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Title

Electromagnetic field confined and tailored with a few air holes in a photonic-crystal fiber

Authors
Apetrei, A. M.
Moison, J. M.
Levenson, J. A.
Foroni, M.
Poli, F.
Cucinotta, A.
Selleri, S.
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Published in Applied Physics. B, Lasers and Optics. 2005, vol. 81, no. 2-3, p. 409-414
Abstract Conventional and scanning near-field optical microscopy techniques are cross referenced to femtosecond nonlinear-optical measurements and finite-element numerical simulations to visualize and analyze a strong confinement of electromagnetic radiation in guided modes of a photonic-crystal fiber with only a few air holes surrounding the fiber core. A nonlinear coefficient of about 120 W−1 km−1 is achieved at the wavelength of 670 nm for a fused-silica fiber with a full hexagonal cycle of closely packed air holes around the fiber core. The removal of a single element from this array of air holes is shown to frustrate field confinement in guided modes, leading to mode leakage
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Other version: http://link.springer.com/10.1007/s00340-005-1855-9
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APETREI, A. M. et al. Electromagnetic field confined and tailored with a few air holes in a photonic-crystal fiber. In: Applied Physics. B, Lasers and Optics, 2005, vol. 81, n° 2-3, p. 409-414. https://archive-ouverte.unige.ch/unige:36757

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Deposited on : 2014-05-20

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