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

页码：783 / 797

页数：15

共 50 条

[1] NONLINEAR MAGNETIC-FIELD DEPENDENCE OF THE EMISSION FREQUENCY AND BANDWIDTH OF A FAR-INFRARED P-TYPE GE CYCLOTRON LASER
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