Modulating the polarization of broadband terahertz pulses from a spintronic emitter at rates up to 10 kHz
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F21%3A10437129" target="_blank" >RIV/00216208:11320/21:10437129 - isvavai.cz</a>
Result on the web
<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=g~Xu6bPTh7" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=g~Xu6bPTh7</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1364/OPTICA.430504" target="_blank" >10.1364/OPTICA.430504</a>
Alternative languages
Result language
angličtina
Original language name
Modulating the polarization of broadband terahertz pulses from a spintronic emitter at rates up to 10 kHz
Original language description
Reliable modulation of terahertz electromagnetic waveforms is important for many applications. Here, we rapidly modulate the direction of the electric field of linearly polarized terahertz electromagnetic pulses with 1-30 THz bandwidth by applying time-dependent magnetic fields to a spintronic terahertz emitter. Polarity modulation of the terahertz field with more than 99% contrast at a rate of 10 kHz is achieved using a harmonic magnetic field. By adding a static magnetic field, we modulate the direction of the terahertz field between angles of, for instance, -53 degrees and 53 degrees at kilohertz rates. We believe our approach makes spintronic terahertz emitters a promising source for low-noise modulation spectroscopy and polarization-sensitive techniques such as ellipsometry at 1-30 THz. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10306 - Optics (including laser optics and quantum optics)
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Optica
ISSN
2334-2536
e-ISSN
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Volume of the periodical
8
Issue of the periodical within the volume
7
Country of publishing house
US - UNITED STATES
Number of pages
7
Pages from-to
1013-1019
UT code for WoS article
000675721900012
EID of the result in the Scopus database
2-s2.0-85110380723