Broadband Mode Convertors in Photonic Crystal Fibres

We have used tapering of photonic crystal fibres to make all-fibre mode converters for the LP 11 and LP 02 modes. The devices rely on adiabatic propagation rather than resonant coupling, allowing high extinction across a wide wavelength range.

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Bibliographic Details
Main Authors: Birks, T., Witkowska, A., Leon-Saval, S., Ke Lai, Wadsworth, W.
Format: Conference Proceeding
Language:English
Subjects:
Converters
Extinction ratio
Gratings
mode convertors
Optical fiber devices
Optical fibers
optical fibres
Optical propagation
Optical waveguides
Photonic crystal fibers
photonic crystal fibres
Physics
Resonance
tapered fibres
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Description
Summary:We have used tapering of photonic crystal fibres to make all-fibre mode converters for the LP 11 and LP 02 modes. The devices rely on adiabatic propagation rather than resonant coupling, allowing high extinction across a wide wavelength range.
ISSN:2162-7339
DOI:10.1109/ICTON.2007.4296169