Výsledky vyhledávání - "J R, Freeman"

Akademický článek

Field-resolved high-order sub-cycle nonlinearities in a terahertz semiconductor laser

Autor: J. Riepl, J. Raab, P. Abajyan, H. Nong, J. R. Freeman, L. H. Li, E. H. Linfield, A. G. Davies, A. Wacker, T. Albes, C. Jirauschek, C. Lange, S. S. Dhillon, R. Huber

Publikováno v: Light: Science & Applications, Vol 10, Iss 1, Pp 1-10 (2021)

Two-dimensional terahertz strong-field spectroscopy reveals wave-mixing processes up to eighth order in a free-running quantum cascade laser, unraveling its sub-cycle gain dynamics and nonlinearities in a regime of negative absorption. Two-dimensiona

Externí odkaz: https://doaj.org/article/85ae389e73ee4fd08ca5394c6e029f3f

Zobrazit plný text záznamu

Precise determination of the low-energy electronuclear Hamiltonian of LiY1−xHoxF4

Autor: A. Beckert, M. Grimm, R. I. Hermans, J. R. Freeman, E. H. Linfield, A. G. Davies, M. Müller, H. Sigg, S. Gerber, G. Matmon, G. Aeppli

Publikováno v: Physical Review B. 106

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b54e31d8252897f069c0c933b80f77e2
https://doi.org/10.1103/physrevb.106.115119

Zobrazit plný text záznamu

Improving the Efficiency of LT-GaAs Photoconductive Arrays on Optically Transparent Substrates for High Field THz Generation

Autor: C. Kidd, M. Rosamond, L. Chen, T. B. Gill, L.H. Li, E. H. Linfield, A. G. Davies, J. R. Freeman

Publikováno v: 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz).

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::17d7fa76e9398fd5995370e8371465b2
https://doi.org/10.1109/irmmw-thz50927.2022.9895504

Zobrazit plný text záznamu

LiNbO3 Waveguide for Efficient CW THz Generation

Autor: J. A. C. Richards, M. C. Rosamond, A. G. Davies, E. H. Linfield, J. R. Freeman

Publikováno v: 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz).

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf439e0e90eacf9ace5ccc0a3947a599
https://doi.org/10.1109/irmmw-thz50927.2022.9895963

Zobrazit plný text záznamu

Sub-cycle high-order nonlinearities in a terahertz quantum cascade laser

Autor: J. Riepl, J. Raab, P. Abajyan, H. Nong, J. R. Freeman, L. H. Li, E. H. Linfield, A. G. Davies, A. Wacker, T. Albes, C. Jirauschek, C. Lange, S. S. Dhillon, R. Huber

Publikováno v: 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz).

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c030fa2044bce1f65d923c1664580c0
https://doi.org/10.1109/irmmw-thz50927.2022.9895597

Zobrazit plný text záznamu

Sub-cycle high-order nonlinearities in a free-running terahertz semiconductor laser

Autor: J. Riepl, J. Raab, P. Abajyan, H. Nong, J. R. Freeman, L. H. Li, E. H. Linfield, A. G. Davies, A. Wacker, T. Albes, C. Jirauschek, C. Lange, S. S. Dhillon, R. Huber

Publikováno v: The International Conference on Ultrafast Phenomena (UP) 2022.

Field-resolved two-dimensional spectroscopy reveals the sub-cycle gain dynamics of a free-running terahertz quantum cascade laser and disentangles resonantly enhanced nonlinearities up to eight-wave mixing in a regime where gain replaces absorption.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c20d02083280bb21030bee3b4fe2b194
https://doi.org/10.1364/up.2022.tu5a.2

Zobrazit plný text záznamu

Ultrafast Two-Dimensional Time-Domain Spectroscopy of HydrogenLike Impurity Centers in Germanium

Autor: T. B. Gill, C. Kidd, P. Dean, A. D. Burnett, A. Dunn, S. G. Pavlov, N. V. Abrosimov, H.-W. Hubers, E.H. Linfield, A.G. Davies, J. R. Freeman

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4aec7ed094901c6dcd94da50aa929c2
https://elib.dlr.de/190379/

Zobrazit plný text záznamu

Field-resolved high-order nonlinearities in a free-running terahertz quantum cascade laser

Autor: J. Riepl, J. Raab, P. Abajyan, H. Nong, J. R. Freeman, L. H. Li, E. H. Linfield, A. G. Davies, A. Wacker, T. Albes, C. Jirauschek, C. Lange, S. S. Dhillon, R. Huber

Publikováno v: Conference on Lasers and Electro-Optics.

Two-dimensional terahertz strong-field spectroscopy reveals wave-mixing processes up to eighth order in a free-running quantum cascade laser, unravelling its sub-cycle gain dynamics and nonlinearities in a regime of negative absorption.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::23cb1534889a656971492c04dfcb6e90
https://doi.org/10.1364/cleo_at.2022.jf3a.2

Zobrazit plný text záznamu

Pulsed Photoconductive Connected Slot Array Operating at the Sub-mm Wavelength Band

Autor: A. Garufo, A. G. Davies, I. E. Lager, N. Llombart, A. Neto, P. Sberna, G. Carluccio, J. R. Freeman, D. R. Bacon, L. Li, J. Bueno, J. J. A. Baselmans, E. H. Linfield

Publikováno v: 2019 49th European Microwave Conference (EuMC).

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ca808c7e56121f090e4f35bc053b6951
https://doi.org/10.23919/eumc.2019.8910907

Zobrazit plný text záznamu

Silver-based surface plasmon waveguide for terahertz quantum cascade lasers

Autor: Y J, Han, L H, Li, J, Zhu, A, Valavanis, J R, Freeman, L, Chen, M, Rosamond, P, Dean, A G, Davies, E H, Linfield

Publikováno v: Optics express. 26(4)

Terahertz-frequency quantum cascade lasers (THz QCLs) based on ridge waveguides incorporating silver waveguide layers have been investigated theoretically and experimentally, and compared with traditional gold-based devices. The threshold gain associ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::c6f3d3ea48f0936c4ff89cf15afa089c
https://pubmed.ncbi.nlm.nih.gov/29475360

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání