Journal
APPLIED PHYSICS LETTERS
Volume 96, Issue 13, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3373422
Keywords
Bragg gratings; II-VI semiconductors; light reflection; light transmission; optical design techniques; optical fibre fabrication; optical tuning; wide band gap semiconductors; zinc compounds
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Funding
- High-Tech Research and Development Program of China [2007AA03Z306]
- Natural Science Foundation of China [10774011]
- SRF
- State Educational Ministry
- Beijing Educational Commission [KZ200810005004]
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Fabrication and characterization of the miniature device of waveguide grating-structures (WGS) on the end facet of an optical fiber are demonstrated. A layer of ZnO between the fiber and the grating structures serves as the waveguide. The fiber is used to direct the excitation light to the WGS and to carry the signal response back to the detection system. The narrow-band waveguide resonance mode tunable in the visible spectrum can be measured through the fiber in both the transmission and reflection. This nanodevice may be suitable as long-range sensors for the detection of refractive-index changes in nontransparent or toxic liquids.
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