TY - JOUR AU - An, Qiang AU - Ren, Yingying AU - Jia, Yuechen AU - Vázquez de Aldana, Javier R. AU - Chen, Feng PY - 2013 SN - 2159-3930 UR - http://hdl.handle.net/10366/123365 AB - Depressed cladding optical waveguides have been fabricated in a zinc sulfide (ZnS) crystal by femtosecond laser inscription. The structures support single- or multi-mode guidance at the mid-infrared wavelength of ~4 μm. The two-dimensional refractive... LA - eng PB - Optical Society of America KW - Waveguides KW - Femtosecond lasers KW - Microfabrication KW - Mid-infrared TI - Mid-infrared waveguides in zinc sulfide crystal ER -