Continuous-wave emission from midinfrared IV-VI vertical-cavity surface-emitting lasers

被引：12
|
作者：
Fürst, J
Pascher, H
Schwarzl, T
Böberl, M
Springholz, G
Bauer, G
Heiss, W
机构：
[1] Univ Bayreuth, D-95447 Bayreuth, Germany
[2] Johannes Kepler Univ Linz, Inst Halbleiter & Festkorperphys, A-4040 Linz, Austria
来源：
APPLIED PHYSICS LETTERS | 2004年 / 84卷 / 17期
关键词：
Continuous wave lasers - Energy gap - Light emission - Light transmission - Mirrors - Molecular beam epitaxy - Optical pumping - Photodetectors - Resonance - Spontaneous emission - Substrates - Thermal effects;
D O I：
10.1063/1.1719277
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Continuous-wave emission of two midinfrared PbSe vertical-cavity surface-emitting laser structures is presented. For both structures, optically pumped cw laser emission is observed at a wavelength of about 7.9 mum. Stimulated emission is found up to temperatures of 80 K. We achieved internal threshold pump intensities of down to 25 W/cm(2), which is two orders of magnitude smaller than reported so far. The linewidth of the laser emission is only 18 mueV (0.9 nm) with a strong narrowing as compared to the linewidth of the cavity resonance. Continuous-wave output powers are up to 350 muW. (C) 2004 American Institute of Physics.
引用
收藏
页码：3268 / 3270
页数：3
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