期刊
OPTICS LETTERS
卷 35, 期 7, 页码 1070-1072出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.35.001070
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资金
- Deutsche Telekom Stiftung
- Crystal Technology, Inc.
- Defense Advanced Research Projects Agency (DARPA), Celight, Inc. [W911QX-06-C0101]
- U.S. Air Force Office of Scientific Research (AFOSR) [FA9550-09-1-0233, FA9550-05-1-0180]
Absorption measurements on 5 mol. % MgO-doped and undoped congruent lithium niobate (LiNbO3) crystals revealed absorption bands in the wavelength range of 2500-2800 nm, caused by incorporated hydrogen ions. High-temperature annealing was applied to the congruent LiNbO3 (CLN) crystals, which decreased the absorption significantly. Then the annealed CLN crystals were periodically poled. As an application of the low-loss annealed CLN crystal, the operation of a 1550 nm pumped singly resonant CW optical parametric oscillator, resonant around 2600 nm, using a periodically poled crystal was demonstrated. (C) 2010 Optical Society of America
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