NDLI: Fabrication of tellurite fiber devices using laser irradiation techniques for all-optical switching applications

Content Provider	IEEE Xplore Digital Library
Author	Yokota, H. Imai, Y. Sasaki, Y. Mori, A.
Copyright Year	2010
Description	Author affiliation: College of Engineering Ibaraki University, 4-12-1 Nakanarusawa, Hitachi, Ibaraki, 316-8511 Japan (Yokota, H.; Imai, Y.; Sasaki, Y.) \|\| NTT Photonics Laboratories, NTT Corporation, 3-1 Morinosato Wakamiya, Atsugi, Kanagawa, 243-0198 Japan (Mori, A.)
Abstract	An optical fiber grating coupler (FGC) is a grating-written fused fiber coupler in which a refractive index modulated grating is written in its tapered region. The FGC can be applied to an all-optical switch using a cross phase modulation in the grating. However, the silica based FGC switch requires a control light with high power for the switching, therefore it is difficult to apply the FGC switch for practical use. One of the solutions to reduce the control power is introducing high nonlinear fibers for FGC fabrication. In this paper, a recent progress in research on tellurite fiber device fabrications using laser irradiation techniques for all-optical switching applications is reviewed. Fused tellurite fiber couplers were fabricated using CO laser irradiation, where optical coupling to the cross port was confirmed similar to fused silica fiber couplers. The extinction ratio at the cross port was ∼6%. Tellurite fiber gratings were also fabricated using picosecond pulsed Nd:YAG laser irradiation. We could successfully fabricate a long period tellurite fiber grating with -12.6 dB attenuation peak at 1556 nm wavelength.
Starting Page	1
Ending Page	4
File Size	148506
Page Count	4
File Format	PDF
ISBN	9781424477999
e-ISBN	9781424477982
e-ISBN	9781424477975
DOI	10.1109/ICTON.2010.5549157
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-27
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical device fabrication Optical fiber devices Fiber lasers Optical fiber couplers Fiber gratings Optical coupling Optical switches Silicon compounds Optical fibers Refractive index laser processing tellurite fiber fused fiber coupler fiber grating all-optical switching high nonlinear fiber
Content Type	Text
Resource Type	Article

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