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An ultra-high-resolution technique for detection of terahertz pulses

Fernandez Olvera, Anuar De Jesus ; Krause, Benedikt Leander ; Betancur-Perez, Andrés F. ; De Dios, Cristina ; Acedo, Pablo ; Preu, Sascha (2022)
An ultra-high-resolution technique for detection of terahertz pulses.
47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz). Delft, Netherlands (28.08.-02.09.2022)
doi: 10.1109/IRMMW-THz50927.2022.9895972
Conference or Workshop Item, Bibliographie

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Abstract

We present a novel technique for the detection terahertz pulses generated by femtosecond lasers. It features a Hz-level resolution and does not require a mechanical delay stage or a second femtosecond laser. It works by opto-electronically downconverting the individual frequency components composing the terahertz pulse. Unlike other techniques, it does not require an external spectrum analyzer or a lock-in amplifier for its implementation, although it can also be implemented using them. We believe this technique is a valuable tool to study the ultimate frequency stability of terahertz pulsed systems and the phase noise of the femtosecond lasers that drives them.

Item Type: Conference or Workshop Item
Erschienen: 2022
Creators: Fernandez Olvera, Anuar De Jesus ; Krause, Benedikt Leander ; Betancur-Perez, Andrés F. ; De Dios, Cristina ; Acedo, Pablo ; Preu, Sascha
Type of entry: Bibliographie
Title: An ultra-high-resolution technique for detection of terahertz pulses
Language: English
Date: 2022
Place of Publication: Darmstadt
Publisher: IEEE
Book Title: 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)
Collation: 3 Seiten
Event Title: 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)
Event Location: Delft, Netherlands
Event Dates: 28.08.-02.09.2022
DOI: 10.1109/IRMMW-THz50927.2022.9895972
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Abstract:

We present a novel technique for the detection terahertz pulses generated by femtosecond lasers. It features a Hz-level resolution and does not require a mechanical delay stage or a second femtosecond laser. It works by opto-electronically downconverting the individual frequency components composing the terahertz pulse. Unlike other techniques, it does not require an external spectrum analyzer or a lock-in amplifier for its implementation, although it can also be implemented using them. We believe this technique is a valuable tool to study the ultimate frequency stability of terahertz pulsed systems and the phase noise of the femtosecond lasers that drives them.

Uncontrolled Keywords: Phase noise, Laser noise, Laser stability, Stability analysis, Delays, Amplifiers
Classification DDC: 600 Technology, medicine, applied sciences > 600 Technology
600 Technology, medicine, applied sciences > 620 Engineering and machine engineering
Divisions: 18 Department of Electrical Engineering and Information Technology
18 Department of Electrical Engineering and Information Technology > Institute for Microwave Engineering and Photonics (IMP)
18 Department of Electrical Engineering and Information Technology > Institute for Microwave Engineering and Photonics (IMP) > Terahertz Devices and Systems
Date Deposited: 02 Aug 2024 12:47
Last Modified: 02 Aug 2024 12:47
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