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Opt Express. 2010 Jan 18;18(2):439-45. doi: 10.1364/OE.18.000439.

Short wavelength infrared frequency conversion in ultra-compact fiber device.

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  • 1University of California, San Diego, La Jolla, CA 92093, USA.


Linear and nonlinear characteristics of devices using millimeter-scale spools of highly nonlinear fiber are experimentally investigated within 2000-2400nm spectral range. Coils with radius larger than 3.5 mm indicate that macro-bending induced radiation loss is negligible up to 2400nm. Devices with smaller diameter coiling resulted in macro-bending losses that dominate over micro-bending losses beyond 2200nm. A tunable short-wave infrared source was constructed using a coin-sized fiber module to demonstrate an efficient nonlinear conversion from 1.26 to 2.2 microm.

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