Journal
APPLIED PHYSICS LETTERS
Volume 92, Issue 5, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2840674
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The authors propose a fabrication method of optical amplifying devices, which is based on a technique of light-induced self-written waveguide. The waveguide structure doped with infrared organic dye molecules was self-written by visible laser light irradiation from optical fiber tips to photopolymerized resin, which makes the waveguide self-aligned with input and output fibers. The self-written active waveguides with the length of 0.98-1.89 mm were fabricated and amplified spontaneous emission at similar to 790 nm was observed. Furthermore, optical amplification of externally input light was also implied in a tentative examination. (C) 2008 American Institute of Physics.
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