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Showing 1 to 12 of 83 entries
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The Effect of a Small Amount SiO.

Nanoscale research letters

Lakusta M, Danilenko I, Konstantinova T, Volkova G, Nosolev I, Gorban O, Syniakina S, Burkhovetskiy V.
PMID: 28599509
Nanoscale Res Lett. 2017 Dec;12(1):398. doi: 10.1186/s11671-017-2178-6. Epub 2017 Jun 08.

In the present paper the sintering behavior of 3 mol% yttria-stabilized zirconia (3Y-TZP) with and without small amount (0.2 wt %) of SiO

Mid-infrared all-optical modulation in low-loss germanium-on-silicon waveguides.

Optics letters

Shen L, Healy N, Mitchell CJ, Penades JS, Nedeljkovic M, Mashanovich GZ, Peacock AC.
PMID: 25679861
Opt Lett. 2015 Jan 15;40(2):268-71. doi: 10.1364/OL.40.000268.

All-optical modulation has been demonstrated in a germanium-on-silicon rib waveguide over the mid-infrared wavelength range of 2-3 μm using a free-carrier absorption scheme. Transmission measurements have shown the waveguides to have low propagation losses that are relatively independent of...

Ion mixing at 20 keV: a comparison of the effects of Ga+, Ar+ and CF4+ ion irradiation.

Ultramicroscopy

Barna A, Gurban S, Kotis L, Toth AL, Menyhard M.
PMID: 18977599
Ultramicroscopy. 2008 Dec;109(1):129-32. doi: 10.1016/j.ultramic.2008.09.002. Epub 2008 Sep 25.

Medium-energy (some tens of keV) ion irradiation is frequently used in various technologies. It is well known that during this irradiation serious alterations are introduced to the material, changing its structure, composition, etc. While there are studies on the...

Laser erasable implanted gratings for integrated silicon photonics.

Optics express

Loiacono R, Reed GT, Mashanovich GZ, Gwilliam R, Henley SJ, Hu Y, Feldesh R, Jones R.
PMID: 21643329
Opt Express. 2011 May 23;19(11):10728-34. doi: 10.1364/OE.19.010728.

In this work we experimentally demonstrate laser erasable germanium implanted Bragg gratings in SOI. Bragg gratings are formed in a silicon waveguide by ion implantation induced amorphization, and are subsequently erased by a contained laser thermal treatment process. An...

Mid-infrared photonic crystal waveguides in silicon.

Optics express

Reimer C, Nedeljkovic M, Stothard DJ, Esnault MO, Reardon C, O'Faolain L, Dunn M, Mashanovich GZ, Krauss TF.
PMID: 23388763
Opt Express. 2012 Dec 31;20(28):29361-8. doi: 10.1364/OE.20.029361.

We demonstrate the design, fabrication and characterization of mid-infrared photonic crystal waveguides on a silicon-on-insulator platform, showing guided modes in the wavelength regime between 2.9 and 3.9 µm. The characterization is performed with a proprietary intra-cavity Optical Parametric Oscillator...

Continuous Blood Glucose Monitoring (Cgm) System Based on Intravenous Microdialysis and Glucose Sensing.

Biomedizinische Technik. Biomedical engineering

Greiner H, Schaller-Ammann R, Huber A, O'Connell M, Krejci J, Porro G, Korsatko S, Gurban J, Deller S, Brunner M, Berghofer A, Priedl J, Zijlstra E, Heise T, Pieber TR, Schaupp L.
PMID: 24042873
Biomed Tech (Berl). 2013 Aug;58. doi: 10.1515/bmt-2013-4224. Epub 2013 Sep 07.

No abstract available.

Silicon ring resonator-coupled Mach-Zehnder interferometers for the Fano resonance in the mid-IR.

Applied optics

Troia B, Penades JS, Qu Z, Khokhar AZ, Osman A, Wu Y, Stirling C, Nedeljkovic M, Passaro VMN, Mashanovich GZ.
PMID: 29091691
Appl Opt. 2017 Nov 01;56(31):8769-8776. doi: 10.1364/AO.56.008769.

We present ring resonator (RR)-coupled Mach-Zehnder interferometers (MZIs) based on silicon-on-insulator rib waveguides, operating around the mid-IR wavelength of 3.8 μm. A number of different photonic integrated devices have been designed and fabricated experimentally to obtain the asymmetric Fano...

N-rich silicon nitride angled MMI for coarse wavelength division (de)multiplexing in the O-band.

Optics letters

Bucio TD, Khokhar AZ, Mashanovich GZ, Gardes FY.
PMID: 29543264
Opt Lett. 2018 Mar 15;43(6):1251-1254. doi: 10.1364/OL.43.001251.

We report the design and fabrication of a compact angled multimode interferometer (AMMI) on a 600 nm thick N-rich silicon nitride platform (n=1.92) optimized to match the International Telecommunication Union coarse wavelength division (de)multiplexing standard in the O telecommunication...

Athermal silicon nitride angled MMI wavelength division (de)multiplexers for the near-infrared.

Optics express

Bucio TD, Khokhar AZ, Mashanovich GZ, Gardes FY.
PMID: 29092207
Opt Express. 2017 Oct 30;25(22):27310-27320. doi: 10.1364/OE.25.027310.

WDM components fabricated on the silicon-on-insulator platform have transmission characteristics that are sensitive to dimensional errors and temperature variations due to the high refractive index and thermo-optic coefficient of Si, respectively. We propose the use of NH

Suspended germanium waveguides with subwavelength-grating metamaterial cladding for the mid-infrared band.

Optics express

Sánchez-Postigo A, Ortega-Moñux A, Soler Penadés J, Osman A, Nedeljkovic M, Qu Z, Wu Y, Molina-Fernández Í, Cheben P, Mashanovich GZ, Wangüemert-Pérez JG.
PMID: 34154239
Opt Express. 2021 May 24;29(11):16867-16878. doi: 10.1364/OE.422764.

In recent years, sensing and communication applications have fueled important developments of group-IV photonics in the mid-infrared band. In the long-wave range, most platforms are based on germanium, which is transparent up to ∼15-µm wavelength. However, those platforms are...

The Synthesis of Pentyl Leaf Volatiles and Their Role in Resistance to Anthracnose Leaf Blight.

Frontiers in plant science

Gorman Z, Tolley JP, Koiwa H, Kolomiets MV.
PMID: 34512698
Front Plant Sci. 2021 Aug 26;12:719587. doi: 10.3389/fpls.2021.719587. eCollection 2021.

Volatiles are important airborne chemical messengers that facilitate plant adaptation to a variety of environmental challenges. Lipoxygenases (LOXs) produce a bouquet of non-volatile and volatile oxylipins, including C

The use of multi-criteria method in the process of threat assessment to the environment.

Scientific reports

Zajusz-Zubek E, Korban Z.
PMID: 34521953
Sci Rep. 2021 Sep 14;11(1):18296. doi: 10.1038/s41598-021-97939-4.

Measurements of the content of trace elements, including toxic and carcinogenic metals, in various fractions of particulate matter PM are an important element of environmental monitoring and research involving their impact on human health. The article presents the measurement...

Showing 1 to 12 of 83 entries