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Direct laser writing of two-dimensional photonic structures in amorphous As 2S3 thin films

A. POPESCU1,* , S. MICLOS1, D. SAVASTRU1, R. SAVASTRU1, M. CIOBANU1, M. POPESCU2, A. LŐRINCZI2, F. SAVA2, A. VELEA2, F. JIPA3, M. ZAMFIRESCU3

Affiliation

  1. National Institute R&D of Optoelectronics, INOE 2000, 409 Atomistilor str. , P. O. Box MG. 5, Magurele-Ilfov, Romania
  2. National Institute of Materials Physics, 105 bis, Atomistilor str. 077125-Magurele-Ilfov, Romania
  3. National Institute of Laser, Plasma and Radiation Physics, 409 Atomistilor str., PO Box MG-36, 077125-Magurele-Ilfov, Romania

Abstract

A method for building photonic structures in As 2S 3 amorphous chalcogenide films has been developed. 2-D photonic configurations characterized by a regular assembly of rods (triangular lattice) or gratings with traces of micrometer period have been obtained. A femto-second laser has been used in photonic crystal registration. The simulation performed on these photonic configuration shows that the obtained chalcogenide structures could be efficient for operation in the infrared range around several micrometers wavelength..

Keywords

Photonic crystal; Chalcogenide glass; As 2S3 ; Thin film.

Submitted at: Nov. 22, 2009
Accepted at: Nov. 19, 2009

Citation

A. POPESCU, S. MICLOS, D. SAVASTRU, R. SAVASTRU, M. CIOBANU, M. POPESCU, A. LŐRINCZI, F. SAVA, A. VELEA, F. JIPA, M. ZAMFIRESCU, Direct laser writing of two-dimensional photonic structures in amorphous As 2S3 thin films, Journal of Optoelectronics and Advanced Materials Vol. 11, Iss. 11, pp. 1874-1880 (2009)