Reducing Splicing Loss Between a Silicon-Cored Optical Fiber and a Silica Optical Fiber

Splicing a silicon-cored fiber with a silica fiber usually suffers from splicing loss because of large refractive index mismatch. We applied a solution-based metal-assisted chemical etching method with silver catalyst to create anti-reflection structures on the end surface of a silicon-cored fiber,...

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Bibliographic Details
Published in:IEEE photonics technology letters 2016-08, Vol.28 (16), p.1774-1777
Main Authors: Jian-Hong Chen, Yung-Tai Sun, Wang, Lon A.
Format: Article
Language:English
Subjects:
anti-reflection
Etching
Fibers
Integrity
Lasers
Mac etch
Optical fibers
Optical surface waves
Silicon
Silicon compounds
silicon cored fiber
Silicon dioxide
Splicing
Stimulation
Wavelengths
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Summary:Splicing a silicon-cored fiber with a silica fiber usually suffers from splicing loss because of large refractive index mismatch. We applied a solution-based metal-assisted chemical etching method with silver catalyst to create anti-reflection structures on the end surface of a silicon-cored fiber, which reduced laser splicing loss to 1 dB when spliced with a silica fiber for working in 1550-nm wavelength. Experiment and stimulation indicated good integrity of the etched silicon structure in splicing with a silica fiber.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2016.2571729