a pulsed laser source (pulse duration, 6 nanoseconds; wavelength, 532 nanometers), the threshold for Stokes (longer wavelength) generation was observed at pulse energies as low as 800 ± 200 nanojoules, followed by a coherent anti-Stokes (shorter wavelength) generation threshold at 3.4 ± 0.7 microjoules. The pump-to-Stokes conversion efficiency was 30 ± 3{\%} at a pulse energy of only 4.5 microjoules. These energies are almost two orders of magnitude lower than any other reported energy, moving gas-based nonlinear optics to previously inaccessible parameter regimes of high intensity and long interaction length.",
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AB - We report on stimulated Raman scattering in an approximately 1-meter-long hollow-core photonic crystal fiber filled with hydrogen gas under pressure. Light was guided and confined in the 15-micrometer-diameter hollow core by a two-dimensional photonic bandgap. Using a pulsed laser source (pulse duration, 6 nanoseconds; wavelength, 532 nanometers), the threshold for Stokes (longer wavelength) generation was observed at pulse energies as low as 800 ± 200 nanojoules, followed by a coherent anti-Stokes (shorter wavelength) generation threshold at 3.4 ± 0.7 microjoules. The pump-to-Stokes conversion efficiency was 30 ± 3% at a pulse energy of only 4.5 microjoules. These energies are almost two orders of magnitude lower than any other reported energy, moving gas-based nonlinear optics to previously inaccessible parameter regimes of high intensity and long interaction length.

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