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An emerging technology which shows promise for the fabrication of glass photonic integrated circuits (PICs), is sub-micron-scale embossing or imprinting. This approach makes use of Tg (the glass transition) which gives inorganic compound glasses a key advantage over crystalline materials for fabricating photonic devices and PICs. Thus, on heating the glass above Tg the supercooled liquid temperature...
This paper demonstrates a new and flexible route to microstructuring of chalcogenide glass fiber for operation in the near- to mid-infrared, presenting an alternative to air-glass microstructuring. For the first time, a one-layer, solid microstructured optical fiber is successfully drawn from As40Se60 and Ge10As23.4Se66.6 (atomic %) chalcogenide glasses. Light guiding is demonstrated in the center...
Interest in chalcogenide glasses for photonic applications has been growing vigorously, driven by the wide wavelength range of optical transparency, high linear refractive indices, large optical non-linearity and the possibility for hosting active rare earth dopants. In this paper some emerging technologies for the fabrication of planar chalcogenide glass waveguides and photonic devices are discussed...
Femtosecond-pulsed laser writing of waveguides, a few mm long, is demonstrated; waveguides were written orthogonally to the writing beam inside the bulk of ErIII-doped oxyfluoride glasses at a depth of 160 mum. The writing beam was 795 nm wavelength, 54 fs pulse duration and 11 MHz repetition rate. Tracks were written at pulse energies of 13.1 nJ to 26.1 nJ and sample translational velocity of 10...
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