Dynamic all-optical tuning of transverse resonant cavity modes in photonic bandgap fibers

Photonic bandgap fibers for transverse illumination containing half-wavelength microcavities have recently been designed and fabricated. We report on the fabrication and characterization of an all-optical tunable microcavity fiber. The fiber is made by incorporating a photorefractive material inside...

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Bibliographic Details
Published in:Optics letters 2005-07, Vol.30 (13), p.1620-1622
Main Authors: BENOIT, Gilles, KURIKI, Ken, VIENS, Jean-Francois, JOANNOPOULOS, John D, FINK, Yoel
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Fabrication, cladding, and splicing
Fiber testing and measurement of fiber parameters
Fundamental areas of phenomenology (including applications)
Integrated optics. Optical fibers and wave guides
Optical and optoelectronic circuits
Optical materials
Optics
Photonic bandgap materials
Physics
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Description
Summary:Photonic bandgap fibers for transverse illumination containing half-wavelength microcavities have recently been designed and fabricated. We report on the fabrication and characterization of an all-optical tunable microcavity fiber. The fiber is made by incorporating a photorefractive material inside a Fabry-Perot cavity structure with a quality factor Q >200 operating at 1.5 microm. Under short-wavelength transverse external illumination, a 2 nm reversible shift of the cavity resonant mode is achieved. Dynamic all-optical tuning is reported at frequencies up to 400 Hz. Experimental results are compared with simulations based on the amplitude and kinetics of the transient photodarkening effect measured in situ in thin films.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.30.001620