Picosecond near-to-mid-infrared absorption of pulse-injected small polarons in magnesium doped lithium niobate
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https://osnadocs.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-201901231039
https://osnadocs.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-201901231039
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| DC Element | Wert | Sprache |
|---|---|---|
| dc.creator | Freytag, Felix | - |
| dc.creator | Booker, Phillip | - |
| dc.creator | Corradi, Gábor | - |
| dc.creator | Messerschmidt, Simon | - |
| dc.creator | Krampf, Andreas | - |
| dc.creator | Imlau, Mirco | - |
| dc.date.accessioned | 2019-01-23T14:43:22Z | - |
| dc.date.available | 2019-01-23T14:43:22Z | - |
| dc.date.issued | 2018-05-15 | - |
| dc.identifier.citation | Optical Materials Express, Volume 8, Number 6, 2018, P. 1505-1514 | ger |
| dc.identifier.uri | https://osnadocs.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-201901231039 | - |
| dc.description.abstract | Femtosecond-pulse-induced (Epump = 2.5 eV) picosecond infrared absorption is studied in the spectral region between 0.30 eV and 1.05 eV in LiNbO3:Mg. We find a non-instantaneous mid-infrared absorption peak in the time domain up to 1 ps and a broad-band, long-lived absorption (maximum at 0.85 eV, width ≈ 0.5 eV), for t > 1 ps. The modelling succeeds by considering small Nb4+Nb electron polaron formation along the sequence: (i) two-photon injection of hot electron-hole pairs at Nb-O-octahedra, (ii) dissociation and electron cooling by electron-phonon-scattering, and (iii) electron self-localization by strong electron-phonon-coupling. | eng |
| dc.relation | https://doi.org/10.1364/OME.8.001505 | ger |
| dc.subject | Optical nonlinearities | eng |
| dc.subject | condensed matter | eng |
| dc.subject | Spectroscopy | eng |
| dc.subject | infrared | eng |
| dc.subject.ddc | 530 - Physik | ger |
| dc.title | Picosecond near-to-mid-infrared absorption of pulse-injected small polarons in magnesium doped lithium niobate | eng |
| dc.type | Einzelbeitrag in einer wissenschaftlichen Zeitschrift [article] | ger |
| orcid.creator | https://orcid.org/0000-0001-5790-9379 | - |
| orcid.creator | https://orcid.org/0000-0001-6193-7487 | - |
| dc.identifier.doi | 10.1364/OME.8.001505 | - |
| Enthalten in den Sammlungen: | FB06 - Hochschulschriften Open-Access-Publikationsfonds | |
Dateien zu dieser Ressource:
| Datei | Beschreibung | Größe | Format | |
|---|---|---|---|---|
| Optical_Materials_Express_8_6_2018_Freytag.pdf | 3,74 MB | Adobe PDF | Optical_Materials_Express_8_6_2018_Freytag.pdf  Öffnen/Anzeigen |
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