FAR-INFRARED LASER OSCILLATION DUE TO CYCLOTRON EMISSION IN P-TYPE GERMANIUM

被引：6
|
作者：
KURODA, S [1 ]
KOMIYAMA, S [1 ]
机构：
[1] UNIV TOKYO,DEPT PURE & APPL SCI,MEGURO KU,TOKYO 153,JAPAN
来源：
INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES | 1991年 / 12卷 / 07期
关键词：
MAGNETIC-FIELDS; GE; ELECTRONS; OPERATION; SYSTEM;
D O I：
10.1007/BF01008907
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：
Far-infrared laser oscillation due to cyclotron emission in the light hole band of p-type germanium was observed under crossed electric and magnetic fields. The wavelength is inversely proportional to magnetic fields with a cyclotron mass of m(c) = 0.048 m0. Numerical calculations based on Luttinger Hamiltonian show that mixing of wavefunctions between the light and heavy hole bands causes population inversion between n = 0 and n = 1 light-hole Landau levels. It is also shown that non-equidistant energy spacing of light-hole Landau levels is essential to yield net amplification.
引用
收藏
页码：783 / 797
页数：15
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