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Single mode terahertz quantum cascade amplifier

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Single mode terahertz quantum cascade amplifier. / Ren, Y.; Wallis, R.; Shah, Y. D. et al.
In: Applied Physics Letters, Vol. 105, No. 14, 141102, 10.2014.

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

Harvard

Ren, Y, Wallis, R, Shah, YD, Jessop, DS, Degl'Innocenti, R, Klimont, A, Kamboj, V, Beere, HE & Ritchie, DA 2014, 'Single mode terahertz quantum cascade amplifier', Applied Physics Letters, vol. 105, no. 14, 141102. https://doi.org/10.1063/1.4897438

APA

Ren, Y., Wallis, R., Shah, Y. D., Jessop, D. S., Degl'Innocenti, R., Klimont, A., Kamboj, V., Beere, H. E., & Ritchie, D. A. (2014). Single mode terahertz quantum cascade amplifier. Applied Physics Letters, 105(14), Article 141102. https://doi.org/10.1063/1.4897438

Vancouver

Ren Y, Wallis R, Shah YD, Jessop DS, Degl'Innocenti R, Klimont A et al. Single mode terahertz quantum cascade amplifier. Applied Physics Letters. 2014 Oct;105(14):141102. Epub 2014 Oct 6. doi: 10.1063/1.4897438

Author

Ren, Y. ; Wallis, R. ; Shah, Y. D. et al. / Single mode terahertz quantum cascade amplifier. In: Applied Physics Letters. 2014 ; Vol. 105, No. 14.

Bibtex

@article{873787d0dcf6430e9cebafb50d78bcc9,
title = "Single mode terahertz quantum cascade amplifier",
abstract = "A terahertz (THz) optical amplifier based on a 2.9 THz quantum cascade laser (QCL) structure has been demonstrated. By depositing an antireflective coating on the QCL facet, the laser mirror losses are enhanced to fully suppress the lasing action, creating a THz quantum cascade (QC) amplifier. Terahertz radiation amplification has been obtained, by coupling a separate multi-mode THz QCL of the same active region design to the QC amplifier. A bare cavity gain is achieved and shows excellent agreement with the lasing spectrum from the original QCL without the antireflective coating. Furthermore, a maximum optical gain of ∼30 dB with single-mode radiation output is demonstrated.",
author = "Y. Ren and R. Wallis and Shah, {Y. D.} and Jessop, {D. S.} and Riccardo Degl'Innocenti and A. Klimont and V. Kamboj and Beere, {H. E.} and Ritchie, {D. A.}",
year = "2014",
month = oct,
doi = "10.1063/1.4897438",
language = "English",
volume = "105",
journal = "Applied Physics Letters",
issn = "0003-6951",
publisher = "American Institute of Physics Inc.",
number = "14",

}

RIS

TY - JOUR

T1 - Single mode terahertz quantum cascade amplifier

AU - Ren, Y.

AU - Wallis, R.

AU - Shah, Y. D.

AU - Jessop, D. S.

AU - Degl'Innocenti, Riccardo

AU - Klimont, A.

AU - Kamboj, V.

AU - Beere, H. E.

AU - Ritchie, D. A.

PY - 2014/10

Y1 - 2014/10

N2 - A terahertz (THz) optical amplifier based on a 2.9 THz quantum cascade laser (QCL) structure has been demonstrated. By depositing an antireflective coating on the QCL facet, the laser mirror losses are enhanced to fully suppress the lasing action, creating a THz quantum cascade (QC) amplifier. Terahertz radiation amplification has been obtained, by coupling a separate multi-mode THz QCL of the same active region design to the QC amplifier. A bare cavity gain is achieved and shows excellent agreement with the lasing spectrum from the original QCL without the antireflective coating. Furthermore, a maximum optical gain of ∼30 dB with single-mode radiation output is demonstrated.

AB - A terahertz (THz) optical amplifier based on a 2.9 THz quantum cascade laser (QCL) structure has been demonstrated. By depositing an antireflective coating on the QCL facet, the laser mirror losses are enhanced to fully suppress the lasing action, creating a THz quantum cascade (QC) amplifier. Terahertz radiation amplification has been obtained, by coupling a separate multi-mode THz QCL of the same active region design to the QC amplifier. A bare cavity gain is achieved and shows excellent agreement with the lasing spectrum from the original QCL without the antireflective coating. Furthermore, a maximum optical gain of ∼30 dB with single-mode radiation output is demonstrated.

U2 - 10.1063/1.4897438

DO - 10.1063/1.4897438

M3 - Journal article

AN - SCOPUS:84907863524

VL - 105

JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

IS - 14

M1 - 141102

ER -