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Proceedings Paper

Fabrication of As2S8 channel waveguide with a low propagation loss
Author(s): L. E. Zou; H. S. Lin; B. X. Chen; H. Hamanaka; M. Iso
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Paper Abstract

A2S8 glass films are shown to undergo changes in the refractive index under ultraviolet (UV) illumination and annealing treatment, respectively. Under UV illumination, the maximum change in the refractive index of the as-deposited A2S8 is ~0.056; while under annealing treatment, it lies on and increases with increase of the annealing temperature. In addition, the changes of the refractive index in the well-illuminated A2S8 glass films after annealing are not reversible until the annealing temperature is up to 160°C.The A2S8 channel waveguide fabricated by exposure to UV illumination still exists after annealing of 130~160°C, and the refractive index differences between the areas of the channel waveguide and the planar waveguide in this waveguide are 0.0120~0.0081. Light propagation experiment shows that this A2S8 channel waveguide has a light guide character with good quality and a low propagation loss of ~4dB/cm.

Paper Details

Date Published: 19 February 2009
PDF: 7 pages
Proc. SPIE 7279, Photonics and Optoelectronics Meetings (POEM) 2008: Optoelectronic Devices and Integration, 727903 (19 February 2009); doi: 10.1117/12.810971
Show Author Affiliations
L. E. Zou, Nanchang Univ. (China)
Nankai Univ. (China)
H. S. Lin, Nanchang Univ. (China)
B. X. Chen, Univ. of Shanghai for Science and Technology (China)
H. Hamanaka, Hosei Univ. (Japan)
M. Iso, Tokyo Univ. of Agriculture and Technology (Japan)


Published in SPIE Proceedings Vol. 7279:
Photonics and Optoelectronics Meetings (POEM) 2008: Optoelectronic Devices and Integration
Liming Zhang; Michael J. O'Mahony, Editor(s)

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