Title :
Mid-infrared supercontinuum generation in robust step-index chalcogenide nanotapers pumped with a thulium fiber laser
Author :
Shabahang, S. ; Tao, G. ; Lee, Kahyun ; Smolski, V. ; Vodopyanov, K.L. ; Fermann, Martin ; Abouraddy, A.F.
Author_Institution :
CREOL, Univ. of Central Florida, Orlando, FL, USA
Abstract :
We fabricate highly nonlinear and mechanically robust step-index chalcogenide nanotapers with large core-cladding index contrast. Using femtosecond pulses at 2-micron wavelength from a thulium fiber laser, mid-infrared supercontinuum spanning more than an octave was generated.
Keywords :
chalcogenide glasses; high-speed optical techniques; infrared spectra; laser materials processing; nanofabrication; nanophotonics; optical fibre cladding; optical fibre fabrication; optical pumping; refractive index; supercontinuum generation; thulium; femtosecond pulses; highly nonlinear robust step-index chalcogenide nanotaper fabrication; large core-cladding index contrast; mechanically robust step-index chalcogenide nanotaper fabrication; midinfrared supercontinuum generation; optical pumping; thulium fiber laser; Nonlinear optics; Optical fiber dispersion; Optical imaging; Optical pulses; Optical refraction; Optical variables control; Polymers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
