Factor of spontaneous emission into the optical dielectric waveguide mode

被引：2
|
作者：
Bogatov, A. P. [1 ]
机构：
[1] Russian Acad Sci, PN Lebedev Phys Inst, Leninsky Prosp 53, Moscow 119991, Russia
来源：
QUANTUM ELECTRONICS | 2017年 / 47卷 / 04期
关键词：
spontaneous emission factor; diode laser; optical amplifier; waveguide; DIODE AMPLIFIER; INJECTION-LASERS; BEAM POWER; PHASE; OUTPUT;
D O I：
10.1070/QEL16309
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：
Within the framework of a complete vector analysis, an expression for the factor of spontaneous emission into the transverse mode of a dielectric waveguide is found. The results are compared with those previously obtained in the framework of the scalar approximation. It is shown that their most significant quantitative difference is possible for waveguides used in diode lasers and amplifiers in which the transverse beam size is commensurable with the wavelength. The conditions for the applicability of the scalar approximation for calculating the spontaneous emission factor are obtained.
引用
收藏
页码：313 / 318
页数：6
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