Matched cascade of bandgap-shift and frequency-conversion using stimulated Raman scattering in a tapered hollow-core photonic crystal fibre | Zendy

Benoît Beaudou | Zendy; F. Couny | Zendy; Yingying Wang | Zendy; P. S. Light | Zendy; N.V. Wheeler | Zendy; Frédéric Gérôme | Zendy; F. Benabid | Zendy

Open Access

Matched cascade of bandgap-shift and frequency-conversion using stimulated Raman scattering in a tapered hollow-core photonic crystal fibre

Author(s) -

Benoît Beaudou,

F. Couny,

Yingying Wang,

P. S. Light,

N.V. Wheeler,

Frédéric Gérôme,

F. Benabid

Publication year - 2010

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.18.012381

Subject(s) - materials science , photonic crystal fiber , photonic crystal , raman scattering , optics , raman spectroscopy , optoelectronics , laser , bandwidth (computing) , photonics , core (optical fiber) , optical fiber , fiber laser , telecommunications , physics , wavelength , computer science

We report on a novel means which lifts the restriction of the limited optical bandwidth of photonic bandgap hollow-core photonic crystal fiber on generating high order stimulated Raman scattering in gaseous media. This is based on H(2)-filled tapered HC-PCF in which the taper slope is matched with the effective length of Raman process. Raman orders outside the input-bandwidth of the HC-PCF are observed with more than 80% quantum-conversion using a compact, low-power 1064 nm microchip laser. The technique opens prospects for efficient sources in spectral regions that are poorly covered by currently existing lasers such as mid-IR.

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