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Beam stability of b...
Beam stability of buried-heterostructure quantum cascade lasers employing HVPE regrowth
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- Ha Ryu, Jae (author)
- Univ Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA.
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- Kirch, Jeremy D. (author)
- Univ Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA.
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- Knipfer, Benjamin (author)
- Univ Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA.
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- Liu, Zerui (author)
- Univ Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA.
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- Turville-Heitz, Morgan (author)
- Intraband LLC, 200 N Prospect Ave, Madison, WI 53726 USA.
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- Earles, Tom (author)
- Intraband LLC, 200 N Prospect Ave, Madison, WI 53726 USA.
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- Marsland, Robert A. (author)
- Intraband LLC, 200 N Prospect Ave, Madison, WI 53726 USA.
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- Strömberg, Axel (author)
- KTH,Fotonik
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- Omanakuttan, Giriprasanth (author)
- KTH,Fotonik
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- Sun, Yan-Ting (author)
- KTH,Fotonik
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- Lourdudoss, Sebastian, 1953- (author)
- KTH,Fotonik
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- Botez, Dan (author)
- Univ Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA.
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- Mawst, Luke J. (author)
- Univ Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA.
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Univ Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA Intraband LLC, 200 N Prospect Ave, Madison, WI 53726 USA. (creator_code:org_t)
- The Optical Society, 2021
- 2021
- English.
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In: Optics Express. - : The Optical Society. - 1094-4087. ; 29:2, s. 2819-2826
- Related links:
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Abstract
Subject headings
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- Measurements of beam stability for mid-infrared (IR)-emitting quantum cascade lasers (QCLs) are important for applications that require the beam to travel through air to remote targets, such as free-space communication links. We report beam-quality measurement results of narrow-ridge, 4.6 mu m-emitting buried-heterostructure (BH) QCLs fabricated using ICP etching and HVPE regrowth. Beam-quality measurements under QCW operation exhibit M-2 < 1.2 up to 1 W for similar to 5 mu m-wide ridges. 5 mu m-wide devices display some small degree of centroid motion with increasing output power (< 0.125 mrad), which corresponds to a targeting error of similar to 1.25 cm over a distance of 100 m.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Ha Ryu, Jae
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Kirch, Jeremy D.
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Knipfer, Benjami ...
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Liu, Zerui
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Turville-Heitz, ...
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Earles, Tom
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show more...
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Marsland, Robert ...
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Strömberg, Axel
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Omanakuttan, Gir ...
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Sun, Yan-Ting
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Lourdudoss, Seba ...
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Botez, Dan
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Mawst, Luke J.
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
- Articles in the publication
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Optics Express
- By the university
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Royal Institute of Technology