Zobrazeno 1 - 10
of 453
pro vyhledávání: '"Reno, John L."'
Publikováno v:
Laser & Photonics Reviews, 2023, 2300007 (2023)
RF injection locking and spectral broadening of a terahertz (THz) quantum-cascade vertical-external-cavity surface-emitting laser (QC-VECSEL) is demonstrated. An intra-cryostat VECSEL focusing cavity design is used to enable continuous-wave lasing wi
Externí odkaz:
http://arxiv.org/abs/2301.04806
Autor:
Jung, Hyunseung, Hale, Lucy L., Gennaro, Sylvain D., Briscoe, Jayson, Iyer, Prasad P., Doiron, Chloe F., Harris, C. Thomas, Luk, Ting Shan, Addamane, Sadhvikas J, Reno, John L., Brener, Igal, Mitrofanov, Oleg
The effect of terahertz (THz) pulse generation has revolutionized broadband coherent spectroscopy and imaging at THz frequencies. However, THz pulses typically lack spatial structure, whereas structured beams are becoming essential for advanced spect
Externí odkaz:
http://arxiv.org/abs/2211.03840
Autor:
Lander Gower Nathalie, Levy Shiran, Piperno Silvia, Addamane Sadhvikas J., Reno John L., Albo Asaf
Publikováno v:
Nanophotonics, Vol 13, Iss 10, Pp 1725-1733 (2024)
We propose a method to extract the upper laser level’s (ULL’s) excess electronic temperature from the analysis of the maximum light output power (P max) and current dynamic range ΔJ d = (J max − J th) of terahertz quantum cascade lasers (THz Q
Externí odkaz:
https://doaj.org/article/e07fbbc2d60748f2ae2be30ddb49c539
Autor:
Hale, Lucy L, Keller, Janine, Siday, Thomas, Hermans, Rodolfo I, Haase, Johannes, Reno, John L, Brener, Igal, Scalari, Giacomo, Faist, Jérôme, Mitrofanov, Oleg
Publikováno v:
Laser & Photonics Reviews 2020, 14, 1900254
Subwavelength metallic resonators provide a route to achieving strong light-matter coupling by means of tight confinement of resonant electromagnetic fields. Investigation of such resonators however often presents experimental difficulties, particula
Externí odkaz:
http://arxiv.org/abs/2012.09137
Autor:
Suresh, Vishnunarayanan, Pinsolle, Edouard, Lupien, Christian, Martz-Oberlander, Talia J., Lilly, Michael P., Reno, John L., Gervais, Guillaume, Szkopek, Thomas, Reulet, Bertrand
Publikováno v:
Phys. Rev. B 102, 085302 (2020)
We report {\it quantitative} microwave Faraday rotation measurements conducted with a high-mobility two-dimensional electron gas (2DEG) in a GaAs/AlGaAs semiconductor heterostructure. In a magnetic field, the Hall effect and the Faraday effect arise
Externí odkaz:
http://arxiv.org/abs/1906.11230
Autor:
Liu, Sheng, Vabishchevich, Polina P., Vaskin, Aleksandr, Reno, John L., Keeler, Gordon A., Sinclair, Michael B., Staude, Isabelle, Brener, Igal
A frequency mixer is a nonlinear device that combines electromagnetic waves to create waves at new frequencies. Mixers are ubiquitous components in modern radio-frequency technology and are widely used in microwave signal processing. The development
Externí odkaz:
http://arxiv.org/abs/1711.00090
Akademický článek
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Publikováno v:
APL Photonics 2, 026101 (2017)
A new tuning mechanism is demonstrated for single-mode metal-clad plasmonic lasers, in which refractive-index of the laser's surrounding medium affects the resonant-cavity mode in the same vein as refractive-index of gain medium inside the cavity. Re
Externí odkaz:
http://arxiv.org/abs/1607.06991
Autor:
Campione, Salvatore, Liu, Sheng, Basilio, Lorena I., Warne, Larry K., Langston, William L., Luk, Ting S., Wendt, Joel R., Reno, John L., Keeler, Gordon A., Brener, Igal, Sinclair, Michael B.
We present a new approach to dielectric metasurface design that relies on a single resonator per unit cell and produces robust, high quality-factor Fano resonances. Our approach utilizes symmetry breaking of highly symmetric resonator geoemetries, su
Externí odkaz:
http://arxiv.org/abs/1607.06469
Autor:
Dyer, Gregory C., Aizin, Gregory R., Allen, S. James, Grine, Albert D., Bethke, Don, Reno, John L., Shaner, Eric A.
Publikováno v:
Proc. of SPIE 9102, 91020L (2014)
The device applications of plasmonic systems such as graphene and two dimensional electron gases (2DEGs) in III-V heterostructures include terahertz detectors, mixers, oscillators and modulators. These two dimensional (2D) plasmonic systems are not o
Externí odkaz:
http://arxiv.org/abs/1605.03132