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Beam stability of b...
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Ha Ryu, JaeUniv Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA.
(author)
Beam stability of buried-heterostructure quantum cascade lasers employing HVPE regrowth
- Article/chapterEnglish2021
Publisher, publication year, extent ...
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The Optical Society,2021
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Numbers
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LIBRIS-ID:oai:DiVA.org:kth-289905
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-289905URI
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https://doi.org/10.1364/OE.414489DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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QC 20210217
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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.
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Kirch, Jeremy D.Univ Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA.
(author)
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Knipfer, BenjaminUniv Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA.
(author)
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Liu, ZeruiUniv Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA.
(author)
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Turville-Heitz, MorganIntraband LLC, 200 N Prospect Ave, Madison, WI 53726 USA.
(author)
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Earles, TomIntraband LLC, 200 N Prospect Ave, Madison, WI 53726 USA.
(author)
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Marsland, Robert A.Intraband LLC, 200 N Prospect Ave, Madison, WI 53726 USA.
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Strömberg, AxelKTH,Fotonik(Swepub:kth)u16koivb
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Omanakuttan, GiriprasanthKTH,Fotonik(Swepub:kth)u1japbst
(author)
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Sun, Yan-TingKTH,Fotonik(Swepub:kth)u126yqo4
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Lourdudoss, Sebastian,1953-KTH,Fotonik(Swepub:kth)u16044fg
(author)
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Botez, DanUniv Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA.
(author)
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Mawst, Luke J.Univ Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA.
(author)
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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)
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In:Optics Express: The Optical Society29:2, s. 2819-28261094-4087
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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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Marsland, Robert ...
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Strömberg, Axel
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Omanakuttan, Gir ...
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Botez, Dan
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Mawst, Luke J.
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Optics Express
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Royal Institute of Technology