Fernandez Olvera, Anuar de Jesus ; Krause, Benedikt Leander ; Betancur-Perez, Andres ; Nandi, Uttam ; Dios, Cristina de ; Acedo, Pablo ; Preu, Sascha (2021)
Frequency Selective Optoelectronic Downconversion of a Terahertz Pulse Using ErAs:In(Al)GaAs Photoconductors.
In: IEEE Access, 9
doi: 10.1109/ACCESS.2021.3094358
Artikel, Bibliographie
Dies ist die neueste Version dieses Eintrags.
Kurzbeschreibung (Abstract)
We introduce a new scheme for the detection of terahertz pulses based on the frequency selective optoelectronic downconversion of its individual modes with a continous-wave (CW) ErAs:InGaAs photoconductive antenna (PCA) driven by a comb-based CW photonic signal. The detection scheme can be used as metrology tool for the analysis of the fundamental resolution and stability limits of terahertz pulses and the mode-locked-lasers (MLLs) that drives them, as well as an ultra-high-resolution measurement technique for terahertz components or gas spectroscopy. We demonstrate both applications by measuring the linewidth of two frequency components of the particular terahertz pulse analyzed here (one at 75 GHz and one at 340 GHz) and by measuring a very narrowband filter between 70 and 80 GHz. The main advantage of this technique with respect to other terahertz pulse detection schemes is its capability of performing ultra-high-resolution measurements without the need of unpractically long scanning ranges or synchronization of two MLLs.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2021 |
| Autor(en): | Fernandez Olvera, Anuar de Jesus ; Krause, Benedikt Leander ; Betancur-Perez, Andres ; Nandi, Uttam ; Dios, Cristina de ; Acedo, Pablo ; Preu, Sascha |
| Art des Eintrags: | Bibliographie |
| Titel: | Frequency Selective Optoelectronic Downconversion of a Terahertz Pulse Using ErAs:In(Al)GaAs Photoconductors |
| Sprache: | Englisch |
| Publikationsjahr: | 2021 |
| Verlag: | IEEE |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | IEEE Access |
| Jahrgang/Volume einer Zeitschrift: | 9 |
| DOI: | 10.1109/ACCESS.2021.3094358 |
| Zugehörige Links: | |
| Kurzbeschreibung (Abstract): | We introduce a new scheme for the detection of terahertz pulses based on the frequency selective optoelectronic downconversion of its individual modes with a continous-wave (CW) ErAs:InGaAs photoconductive antenna (PCA) driven by a comb-based CW photonic signal. The detection scheme can be used as metrology tool for the analysis of the fundamental resolution and stability limits of terahertz pulses and the mode-locked-lasers (MLLs) that drives them, as well as an ultra-high-resolution measurement technique for terahertz components or gas spectroscopy. We demonstrate both applications by measuring the linewidth of two frequency components of the particular terahertz pulse analyzed here (one at 75 GHz and one at 340 GHz) and by measuring a very narrowband filter between 70 and 80 GHz. The main advantage of this technique with respect to other terahertz pulse detection schemes is its capability of performing ultra-high-resolution measurements without the need of unpractically long scanning ranges or synchronization of two MLLs. |
| Zusätzliche Informationen: | Keywords: Optical pulses, Principal component analysis , Pulse measurements, Frequency measurement, Tools , Timing jitter, Optical receivers, CW photoconductive detectors, ErAs:In(Al)GaAs photoconductors, FreSOD, noise in mode-locked lasers, pulsed terahertz emitters, frequency metrology |
| Sachgruppe der Dewey Dezimalklassifikatin (DDC): | 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften und Maschinenbau |
| Fachbereich(e)/-gebiet(e): | 18 Fachbereich Elektrotechnik und Informationstechnik 18 Fachbereich Elektrotechnik und Informationstechnik > Institut für Mikrowellentechnik und Photonik (IMP) 18 Fachbereich Elektrotechnik und Informationstechnik > Institut für Mikrowellentechnik und Photonik (IMP) > THz Bauelemente und THz Systeme |
| Hinterlegungsdatum: | 06 Dez 2023 09:05 |
| Letzte Änderung: | 06 Dez 2023 09:05 |
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Verfügbare Versionen dieses Eintrags
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Frequency Selective Optoelectronic Downconversion of a Terahertz Pulse Using ErAs:In(Al)GaAs Photoconductors. (deposited 06 Sep 2021 12:56)
- Frequency Selective Optoelectronic Downconversion of a Terahertz Pulse Using ErAs:In(Al)GaAs Photoconductors. (deposited 06 Dez 2023 09:05) [Gegenwärtig angezeigt]
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