Far-field technique for tunable coupling to high-order guided modes of photonic crystal fibers

Vincent Ricardo Daria; Peter John Rodrigo; Jesper Gluckstad

doi:10.1117/12.528944

9 July 2004 Far-field technique for tunable coupling to high-order guided modes of photonic crystal fibers

Vincent Ricardo Daria, Peter John Rodrigo, Jesper Gluckstad

Proceedings Volume 5360, Photonic Crystal Materials and Devices II; (2004) https://doi.org/10.1117/12.528944
Event: Integrated Optoelectronic Devices 2004, 2004, San Jose, CA, United States

Abstract

We investigate the potentials of using a far-field technique for tunable coupling to high-order guided modes of photonic crystal fibers. The field distribution matched for coupling to the fiber is generated by the optical Fourier transform of grating-based phase patterns dynamically encoded on a spatial light modulator. Tuning the parameters of phase-only binary diffractive patterns can modulate both amplitude and phase of the coupling field. Experiments demonstrate tunable and spatially controllable coupling to the second-order mode of a commercially available index-guided micro-structured fiber with a triangular lattice air-hole structure.

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Vincent Ricardo Daria, Peter John Rodrigo, and Jesper Gluckstad "Far-field technique for tunable coupling to high-order guided modes of photonic crystal fibers", Proc. SPIE 5360, Photonic Crystal Materials and Devices II, (9 July 2004); https://doi.org/10.1117/12.528944

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KEYWORDS

Spatial light modulators

Binary data

Diffraction gratings

Diffraction

Photonic crystal fibers

Phase shift keying

Modulation

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