Analysis of single-mode fused tapered fibre couplers
de Fornel, F., Ragdale, C.M. and Mears, R.J. (1984) Analysis of single-mode fused tapered fibre couplers. IEE Proceedings H Microwaves Antennas and Propagation, 131, (4), 221-28.
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A fabrication technique for fused taper couplers is described. Coupling coefficients are calculated for fibres with raised, depressed and matched refractive-index profiles, and optimum V-values for coupling are found. These suggest a shorter coupler geometry differing from the biconical taper. The high taper loss in depressed cladding fibres is shown to correspond to the presence of the leaky LP-mode. The wavelength response has been measured for various couplers and fitted theoretically. Coupling periods as small as 12 nm demonstrate potential use for couplers as wavelength-division multiplexers. The dependence of coupling on the refractive index of the surrounding medium has been measured. Thus couplers have also demonstrated potential as temperature sensors and optical switches
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions :||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Accepted Date and Publication Date:||
|Date Deposited:||11 Mar 2010|
|Last Modified:||31 Mar 2016 13:12|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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