Polar second-harmonic imaging to resolve pure and mixed crystal phases along GaAs nanowires

M Timofeeva, A Bouravleuv, G Cirlin, I Shtrom… - Nano …, 2016 - ACS Publications
In this work, we report an optical method for characterizing crystal phases along single-
semiconductor III–V nanowires based on the measurement of polarization-dependent …

Second-harmonic generation imaging of semiconductor nanowires with focused vector beams

G Bautista, J Makitalo, Y Chen, V Dhaka, M Grasso… - Nano Letters, 2015 - ACS Publications
We use second-harmonic generation (SHG) with focused vector beams to investigate
individual vertically aligned GaAs nanowires. Our results provide direct evidence that SHG …

Crystallographic characterization of II–VI semiconducting nanostructures via optical second harmonic generation

ML Ren, R Agarwal, W Liu, R Agarwal - Nano letters, 2015 - ACS Publications
We demonstrate the utility of optical second harmonic generation (SHG) polarimetry to
perform structural characterization of noncentrosymmetric, single-crystalline II–VI …

Crystal lattice determination of ZnSe nanowires with polarization-dependent second harmonic generation microscopy

R Cisek, D Tokarz, N Hirmiz, A Saxena, A Shik… - …, 2014 - iopscience.iop.org
We demonstrate a noninvasive optical microscopy technique based on polarization-
dependent second harmonic generation for determining the crystal lattice structure and …

Crystallographic mapping of guided nanowires by second harmonic generation polarimetry

L Neeman, R Ben-Zvi, K Rechav, R Popovitz-Biro… - Nano Letters, 2017 - ACS Publications
The growth of horizontal nanowires (NWs) guided by epitaxial and graphoepitaxial relations
with the substrate is becoming increasingly attractive owing to the possibility of controlling …

Far-field imaging of optical second-harmonic generation in single GaN nanowires

JP Long, BS Simpkins, DJ Rowenhorst… - Nano …, 2007 - ACS Publications
Means for assessing the nonlinear optical properties of nanoscale materials are of key
importance for the advancement of active nanophotonics. By correlating second-harmonic …

Nanotwin detection and domain polarity determination via optical second harmonic generation polarimetry

ML Ren, R Agarwal, P Nukala, W Liu, R Agarwal - Nano letters, 2016 - ACS Publications
We demonstrate that optical second harmonic generation (SHG) can be utilized to determine
the exact nature of nanotwins in noncentrosymmetric crystals, which is challenging to …

Near-field imaging of nonlinear optical mixing in single zinc oxide nanowires

JC Johnson, H Yan, RD Schaller, PB Petersen… - Nano Letters, 2002 - ACS Publications
The nonlinear optical response of semiconductor nanowires has potential application for
frequency conversion in nanoscale optical circuitry. Here, second-and third-harmonic …

Anomalously Strong Second‐Harmonic Generation in GaAs Nanowires via Crystal‐Structure Engineering

B Zhang, JE Stehr, PP Chen, X Wang… - Advanced Functional …, 2021 - Wiley Online Library
GaAs‐based semiconductors are highly attractive for diverse nonlinear photonic
applications, owing to their non‐centrosymmetric crystal structure and huge nonlinear …

Far-field imaging for direct visualization of light interferences in GaAs nanowires

R Grange, G Brönstrup, M Kiometzis, A Sergeyev… - Nano …, 2012 - ACS Publications
The optical and electrical characterization of nanostructures is crucial for all applications in
nanophotonics. Particularly important is the knowledge of the optical near-field distribution …