Title :
Mid-Infrared guiding and nonlinear spectral broadening in ultrafast laser inscribed gallium lanthanum sulphide waveguides
Author :
McCarthy, J.E. ; Bookey, H.T. ; Psaila, N.D. ; Thomson, R.R. ; Kar, A.K.
Author_Institution :
Dept. of Phys., Heriot-Watt Univ., Edinburgh, UK
Abstract :
Spectral broadening spanning 850 nm (-15 dB points) was observed in an ultrafast laser inscribed gallium lanthanum sulphide waveguide under excitation of femto-second laser radiation with a central wavelength of 2.35 μm.
Keywords :
gallium compounds; high-speed optical techniques; infrared sources; lanthanum compounds; laser materials processing; optical fabrication; optical waveguides; spectral line broadening; GaLaS; gallium lanthanum sulphide waveguides; mid-infrared guiding; nonlinear spectral broadening; ultrafast laser; wavelength 2.35 mum; wavelength 850 nm;
Conference_Titel :
IEEE Photonics Society, 2010 23rd Annual Meeting of the
Conference_Location :
Denver, CO
Print_ISBN :
978-1-4244-5368-9
DOI :
10.1109/PHOTONICS.2010.5698999
