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Evidence of lasing on the Balmer-α line of OVIII in an ablative capillary discharge.

Optics letters

Andreić Ž, Kunze HJ, Tolstikhina I.
PMID: 26030567
Opt Lett. 2015 Jun 01;40(11):2600-2. doi: 10.1364/OL.40.002600.

In a low-inductance ablative discharge through a capillary made of polyacetal (POM), lasing on the Balmer-α line of OVIII at 10.24 nm is identified. In line with previous studies of lasing on CVI ions, it is argued to be...

Role of Multi-Electron Effects in the Asymmetry of Strong-Field Ionization and Fragmentation of Polar Molecules: The Methyl Halide Series.

The journal of physical chemistry. A

Walt SG, Bhargava Ram N, von Conta A, Tolstikhin OI, Madsen LB, Jensen F, Wörner HJ.
PMID: 26565126
J Phys Chem A. 2015 Dec 10;119(49):11772-82. doi: 10.1021/acs.jpca.5b07331. Epub 2015 Nov 24.

We report angle- and momentum-resolved measurements of the dissociative ionization and Coulomb explosion of methyl halides (CH3F, CH3Cl, CH3Br, and CH3I) in intense phase-controlled two-color laser fields. At moderate laser intensities, we find that the emission asymmetry of low-energy...

Measurement and laser control of attosecond charge migration in ionized iodoacetylene.

Science (New York, N.Y.)

Kraus PM, Mignolet B, Baykusheva D, Rupenyan A, Horný L, Penka EF, Grassi G, Tolstikhin OI, Schneider J, Jensen F, Madsen LB, Bandrauk AD, Remacle F, Wörner HJ.
PMID: 26494175
Science. 2015 Nov 13;350(6262):790-5. doi: 10.1126/science.aab2160. Epub 2015 Oct 22.

The ultrafast motion of electrons and holes after light-matter interaction is fundamental to a broad range of chemical and biophysical processes. We advanced high-harmonic spectroscopy to resolve spatially and temporally the migration of an electron hole immediately after ionization...

AFM characterization of domain structure of ferroelectric TGS crystals on a nanoscale.

Ultramicroscopy

Tolstikhina AL, Belugina NV, Shikin SA.
PMID: 10741664
Ultramicroscopy. 2000 Feb;82(1):149-52. doi: 10.1016/s0304-3991(99)00147-3.

Atomic force microscopy has been used for the study of the surface topography and domain structures of triglycin sulfate (TGS) crystals. The images of various types of domains at the polar (0 1 0) surfaces of as-cleaved TGS crystals...

8 × 8 SOA-based optical switch with zero fiber-to-fiber insertion loss.

Optics letters

Mojaver HR, Tolstikhin V, Gargallo B, Baños R, Domenech D, Lo J, Kumar D, Leong KW, Liboiron-Ladouceur O.
PMID: 32797032
Opt Lett. 2020 Aug 15;45(16):4650-4653. doi: 10.1364/OL.399415.

The design, fabrication, and characterization of an 8×8 lossless optical switch, based on semiconductor optical amplifier (SOA) gates, is reported. It comprises three stages of 2×2 switches into an 8×8 Banyan switch, for a total of 48 SOAs. Three...

Design optimization and tolerance analysis of a spot-size converter for the taper-assisted vertical integration platform in InP.

Applied optics

Tolstikhin V, Saeidi S, Dolgaleva K.
PMID: 29726535
Appl Opt. 2018 May 01;57(13):3586-3591. doi: 10.1364/AO.57.003586.

We report on the design optimization and tolerance analysis of a multistep lateral-taper spot-size converter based on indium phosphide (InP), performed using the Monte Carlo method. Being a natural fit to (and a key building block of) the regrowth-free...

Imaging Electronic Excitation of NO by Ultrafast Laser Tunneling Ionization.

Physical review letters

Endo T, Matsuda A, Fushitani M, Yasuike T, Tolstikhin OI, Morishita T, Hishikawa A.
PMID: 27152798
Phys Rev Lett. 2016 Apr 22;116(16):163002. doi: 10.1103/PhysRevLett.116.163002. Epub 2016 Apr 20.

Tunneling-ionization imaging of photoexcitation of NO has been demonstrated by using few-cycle near-infrared intense laser pulses (8 fs, 800 nm, 1.1×10^{14}  W/cm^{2}). The ion image of N^{+} fragment ions produced by dissociative ionization of NO in the ground state,...

First Measurement of Coherent Elastic Neutrino-Nucleus Scattering on Argon.

Physical review letters

Akimov D, Albert JB, An P, Awe C, Barbeau PS, Becker B, Belov V, Bernardi I, Blackston MA, Blokland L, Bolozdynya A, Cabrera-Palmer B, Chen N, Chernyak D, Conley E, Cooper RL, Daughhetee J, Del Valle Coello M, Detwiler JA, Durand MR, Efremenko Y, Elliott SR, Fabris L, Febbraro M, Fox W, Galindo-Uribarri A, Gallo Rosso A, Green MP, Hansen KS, Heath MR, Hedges S, Hughes M, Johnson T, Kaemingk M, Kaufman LJ, Khromov A, Konovalov A, Kozlova E, Kumpan A, Li L, Librande JT, Link JM, Liu J, Mann K, Markoff DM, McGoldrick O, Moreno H, Mueller PE, Newby J, Parno DS, Penttila S, Pershey D, Radford D, Rapp R, Ray H, Raybern J, Razuvaeva O, Reyna D, Rich GC, Rudik D, Runge J, Salvat DJ, Scholberg K, Shakirov A, Simakov G, Sinev G, Snow WM, Sosnovtsev V, Suh B, Tayloe R, Tellez-Giron-Flores K, Thornton RT, Tolstukhin I, Vanderwerp J, Varner RL, Virtue CJ, Visser G, Wiseman C, Wongjirad T, Yang J, Yen YR, Yoo J, Yu CH, Zettlemoyer J.
PMID: 33480779
Phys Rev Lett. 2021 Jan 08;126(1):012002. doi: 10.1103/PhysRevLett.126.012002.

We report the first measurement of coherent elastic neutrino-nucleus scattering (CEvNS) on argon using a liquid argon detector at the Oak Ridge National Laboratory Spallation Neutron Source. Two independent analyses prefer CEvNS over the background-only null hypothesis with greater...

Near-Forward Rescattering Photoelectron Holography in Strong-Field Ionization: Extraction of the Phase of the Scattering Amplitude.

Physical review letters

Zhou Y, Tolstikhin OI, Morishita T.
PMID: 27176518
Phys Rev Lett. 2016 Apr 29;116(17):173001. doi: 10.1103/PhysRevLett.116.173001. Epub 2016 Apr 26.

We revisit the concept of near-forward rescattering strong-field photoelectron holography introduced by Y. Huismans et al. [Science 331, 61 (2011)]. The recently developed adiabatic theory is used to show how the phase of the scattering amplitude for near-forward rescattering...

Observation of coherent elastic neutrino-nucleus scattering.

Science (New York, N.Y.)

Akimov D, Albert JB, An P, Awe C, Barbeau PS, Becker B, Belov V, Brown A, Bolozdynya A, Cabrera-Palmer B, Cervantes M, Collar JI, Cooper RJ, Cooper RL, Cuesta C, Dean DJ, Detwiler JA, Eberhardt A, Efremenko Y, Elliott SR, Erkela EM, Fabris L, Febbraro M, Fields NE, Fox W, Fu Z, Galindo-Uribarri A, Green MP, Hai M, Heath MR, Hedges S, Hornback D, Hossbach TW, Iverson EB, Kaufman LJ, Ki S, Klein SR, Khromov A, Konovalov A, Kremer M, Kumpan A, Leadbetter C, Li L, Lu W, Mann K, Markoff DM, Miller K, Moreno H, Mueller PE, Newby J, Orrell JL, Overman CT, Parno DS, Penttila S, Perumpilly G, Ray H, Raybern J, Reyna D, Rich GC, Rimal D, Rudik D, Scholberg K, Scholz BJ, Sinev G, Snow WM, Sosnovtsev V, Shakirov A, Suchyta S, Suh B, Tayloe R, Thornton RT, Tolstukhin I, Vanderwerp J, Varner RL, Virtue CJ, Wan Z, Yoo J, Yu CH, Zawada A, Zettlemoyer J, Zderic AM.
PMID: 28775215
Science. 2017 Sep 15;357(6356):1123-1126. doi: 10.1126/science.aao0990. Epub 2017 Aug 03.

The coherent elastic scattering of neutrinos off nuclei has eluded detection for four decades, even though its predicted cross section is by far the largest of all low-energy neutrino couplings. This mode of interaction offers new opportunities to study...

Nature of the dips in the atomic photoabsorption cross section.

Physical review. A, Atomic, molecular, and optical physics

Tolstikhin OI, Vinogradov AV.
PMID: 9906929
Phys Rev A. 1992 Jun 01;45(11):R7667-R7669. doi: 10.1103/physreva.45.r7667.

No abstract available.

Vertically integrated spot-size converter in AlGaAs-GaAs.

Optics letters

Liao Z, Wagner SJ, Alam MZ, Tolstikhin V, Stewart Aitchison J.
PMID: 29028039
Opt Lett. 2017 Oct 15;42(20):4167-4170. doi: 10.1364/OL.42.004167.

We report on the demonstration of a spot size converter (SSC) for monolithic photonic integration at a wavelength of 850 nm on a GaAs substrate. We designed and fabricated a dual-waveguide AlGaAs chip. The design consists of a lower...

Showing 1 to 12 of 20 entries