Selective excitation of fiber-modes using surface plasmons
- 1 September 1995
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 7 (9) , 1051-1053
- https://doi.org/10.1109/68.414700
Abstract
Experimental and theoretical results are presented on a surface plasmon fiber device that provides selective excitation of individual modes in a dual-mode optical fiber. Using prism coupling to probe this device, good modal discrimination was obtained experimentally for the LP/sub 1/1 fiber mode. The LP/sub 1/1 modal discrimination, however, was found to be inherently limited by the field distribution characteristics of the dual-mode fiber. Applications are to fixed and tunable mode tap or couplers.<>Keywords
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