Amplified spontaneous emission in active channel waveguides produced by electron-beam lithography in LiF crystals

被引:72
作者
Montereali, RM
Piccinini, M
Burattini, E
机构
[1] ENEA, Div Appl Phys, CR Frascati, I-00044 Frascati, Roma, Italy
[2] Ist Nazl Fis Nucl, LNF, I-00044 Frascati, Roma, Italy
关键词
D O I
10.1063/1.1381568
中图分类号
O59 [应用物理学];
学科分类号
摘要
In this letter we report the observation of amplified spontaneous emission of the red light from LiF:F-2 centers in active channel waveguides realized by electron-beam lithography in lithium fluoride crystals. Low pumping power densities have been used in quasi-continuous-wave regime at room temperature; the appreciable values of the gain coefficients, 4.67 cm(-1) with an exciting power density of 0.31 W/cm(2) at 458 nm, make this material a good candidate for the realization of active integrated optical devices. (C) 2001 American Institute of Physics.
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页码:4082 / 4084
页数:3
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