Angled-grating and photonic-crystal type-II antimonide lasers for high-brightness applications

被引：0

作者：

Bewley, WW ^{[1
]}

Vurgaftman, I ^{[1
]}

Felix, CL ^{[1
]}

Bartolo, RE ^{[1
]}

Lindle, JR ^{[1
]}

Jurkovic, MJ ^{[1
]}

Meyer, JR ^{[1
]}

Turner, GW ^{[1
]}

Manfra, MJ ^{[1
]}

Lee, H ^{[1
]}

Martinelli, RU ^{[1
]}

机构：

[1] USN, Res Lab, Washington, DC 20375 USA

来源：

PROCEEDINGS OF THE 10TH INTERNATIONAL CONFERENCE ON NARROW GAP SEMICONDUCTORS AND RELATED SMALL ENERGY PHENOMENA, PHYSICS AND APPLICATIONS | 2001年 / 2卷

关键词：

mid-IR lasers; antimonide type-II lasers; alpha-DFB lasers; PCDFB lasers; beam quality; brightness; ion bombardment;

D O I：

暂无

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：

Angled-grating distributed-feedback (alpha-DFB) and photonic-crystal DFB (PCDFB) lasers emitting in the mid-IR are promising sources for applications requiring a combination of high output power and good beam quality. We demonstrate that the beam quality and brightness of wide-stripe alpha-DFB lasers can be significantly enhanced by suppressing parasitic Fabry-Perot-like lasing modes that are not appreciably guided by the angled grating. A factor of 3 increase in brightness is demonstrated by using loss regions, created by bombardment with energetic silicon ions, to block the direct facet-to-facet gain path. Furthermore, it is shown that the beam quality of PCDFB lasers, in which a grating is defined on a two-dimensional lattice, can be improved over a-DFB devices by as much as a factor of 5.

引用

页码：125 / 128

页数：4

共 13 条

[1] High-brightness mid-infrared photonic-crystal distributed-feedback lasers
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Lee, H
Martinelli, RU
JOURNAL OF MODERN OPTICS, 2002, 49 (5-6) : 801 - 810
[2] Design optimization for high-brightness surface-emitting photonic-crystal distributed-feedback lasers
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[3] Double-lattice photonic-crystal resonators enabling high-brightness semiconductor lasers with symmetric narrow-divergence beams
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[4] Double-lattice photonic-crystal resonators enabling high-brightness semiconductor lasers with symmetric narrow-divergence beams
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[8] High performance optically-pumped type-II antimonide lasers
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