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Microcavity Terahertz spin-flip laser proposal
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2011 (English)In: Int. Conf.Transparent Opt. Networks, 2011Conference paper, Published paper (Refereed)
Abstract [en]

We present a novel design for a single-mode, truly sub-wavelength THz disk laser based on a nano-composite gain medium comprising an array of metal or ferromagnetic point contacts embedded in a thin dielectric layer. Stimulated emission of light occurs due to spin-flip relaxation of spin-polarized electrons injected from the ferromagnetic side of the contacts. Ultra-high electrical current densities in the contacts and a dielectric material with a large refractive index, neither condition being achievable in conventional semiconductor media, allows the thresholds of lasing to be overcome for the lowest-order modes of the disk, hence making single-mode operation possible.

Place, publisher, year, edition, pages
2011.
Series
International Conference on Transparent Optical Networks, ISSN 2162-7339
Keyword [en]
disk laser, magnetic point contact, spin-flip, sub-wavelength microcavity, terahertz waves, Disk lasers, Magnetic point contacts, Sub-wavelength, Tera Hertz, Dielectric materials, Ferromagnetic materials, Ferromagnetism, Fiber optic networks, Microcavities, Nanocomposite films, Nanocomposites, Point contacts, Praseodymium compounds, Refractive index, Semiconductor lasers, Transparent optical networks
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-150685DOI: 10.1109/ICTON.2011.5970968ISI: 000297859300205Scopus ID: 2-s2.0-80155131366ISBN: 9781457708800 (print)OAI: oai:DiVA.org:kth-150685DiVA: diva2:744883
Conference
2011 13th International Conference on Transparent Optical Networks, ICTON 2011, 26 June 2011 through 30 June 2011, Stockholm, Sweden
Note

QC 20140909

Available from: 2014-09-09 Created: 2014-09-08 Last updated: 2014-09-09Bibliographically approved

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Korenivski, Vladislav N.

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CiteExportLink to record
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Citation style
  • apa
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  • vancouver
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Output format
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