Selective coupling of fibre modes using surface-guided Bloch modes supported by dielectric multilayer stacks
Pechstedt, R.D., Russell, P.St.J., Birks, T.A. and Lloyd-Lucas, F.D. (1995) Selective coupling of fibre modes using surface-guided Bloch modes supported by dielectric multilayer stacks. Journal of the Optical Society of America A, 12, (12), 2655-2659. (doi:10.1364/JOSAA.12.002655).
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The surface-guided Bloch modes guided by the interface between a multilayer dielectric stack and an external medium are highly dispersive. This makes attractive their use in mode-selective coupling of light into and out of side-polished multimode fibres. The particular case of a dual-mode fibre is modelled in this paper. Mode selection via surface-guided Bloch modes is found to offer advantages in comparison to selection via a single mode waveguiding film of the same average refractive index as the stack. Good modal selectivity is achievable together with high tunability, i.e., high sensitivity to the refractive index of the intervening layer between stack and side-polished fibre.
|Subjects:||T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||11 Mar 2010|
|Last Modified:||02 Mar 2012 13:23|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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