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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 ...

  • The Optical Society,2021
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kth-289905
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-289905URI
  • https://doi.org/10.1364/OE.414489DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • QC 20210217
  • 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 and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Kirch, Jeremy D.Univ Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA. (author)
  • Knipfer, BenjaminUniv Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA. (author)
  • Liu, ZeruiUniv Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA. (author)
  • Turville-Heitz, MorganIntraband LLC, 200 N Prospect Ave, Madison, WI 53726 USA. (author)
  • Earles, TomIntraband LLC, 200 N Prospect Ave, Madison, WI 53726 USA. (author)
  • Marsland, Robert A.Intraband LLC, 200 N Prospect Ave, Madison, WI 53726 USA. (author)
  • Strömberg, AxelKTH,Fotonik(Swepub:kth)u16koivb (author)
  • Omanakuttan, GiriprasanthKTH,Fotonik(Swepub:kth)u1japbst (author)
  • Sun, Yan-TingKTH,Fotonik(Swepub:kth)u126yqo4 (author)
  • Lourdudoss, Sebastian,1953-KTH,Fotonik(Swepub:kth)u16044fg (author)
  • Botez, DanUniv Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA. (author)
  • Mawst, Luke J.Univ Wisconsin, Dept Elect & Comp Engn, 1415 Engn Dr, Madison, WI 53706 USA. (author)
  • 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)

Related titles

  • In:Optics Express: The Optical Society29:2, s. 2819-28261094-4087

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