TITLE

Fano resonance in a multimode tapered fiber coupled with a microspherical cavity

AUTHOR(S)
Chiba, Akito; Fujiwara, Hideki; Hotta, Jun-ichi; Takeuchi, Shigeki; Sasaki, Keiji
PUB. DATE
June 2005
SOURCE
Applied Physics Letters;6/27/2005, Vol. 86 Issue 26, p261106
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Fano resonance in a tapered optical fiber in contact with a high-Q microsphere is demonstrated. Multimode waves propagating in a 2.3 μm diameter taper were coupled with a single whispering gallery mode of a 220 μm sphere, and their coherent interaction resulted in Fano resonance. The asymmetric line shapes of the transmission spectra changed periodically with scanning of the coupling position along the taper. The observed 24 μm period was due to modal dispersion in the tapered fiber.
ACCESSION #
17545089

 

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