Terahertz quantum cascade lasers in a magnetic field

V. Tamosiunas; R. Zobl; J. Ulrich; K. Unterrainer; R. Colombelli; C. Gmachl; K. West; L. Pfeiffer; F. Capasso

doi:10.1063/1.1626018

Terahertz quantum cascade lasers in a magnetic field

V. Tamosiunas, R. Zobl, J. Ulrich, K. Unterrainer, R. Colombelli, C. Gmachl, K. West, L. Pfeiffer, F. Capasso

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25 Scopus citations

Abstract

The behavior of a terahertz (THz) quantum cascade laser (QCL) in a magnetic field was investigated. Reactive ion etching was used to process the laser devices into ridges through the active zone down to the bottom contact layer. The measurements were performed with the device mounted in a cryostat equipped with two superconducting magnets. A reduction of the threshold current density was observed with increasing applied fields.

Original language	English (US)
Pages (from-to)	3873-3875
Number of pages	3
Journal	Applied Physics Letters
Volume	83
Issue number	19
DOIs	https://doi.org/10.1063/1.1626018
State	Published - Nov 10 2003
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.1626018

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author = "V. Tamosiunas and R. Zobl and J. Ulrich and K. Unterrainer and R. Colombelli and C. Gmachl and K. West and L. Pfeiffer and F. Capasso",

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AU - Tamosiunas, V.

AU - Zobl, R.

AU - Ulrich, J.

AU - Unterrainer, K.

AU - Colombelli, R.

AU - Gmachl, C.

AU - West, K.

AU - Pfeiffer, L.

AU - Capasso, F.

PY - 2003/11/10

Y1 - 2003/11/10

N2 - The behavior of a terahertz (THz) quantum cascade laser (QCL) in a magnetic field was investigated. Reactive ion etching was used to process the laser devices into ridges through the active zone down to the bottom contact layer. The measurements were performed with the device mounted in a cryostat equipped with two superconducting magnets. A reduction of the threshold current density was observed with increasing applied fields.

AB - The behavior of a terahertz (THz) quantum cascade laser (QCL) in a magnetic field was investigated. Reactive ion etching was used to process the laser devices into ridges through the active zone down to the bottom contact layer. The measurements were performed with the device mounted in a cryostat equipped with two superconducting magnets. A reduction of the threshold current density was observed with increasing applied fields.

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Terahertz quantum cascade lasers in a magnetic field

Abstract

All Science Journal Classification (ASJC) codes

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