Publicación Artículo científico (article).

Ultrafast Tunable Terahertz-to-Visible Light Conversion through Thermal Radiation from Graphene Metamaterials

Digital.CSIC. Repositorio Institucional del CSIC
oai:digital.csic.es:10261/337049
Digital.CSIC. Repositorio Institucional del CSIC
  • Ilyakov, Igor
  • Ponomaryov, Alexey N.
  • Saleta Reig, David
  • Murphy, Conor
  • Mehew, Jake D.
  • Oliveira, Thales V. A. G. de
  • Prajapati, Gulloo Lal
  • Arshad, Atiqa
  • Deinert, Jan-Christoph
  • Craciun, Monica Felicia
  • Russo, Saverio
  • Kovalev, Sergey
  • Tielrooij, Klaas-Jan
Several technologies, including photodetection, imaging, and data communication, could greatly benefit from the availability of fast and controllable conversion of terahertz (THz) light to visible light. Here, we demonstrate that the exceptional properties and dynamics of electronic heat in graphene allow for a THz-to-visible conversion, which is switchable at a sub-nanosecond time scale. We show a tunable on/off ratio of more than 30 for the emitted visible light, achieved through electrical gating using a gate voltage on the order of 1 V. We also demonstrate that a grating-graphene metamaterial leads to an increase in THz-induced emitted power in the visible range by 2 orders of magnitude. The experimental results are in agreement with a thermodynamic model that describes blackbody radiation from the electron system heated through intraband Drude absorption of THz light. These results provide a promising route toward novel functionalities of optoelectronic technologies in the THz regime., Parts of this research were carried out at ELBE at the Helmholtz-Zentrum Dresden-Rossendorf e.V., a member of the Helmholtz Association. S.R. and M.F.C. acknowledge financial support by the EPSRC (EP/V048163/1, EP/V052306/1) and the Leverhulme Trust., Peer reviewed
 
DOI: http://hdl.handle.net/10261/337049, https://api.elsevier.com/content/abstract/scopus_id/85156200365
Digital.CSIC. Repositorio Institucional del CSIC
oai:digital.csic.es:10261/337049

HANDLE: http://hdl.handle.net/10261/337049, https://api.elsevier.com/content/abstract/scopus_id/85156200365
Digital.CSIC. Repositorio Institucional del CSIC
oai:digital.csic.es:10261/337049
 
Ver en: http://hdl.handle.net/10261/337049, https://api.elsevier.com/content/abstract/scopus_id/85156200365
Digital.CSIC. Repositorio Institucional del CSIC
oai:digital.csic.es:10261/337049

Dipòsit Digital de Documents de la UAB
oai:ddd.uab.cat:283428
Artículo científico (article). 2023

ULTRAFAST TUNABLE TERAHERTZ-TO-VISIBLE LIGHT CONVERSION THROUGH THERMAL RADIATION FROM GRAPHENE METAMATERIALS

Dipòsit Digital de Documents de la UAB
  • Ilyakov, Igor|||0000-0002-5928-7996
  • Ponomaryov, Alexey
  • Saleta Reig, David|||0000-0003-3189-2331
  • Murphy, Conor
  • Mehew, Jake Dudley|||0000-0002-8859-9374
  • de Oliveira, Thales V. A. G|||0000-0002-4886-0654
  • Prajapati, Gulloo Lal|||0000-0001-7111-4206
  • Arshad, Atiqa
  • Deinert, Jan-Christoph|||0000-0001-6211-0158
  • Craciun, Monica Felicia
  • Russo, Saverio|||0000-0002-9699-4681
  • Kovalev, Sergey|||0000-0002-2290-1016
  • Tielrooij, Klaas-Jan|||0000-0002-0055-6231
Several technologies, including photodetection, imaging, and data communication, could greatly benefit from the availability of fast and controllable conversion of terahertz (THz) light to visible light. Here, we demonstrate that the exceptional properties and dynamics of electronic heat in graphene allow for a THz-to-visible conversion, which is switchable at a sub-nanosecond time scale. We show a tunable on/off ratio of more than 30 for the emitted visible light, achieved through electrical gating using a gate voltage on the order of 1 V. We also demonstrate that a grating-graphene metamaterial leads to an increase in THz-induced emitted power in the visible range by 2 orders of magnitude. The experimental results are in agreement with a thermodynamic model that describes blackbody radiation from the electron system heated through intraband Drude absorption of THz light. These results provide a promising route toward novel functionalities of optoelectronic technologies in the THz regime.




Digital.CSIC. Repositorio Institucional del CSIC
oai:digital.csic.es:10261/337049
Artículo científico (article). 2023

ULTRAFAST TUNABLE TERAHERTZ-TO-VISIBLE LIGHT CONVERSION THROUGH THERMAL RADIATION FROM GRAPHENE METAMATERIALS

Digital.CSIC. Repositorio Institucional del CSIC
  • Ilyakov, Igor
  • Ponomaryov, Alexey N.
  • Saleta Reig, David
  • Murphy, Conor
  • Mehew, Jake D.
  • Oliveira, Thales V. A. G. de
  • Prajapati, Gulloo Lal
  • Arshad, Atiqa
  • Deinert, Jan-Christoph
  • Craciun, Monica Felicia
  • Russo, Saverio
  • Kovalev, Sergey
  • Tielrooij, Klaas-Jan
Several technologies, including photodetection, imaging, and data communication, could greatly benefit from the availability of fast and controllable conversion of terahertz (THz) light to visible light. Here, we demonstrate that the exceptional properties and dynamics of electronic heat in graphene allow for a THz-to-visible conversion, which is switchable at a sub-nanosecond time scale. We show a tunable on/off ratio of more than 30 for the emitted visible light, achieved through electrical gating using a gate voltage on the order of 1 V. We also demonstrate that a grating-graphene metamaterial leads to an increase in THz-induced emitted power in the visible range by 2 orders of magnitude. The experimental results are in agreement with a thermodynamic model that describes blackbody radiation from the electron system heated through intraband Drude absorption of THz light. These results provide a promising route toward novel functionalities of optoelectronic technologies in the THz regime., Parts of this research were carried out at ELBE at the Helmholtz-Zentrum Dresden-Rossendorf e.V., a member of the Helmholtz Association. S.R. and M.F.C. acknowledge financial support by the EPSRC (EP/V048163/1, EP/V052306/1) and the Leverhulme Trust., Peer reviewed




Digital.CSIC. Repositorio Institucional del CSIC
oai:digital.csic.es:10261/337658
Dataset. 2023

ULTRAFAST TUNABLE TERAHERTZ-TO-VISIBLE LIGHT CONVERSION THROUGH THERMAL RADIATION FROM GRAPHENE METAMATERIALS [DATASET]

Digital.CSIC. Repositorio Institucional del CSIC
  • Ilyakov, Igor
  • Ponomaryov, Alexey N.
  • Saleta Reig, David
  • Murphy, Conor
  • Mehew, Jake D.
  • Oliveira, Thales V. A. G. de
  • Prajapati, Gulloo Lal
  • Arshad, Atiqa
  • Deinert, Jan-Christoph
  • Craciun, Monica Felicia
  • Russo, Saverio
  • Kovalev, Sergey
  • Tielrooij, Klaas-Jan
6 pages. -- Supplementary Note 1, Sample Preparation. -- Supplementary Note 2, Experimental. -- Supplementary Note 3, Calculations of electron temperature. -- Supplementary Note 4, THz fluence and intensity. -- Supplementary Figures. -- Supplementary References., Several technologies, including photodetection, imaging, and data communication, could greatly benefit from the availability of fast and controllable conversion of terahertz (THz) light to visible light. Here, we demonstrate that the exceptional properties and dynamics of electronic heat in graphene allow for a THz-to-visible conversion, which is switchable at a sub-nanosecond time scale. We show a tunable on/off ratio of more than 30 for the emitted visible light, achieved through electrical gating using a gate voltage on the order of 1 V. We also demonstrate that a grating-graphene metamaterial leads to an increase in THz-induced emitted power in the visible range by 2 orders of magnitude. The experimental results are in agreement with a thermodynamic model that describes blackbody radiation from the electron system heated through intraband Drude absorption of THz light. These results provide a promising route toward novel functionalities of optoelectronic technologies in the THz regime., Peer reviewed




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