Zobrazeno 1 - 10
of 142
pro vyhledávání: '"Degl'Innocenti Riccardo"'
Publikováno v:
Nanophotonics, Vol 11, Iss 8, Pp 1485-1514 (2022)
The terahertz (0.1–10 THz) range represents a fast-evolving research and industrial field. The great interest for this portion of the electromagnetic spectrum, which lies between the photonics and the electronics ranges, stems from the unique and d
Externí odkaz:
https://doaj.org/article/cdc9fd1eb63f4be6b4d79620e9c42e80
Publikováno v:
Nanophotonics, Vol 7, Iss 1, Pp 127-144 (2018)
Terahertz (0.1–10 THz corresponding to vacuum wavelengths between 30 μm and 3 mm) research has experienced impressive progress in the last few decades. The importance of this frequency range stems from unique applications in several fields, includ
Externí odkaz:
https://doaj.org/article/d1722b1e44104096a6aae1d363a7b03e
Autor:
Xia, Ruqiao, Almond, Nikita W., Kindness, Stephen J., Mikhailov, Sergey A., Tadbier, Wadood, Degl'Innocenti, Riccardo, Lu, Yuezhen, Lowe, Abbie, Ramsay, Ben, Jakob, Lukas A., Dann, James, Hofmann, Stephan, Beere, Harvey E., Ritchie, David A., Michailow, Wladislaw
Effective control of terahertz radiation requires the development of efficient and fast modulators with a large modulation depth. This challenge is often tackled by using metamaterials, artificial sub-wavelength optical structures engineered to reson
Externí odkaz:
http://arxiv.org/abs/2312.16330
Autor:
Kalhor, Samane, Kindness, Stephan J., Wallis, Robert, Beere, Harvey E., Ghanaatshoar, Majid, Degl'Innocenti, Riccardo, Kelly, Michael J., Hofmann, Stephan, Smith, Charles G., Joyce, Hannah J., Ritchie, David A., Delfanazari, Kaveh
Metamaterial photonic integrated circuits with arrays of hybrid graphene-superconductor coupled split-ring resonators (SRR) capable of modulating and slowing down terahertz (THz) light are introduced and proposed. The hybrid device optical responses,
Externí odkaz:
http://arxiv.org/abs/2107.03677
Autor:
Michailow, Wladislaw, Spencer, Peter, Almond, Nikita W., Kindness, Stephen J., Wallis, Robert, Mitchell, Thomas A., Degl'Innocenti, Riccardo, Mikhailov, Sergey A., Beere, Harvey E., Ritchie, David A.
The photoelectric effect consists in the photoexcitation of electrons above a potential barrier at a material interface and is exploited for photodetection over a wide frequency range. This three-dimensional process has an inherent inefficiency: phot
Externí odkaz:
http://arxiv.org/abs/2011.04177
Stacked metasurfaces are being investigated in light of exploring exotic optical effects that cannot be achieved with single-layered metasurfaces. In this Letter, we theoretically demonstrate that stacks of metallic wire-grid metasurfaces possessing
Externí odkaz:
http://arxiv.org/abs/2004.10295
Autor:
Pai, Avinash R., Lu, Yuezhen, Joseph, Saju, Santhosh, Neelakandan M., Degl'Innocenti, Riccardo, Lin, Hungyen, Letizia, Rosa, Paoloni, Claudio, Thomas, Sabu
Publikováno v:
In Chemical Engineering Journal 1 July 2023 467
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Autor:
Klimont, Adam, Degl'Innocenti, Riccardo, Masini, Luca, Wu, Yuqing, Shah, Yash D., Ren, Yuan, Jessop, David S., Tredicucci, Alessandro, Beere, Harvey E., Ritchie, David A.
We present terahertz quantum cascade lasers operating at a defect mode of a photonic crystal bandgap. This class of devices exhibits single mode emission and low threshold current compared to standard metal-metal lasers. The mode selectivity is an in
Externí odkaz:
http://arxiv.org/abs/1703.04533
Akademický článek
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