Room-temperature operation of 3.6 μm In0.53Ga0.47As/Al0.48In0.52As quantum cascade laser sources based on intracavity second harmonic generation

被引：18

作者：

Jang, M. ^{[1
]}

Adams, R. W. ^{[1
]}

Chen, J. X. ^{[2
,3
]}

Charles, W. O. ^{[2
,3
]}

Gmachl, C. ^{[2
,3
]}

Cheng, L. W. ^{[4
]}

Choa, F-S ^{[4
]}

Belkin, M. A. ^{[1
]}

机构：

[1] Univ Texas Austin, Dept Elect & Comp Engn, Austin, TX 78758 USA

[2] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA

[3] Princeton Univ, MIRTHE, Princeton, NJ 08544 USA

[4] Univ Maryland Baltimore Cty, Dept Comp Sci & Elect Engn, Baltimore, MD 21250 USA

来源：

APPLIED PHYSICS LETTERS | 2010年 / 97卷 / 14期

关键词：

FREQUENCY-GENERATION; PERFORMANCE;

D O I：

10.1063/1.3491219

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We discuss a design of short-wavelength quantum cascade laser sources based on intracavity second harmonic generation. A passive heterostructure tailored for giant optical nonlinearity is integrated on top of an active region and patterned for quasiphase matching. We demonstrate operation of lambda approximate to 3.6 mu m lattice-matched InGaAs/AlInAs/InP sources with approximately 6 mu W of second-harmonic output at room temperature and conversion efficiency of approximately 130 mu W/W-2. Threshold current densities of devices with a nonlinear section were similar to that of the reference lasers without the nonlinear section. c 2010 American Institute of Physics. [doi:10.1063/1.3491219]

引用

页数：3

共 19 条

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