Far-field emission narrowing effect of microdisk lasers

被引：18

作者：

Lee, TD ^{[1
]}

Cheng, PH ^{[1
]}

Pan, JS ^{[1
]}

Tsai, RS ^{[1
]}

Lai, Y ^{[1
]}

Tai, K ^{[1
]}

机构：

[1] Natl Chiao Tung Univ, Inst Electroopt Engn, Hsinchu, Taiwan

来源：

APPLIED PHYSICS LETTERS | 1998年 / 72卷 / 18期

关键词：

D O I：

10.1063/1.121328

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Far-field intensity distribution of semiconductor microdisk lasers is experimentally measured and the emission angle is found to be much smaller than that of a planar source with the same near-held width. In fact the emission angle is determined mainly by the disk radius instead of the disk thickness. A scalar diffraction theory in the cylindrical coordinate is developed to explain such an emission-angle-narrowing phenomenon and numerical calculation based on a vectorial diffraction theory is carried out to explain the measured polarization state. (C) 1998 American Institute of Physics.

引用

页码：2223 / 2225

页数：3

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