Bandwidth-limited diffraction of femtosecond pulses from photorefractive quantum wells

被引:17
作者
Brubaker, RM [1 ]
Ding, Y [1 ]
Nolte, DD [1 ]
Melloch, MR [1 ]
Weiner, AM [1 ]
机构
[1] PURDUE UNIV, SCH ELECT & COMP ENGN, W LAFAYETTE, IN 47907 USA
基金
美国国家科学基金会;
关键词
bandwidth-limitation; electric-field cross correlation; femtosecond pulse shaping; low-intensity characterization; photorefractive quantum well; quantum-well electroabsorption; spectral holography; spectral interferometry; transform-limited pulse;
D O I
10.1109/3.644095
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The diffraction of 100-fs pulses from the static gratings of photorefractive quantum wells (QW's) produces diffracted pulses that are nearly transform-limited, despite the strong dispersion near the quantum-confined escitonic transitions, This quality makes the QW's candidates for use in femtosecond pulse shaping, although the currently limited bandwidth of the quantum-confined escitonic transitions broadens the diffracted pulses, Femtosecond electric-field cross correlation and spectral interferometry techniques completely characterize the low-intensity pulses diffracted from stand-alone photorefractive QW's, and from QW's placed inside a Fourier-domain femtosecond pulse shaper.
引用
收藏
页码:2150 / 2158
页数:9
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