Optical nonlinearities of small polarons in lithium niobate

M Imlau, H Badorreck, C Merschjann - Applied Physics Reviews, 2015 - pubs.aip.org
An overview of optical nonlinearities of small bound polarons is given, which can occur in
the congruently melting composition of LiNbO 3. Such polarons decisively influence the …

Imaging the ultrafast Kerr effect, free carrier generation, relaxation and ablation dynamics of Lithium Niobate irradiated with femtosecond laser pulses

M Garcia-Lechuga, J Siegel… - Journal of Applied …, 2014 - pubs.aip.org
The interaction of high-power single 130 femtosecond (fs) laser pulses with the surface of
Lithium Niobate is experimentally investigated in this work. The use of fs-resolution time …

Light-induced charge-transport in undoped LiNbO3 crystals

F Lüdtke, N Waasem, K Buse, B Sturman - Applied Physics B, 2011 - Springer
Light-induced charge transport in nominally undoped LiNbO 3 crystals essentially differs
from that in Fe-and Cu-doped crystals. Furthermore, it is of relevance for numerous effects …

Bound polaron formation in lithium niobate from ab initio molecular dynamics

M Krenz, U Gerstmann, WG Schmidt - Applied Physics A, 2022 - Springer
Polarons influence decisively the performance of lithium niobate for optical applications. In
this work, the formation of (defect) bound polarons in lithium niobate is studied by ab initio …

Temperature dependence of small polaron population decays in iron-doped lithium niobate by Monte Carlo simulations

I Mhaouech, L Guilbert - Solid State Sciences, 2016 - Elsevier
The population decay of light-induced small polarons in iron-doped lithium niobate is
simulated by a Monte-Carlo method on the basis of Holstein's theory. The model considers …

Design constraints of optical parametric chirped pulse amplification based on chirped quasi-phase-matching gratings

CR Phillips, BW Mayer, L Gallmann, MM Fejer… - Optics express, 2014 - opg.optica.org
Chirped quasi-phase-matching (QPM) gratings offer efficient, ultra-broadband optical
parametric chirped pulse amplification (OPCPA) in the mid-infrared as well as other spectral …

Polaron dynamics in lithium niobate upon femtosecond pulse irradiation: Influence of magnesium doping and stoichiometry control

S Sasamoto, J Hirohashi, S Ashihara - Journal of Applied Physics, 2009 - pubs.aip.org
The formation and relaxation dynamics of electron polarons in lithium niobate crystals were
investigated by measuring transient absorption induced by blue femtosecond pulses …

Light-induced charge transport in crystals

B Sturman, M Carrascosa, F Agullo-Lopez - Physical Review B—Condensed …, 2008 - APS
We develop a concept of charge transport for congruent and stoichiometric LiNbO 3 crystals,
both doped and nominally pure. The concept is based on well-established experimental …

Hidden Reservoir of Photoactive Electrons in Crystals

F Luedtke, K Buse, B Sturman - Physical Review Letters, 2012 - APS
We show that a continuous-wave (cw) pump beam at a wavelength of 532 nm produces
substantial light-induced (LI) absorption in the visible range in initially transparent undoped …

Surface metallization in bulk and uncoated highly polar Fe doped LiNbO3 crystals and plasmonic application potentials

Z Xiong, X Ma, Y Zhang, H Zhao - Optical Materials, 2021 - Elsevier
The identification of the surface dominant effect based on visible surface plasmons (SPs)
shed new light on the strong energy coupling reported in conventional photorefractive works …