Sub-wavelength terahertz spin-flip laser based on a magnetic point-contact array

Anatoliy M. Kadigrobov; Anatoliy M. Kadigrobov; Robert I. Shekhter; Mats Jonson; Mats Jonson; Mats Jonson; Elena I. Smotrova; Alexander I. Nosich; Vladislav Korenivski

doi:10.1364/FIO.2011.PDPA8

Frontiers in Optics 2011/Laser Science XXVII
OSA Technical Digest (Optica Publishing Group, 2011),
paper PDPA8
•https://doi.org/10.1364/FIO.2011.PDPA8

Sub-wavelength terahertz spin-flip laser based on a magnetic point-contact array

Anatoliy M. Kadigrobov, Robert I. Shekhter, Mats Jonson, Elena I. Smotrova, Alexander I. Nosich, and Vladislav Korenivski

Frontiers in Optics 2011

San Jose, California United States
16–20 October 2011
ISBN: 978-1-55752-917-6

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FiO Postdeadline Session A (PDPA)

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A. M. Kadigrobov, R. I. Shekhter, M. Jonson, E. I. Smotrova, A. I. Nosich, and V. Korenivski, "Sub-wavelength terahertz spin-flip laser based on a magnetic point-contact array," in Frontiers in Optics 2011/Laser Science XXVII, OSA Technical Digest (Optica Publishing Group, 2011), paper PDPA8.

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Abstract

We suggest a terahertz laser in which stimulated emission of light occurs due to spin-flips of polarized electrons injected into a metallic point contact array. The optical gain can reach g_opt ≈10⁵ ÷ 10⁶ cm⁻¹

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