Fabrication of As2S8 channel waveguide with a low propagation loss

L. E. Zou; H. S. Lin; B. X. Chen; H. Hamanaka; M. Iso

doi:10.1117/12.810971

19 February 2009 Fabrication of As₂S₈ channel waveguide with a low propagation loss

L. E. Zou, H. S. Lin, B. X. Chen, H. Hamanaka, M. Iso

Proceedings Volume 7279, Photonics and Optoelectronics Meetings (POEM) 2008: Optoelectronic Devices and Integration; 727903 (2009) https://doi.org/10.1117/12.810971
Event: Photonics and Optoelectronics Meetings, 2008, Wuhan, China

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.

Citation Download Citation

L. E. Zou, H. S. Lin, B. X. Chen, H. Hamanaka, and M. Iso "Fabrication of As₂S₈ channel waveguide with a low propagation loss", Proc. SPIE 7279, Photonics and Optoelectronics Meetings (POEM) 2008: Optoelectronic Devices and Integration, 727903 (19 February 2009); https://doi.org/10.1117/12.810971

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