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Large area photonic crystal quantum cascade laser with 5 W surface-emitting power
Swiss Fed Inst Technol, Inst Quantum Elect, Auguste Piccard Hof 1, CH-8093 Zurich, Switzerland..
Swiss Fed Inst Technol, Inst Quantum Elect, Auguste Piccard Hof 1, CH-8093 Zurich, Switzerland..
Swiss Fed Inst Technol, Inst Quantum Elect, Auguste Piccard Hof 1, CH-8093 Zurich, Switzerland..
KTH, School of Engineering Sciences (SCI), Applied Physics, Photonics.ORCID iD: 0000-0002-8545-6546
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2019 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 27, no 16, p. 22708-22716Article in journal (Refereed) Published
Abstract [en]

Room temperature surface emission is realized on a large area (1.5 mm x 1.5 mm) photonic crystal quantum cascade laser (PhC-QCL) driven under pulsed mode, at the wavelength around 8.75 mu m. By introducing in-plane asymmetry to the pillar shape and optimizing the current injection with a grid-like window contact, the maximum peak power of the PhC-QCL is up to 5 W. The surface emitting beam has a crossing shape with 10 degrees divergence.

Place, publisher, year, edition, pages
OPTICAL SOC AMER , 2019. Vol. 27, no 16, p. 22708-22716
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-257554DOI: 10.1364/OE.27.022708ISI: 000478790400079Scopus ID: 2-s2.0-85070311588OAI: oai:DiVA.org:kth-257554DiVA, id: diva2:1354581
Note

QC 20190925

Available from: 2019-09-25 Created: 2019-09-25 Last updated: 2019-10-16Bibliographically approved

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Sun, Yan-TingOmanakuttan, GiriprasanthLourdudoss, Sebastian

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Sun, Yan-TingOmanakuttan, GiriprasanthLourdudoss, SebastianFaist, Jerome
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