Journal
OPTICS LETTERS
Volume 36, Issue 17, Pages 3437-3439Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.36.003437
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Funding
- National Science Foundation (NSF) [DMR-0701526]
- National Natural Science Foundation of China (NSFC) [60907039]
- West Light Foundation
- Chinese Academy of Sciences (CAS)
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A solid-core tellurite glass fiber with 1.8 dB/m loss at 1.55 mu m was made by using the built-in casting preform fabrication method and rod-in-tube fiber drawing technique. Pumping a 10 cm fiber piece with picosecond pulses of 3-5 x 10(12) W/cm(2), 0.1% of the fundamental power limited by the coherence length of 0.3-5 mu m was converted into visible third-harmonic power tunable over a broad near-IR wavelength ranging from 1500 to 1680 nm. Frequency conversion from the mid-IR to near-IR was found to be even more efficient due to the longer coherence lengths of 12-20 mu m in the wavelength range of 2200-2500 nm. (C) 2011 Optical Society of America
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