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Fast terahertz imaging using a quantum cascade amplifier

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Fast terahertz imaging using a quantum cascade amplifier. / Ren, Yuan; Wallis, Robert; Jessop, David Stephen et al.
In: Applied Physics Letters, Vol. 107, No. 1, 011107, 06.07.2015.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Ren, Y, Wallis, R, Jessop, DS, Degl'Innocenti, R, Klimont, A, Beere, HE & Ritchie, DA 2015, 'Fast terahertz imaging using a quantum cascade amplifier', Applied Physics Letters, vol. 107, no. 1, 011107. https://doi.org/10.1063/1.4926602

APA

Ren, Y., Wallis, R., Jessop, D. S., Degl'Innocenti, R., Klimont, A., Beere, H. E., & Ritchie, D. A. (2015). Fast terahertz imaging using a quantum cascade amplifier. Applied Physics Letters, 107(1), Article 011107. https://doi.org/10.1063/1.4926602

Vancouver

Ren Y, Wallis R, Jessop DS, Degl'Innocenti R, Klimont A, Beere HE et al. Fast terahertz imaging using a quantum cascade amplifier. Applied Physics Letters. 2015 Jul 6;107(1):011107. doi: 10.1063/1.4926602

Author

Ren, Yuan ; Wallis, Robert ; Jessop, David Stephen et al. / Fast terahertz imaging using a quantum cascade amplifier. In: Applied Physics Letters. 2015 ; Vol. 107, No. 1.

Bibtex

@article{56bb94b5b83d4665939a356e17d7f1a3,
title = "Fast terahertz imaging using a quantum cascade amplifier",
abstract = "A terahertz (THz) imaging scheme based on the effect of self-mixing in a 2.9 THz quantum cascade (QC) amplifier has been demonstrated. By coupling an antireflective-coated silicon lens to the facet of a QC laser, with no external optical feedback, the laser mirror losses are enhanced to fully suppress lasing action, creating a THz QC amplifier. The addition of reflection from an external target to the amplifier creates enough optical feedback to initiate lasing action and the resulting emission enhances photon-assisted transport, which in turn reduces the voltage across the device. At the peak gain point, the maximum photon density coupled back leads to a prominent self-mixing effect in the QC amplifier, leading to a high sensitivity, with a signal to noise ratio up to 55 dB, along with a fast data acquisition speed of 20000 points per second.",
author = "Yuan Ren and Robert Wallis and Jessop, {David Stephen} and Riccardo Degl'Innocenti and Adam Klimont and Beere, {Harvey E.} and Ritchie, {David A.}",
year = "2015",
month = jul,
day = "6",
doi = "10.1063/1.4926602",
language = "English",
volume = "107",
journal = "Applied Physics Letters",
issn = "0003-6951",
publisher = "American Institute of Physics Inc.",
number = "1",

}

RIS

TY - JOUR

T1 - Fast terahertz imaging using a quantum cascade amplifier

AU - Ren, Yuan

AU - Wallis, Robert

AU - Jessop, David Stephen

AU - Degl'Innocenti, Riccardo

AU - Klimont, Adam

AU - Beere, Harvey E.

AU - Ritchie, David A.

PY - 2015/7/6

Y1 - 2015/7/6

N2 - A terahertz (THz) imaging scheme based on the effect of self-mixing in a 2.9 THz quantum cascade (QC) amplifier has been demonstrated. By coupling an antireflective-coated silicon lens to the facet of a QC laser, with no external optical feedback, the laser mirror losses are enhanced to fully suppress lasing action, creating a THz QC amplifier. The addition of reflection from an external target to the amplifier creates enough optical feedback to initiate lasing action and the resulting emission enhances photon-assisted transport, which in turn reduces the voltage across the device. At the peak gain point, the maximum photon density coupled back leads to a prominent self-mixing effect in the QC amplifier, leading to a high sensitivity, with a signal to noise ratio up to 55 dB, along with a fast data acquisition speed of 20000 points per second.

AB - A terahertz (THz) imaging scheme based on the effect of self-mixing in a 2.9 THz quantum cascade (QC) amplifier has been demonstrated. By coupling an antireflective-coated silicon lens to the facet of a QC laser, with no external optical feedback, the laser mirror losses are enhanced to fully suppress lasing action, creating a THz QC amplifier. The addition of reflection from an external target to the amplifier creates enough optical feedback to initiate lasing action and the resulting emission enhances photon-assisted transport, which in turn reduces the voltage across the device. At the peak gain point, the maximum photon density coupled back leads to a prominent self-mixing effect in the QC amplifier, leading to a high sensitivity, with a signal to noise ratio up to 55 dB, along with a fast data acquisition speed of 20000 points per second.

U2 - 10.1063/1.4926602

DO - 10.1063/1.4926602

M3 - Journal article

AN - SCOPUS:84936858531

VL - 107

JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

IS - 1

M1 - 011107

ER -