期刊
OPTICS EXPRESS
卷 16, 期 17, 页码 12786-12793出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.16.012786
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资金
- UK Engineering and Physical Sciences Research Council (EPSRC)
- Leverhulme Trust [F00276E]
We use a two-dimensional deformable mirror to shape the spatial profile of an ultrafast laser beam that is then used to inscribe structures in a soda-lime silica glass slide. By doing so we demonstrate that it is possible to control the asymmetry of the cross section of ultrafast laser inscribed optical waveguides via the curvature of the deformable mirror. When tested using 1.55 mu m light, the optimum waveguide exhibited coupling losses of approximate to 0.2 dB/facet to Corning SMF-28 single mode fiber and propagation losses of approximate to 1.5 dB.cm(-1). This technique promises the possibility of combining rapid processing speeds with the ability to vary the waveguide cross section along its length. (C) 2008 Optical Society of America.
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