All-optical inverter operating at 1.53 μm laser in erbium yttrium aluminum garnets

被引：16
作者：
Maeda, Y [1 ]
机构：
[1] Toyota Technol Inst, Dept Informat & Control Engn, Tempaku Ku, Nagoya, Aichi 4688511, Japan
来源：
APPLIED PHYSICS LETTERS | 1999年 / 74卷 / 12期
关键词：
D O I：
10.1063/1.123643
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An all-optical inverter derived from the negative nonlinear absorption effect was demonstrated in erbium-yttrium aluminum garnet crystals using 1.53 mu m laser diode. The effect was obtained at wavelengths of 1532 to 1534 nm in absorption spectra corresponding to the transition from the I-4(15/2) to the I-4(13/2) levels in Er3+ for sample lengths greater than 1.0 mm. The reversed-phase transmitted wave forms were observed at modulation frequencies from 1 kHz to 1 GHz. The negative nonlinear absorption effect can be explained by considering an enhanced absorption model for a four-level system of the Er3+ ion. (C) 1999 American Institute of Physics. [S0003-6951(99)00312-5].
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页码：1651 / 1653
页数：3
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