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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Description/Abstract
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
| Item Type: | Article |
|---|---|
| ISSNs: | 0950-107X (print) |
| Related URLs: | |
| Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | University Structure - Pre August 2011 > Optoelectronics Research Centre |
| Item ID: | 77687 |
| Date Deposited: | 11 Mar 2010 |
| Last Modified: | 27 Jun 2011 12:54 |
| Contributors: | de Fornel, F. (Author) Ragdale, C.M. (Author) Mears, R.J. (Author) |
| Date: | August 1984 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/77687 |
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