Far- and near-field investigations on the lasing modes in two-dimensional photonic crystal slab lasers

被引：31

作者：

Shin, DJ ^{[1
]}

Kim, SH ^{[1
]}

Hwang, JK ^{[1
]}

Ryu, HY ^{[1
]}

Park, HG ^{[1
]}

Song, DS ^{[1
]}

Lee, YH ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Phys, Taejon 305701, South Korea

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2002年 / 38卷 / 07期

关键词：

far-field; near-field; photonic crystal; semiconductor laser; whispering-gallery-like mode;

D O I：

10.1109/JQE.2002.1017598

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：

We present experimental investigations on the lasing modes in two-dimensional (2-D) hexagonal cavities defined by photonic crystals on slab waveguide structures. The far-field emission patterns and near-field intensity distributions of the lasing modes are analyzed in polarization-resolved 2-D angular distribution measurements and spectrally resolved near-field scanning optical microscopy. The far- and near-field analyses result in identification of the various lasing modes and their subsequent classification into one- and two-dimensional modes. In the one-dimensional modes oscillating between two parallel boundaries of the cavities, longitudinal and transverse modes are identified and found to have transverse-electric polarization. In the two-dimensional modes oscillating two-dimensionally in the cavities, various modes including whispering-gallery-like modes are observed and found to exhibit various polarization states.

引用

页码：857 / 866

页数：10

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