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Showing 1 to 12 of 184 entries
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Nanoelectronic primary thermometry below 4 mK.

Nature communications

Bradley DI, George RE, Gunnarsson D, Haley RP, Heikkinen H, Pashkin YA, Penttilä J, Prance JR, Prunnila M, Roschier L, Sarsby M.
PMID: 26816217
Nat Commun. 2016 Jan 27;7:10455. doi: 10.1038/ncomms10455.

Cooling nanoelectronic structures to millikelvin temperatures presents extreme challenges in maintaining thermal contact between the electrons in the device and an external cold bath. It is typically found that when nanoscale devices are cooled to ∼ 10 mK the...

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Bradley DI, George RE, Gunnarsson D, et al. Nanoelectronic primary thermometry below 4 mK. Nat Commun. 2016;7:10455doi: 10.1038/ncomms10455.
Bradley, D. I., George, R. E., Gunnarsson, D., Haley, R. P., Heikkinen, H., Pashkin, Y. A., Penttilä, J., Prance, J. R., Prunnila, M., Roschier, L., & Sarsby, M. (2016). Nanoelectronic primary thermometry below 4 mK. Nature communications, 710455. https://doi.org/10.1038/ncomms10455
Bradley, D I, et al. "Nanoelectronic primary thermometry below 4 mK." Nature communications vol. 7 (2016): 10455. doi: https://doi.org/10.1038/ncomms10455
Bradley DI, George RE, Gunnarsson D, Haley RP, Heikkinen H, Pashkin YA, Penttilä J, Prance JR, Prunnila M, Roschier L, Sarsby M. Nanoelectronic primary thermometry below 4 mK. Nat Commun. 2016 Jan 27;7:10455. doi: 10.1038/ncomms10455. PMID: 26816217; PMCID: PMC4737845.
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Four-Wave Mixing in Landau-Quantized Graphene.

Nano letters

König-Otto JC, Wang Y, Belyanin A, Berger C, de Heer WA, Orlita M, Pashkin A, Schneider H, Helm M, Winnerl S.
PMID: 28234493
Nano Lett. 2017 Apr 12;17(4):2184-2188. doi: 10.1021/acs.nanolett.6b04665. Epub 2017 Feb 28.

For Landau-quantized graphene, featuring an energy spectrum consisting of nonequidistant Landau levels, theory predicts a giant resonantly enhanced optical nonlinearity. We verify the nonlinearity in a time-integrated degenerate four-wave mixing (FWM) experiment in the mid-infrared spectral range, involving the...

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König-Otto JC, Wang Y, Belyanin A, et al. Four-Wave Mixing in Landau-Quantized Graphene. Nano Lett. 2017;17(4):2184-2188doi: 10.1021/acs.nanolett.6b04665.
König-Otto, J. C., Wang, Y., Belyanin, A., Berger, C., de Heer, W. A., Orlita, M., Pashkin, A., Schneider, H., Helm, M., & Winnerl, S. (2017). Four-Wave Mixing in Landau-Quantized Graphene. Nano letters, 17(4), 2184-2188. https://doi.org/10.1021/acs.nanolett.6b04665
König-Otto, Jacob C, et al. "Four-Wave Mixing in Landau-Quantized Graphene." Nano letters vol. 17,4 (2017): 2184-2188. doi: https://doi.org/10.1021/acs.nanolett.6b04665
König-Otto JC, Wang Y, Belyanin A, Berger C, de Heer WA, Orlita M, Pashkin A, Schneider H, Helm M, Winnerl S. Four-Wave Mixing in Landau-Quantized Graphene. Nano Lett. 2017 Apr 12;17(4):2184-2188. doi: 10.1021/acs.nanolett.6b04665. Epub 2017 Feb 28. PMID: 28234493.
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On-chip magnetic cooling of a nanoelectronic device.

Scientific reports

Bradley DI, Guénault AM, Gunnarsson D, Haley RP, Holt S, Jones AT, Pashkin YA, Penttilä J, Prance JR, Prunnila M, Roschier L.
PMID: 28374845
Sci Rep. 2017 Apr 04;7:45566. doi: 10.1038/srep45566.

We demonstrate significant cooling of electrons in a nanostructure below 10 mK by demagnetisation of thin-film copper on a silicon chip. Our approach overcomes the typical bottleneck of weak electron-phonon scattering by coupling the electrons directly to a bath...

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Bradley DI, Guénault AM, Gunnarsson D, et al. On-chip magnetic cooling of a nanoelectronic device. Sci Rep. 2017;7:45566doi: 10.1038/srep45566.
Bradley, D. I., Guénault, A. M., Gunnarsson, D., Haley, R. P., Holt, S., Jones, A. T., Pashkin, Y. A., Penttilä, J., Prance, J. R., Prunnila, M., & Roschier, L. (2017). On-chip magnetic cooling of a nanoelectronic device. Scientific reports, 745566. https://doi.org/10.1038/srep45566
Bradley, D I, et al. "On-chip magnetic cooling of a nanoelectronic device." Scientific reports vol. 7 (2017): 45566. doi: https://doi.org/10.1038/srep45566
Bradley DI, Guénault AM, Gunnarsson D, Haley RP, Holt S, Jones AT, Pashkin YA, Penttilä J, Prance JR, Prunnila M, Roschier L. On-chip magnetic cooling of a nanoelectronic device. Sci Rep. 2017 Apr 04;7:45566. doi: 10.1038/srep45566. PMID: 28374845; PMCID: PMC5379476.
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Charge echo in a cooper-pair box.

Physical review letters

Nakamura Y, Pashkin YA, Yamamoto T, Tsai JS.
PMID: 11801169
Phys Rev Lett. 2002 Jan 28;88(4):047901. doi: 10.1103/PhysRevLett.88.047901. Epub 2002 Jan 08.

A spin-echo-type technique is applied to an artificial two-level system that utilizes a charge degree of freedom in a small superconducting electrode. Gate-voltage pulses are used to produce the necessary pulse sequence in order to eliminate the inhomogeneity effect...

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Nakamura Y, Pashkin YA, Yamamoto T, et al. Charge echo in a cooper-pair box. Phys Rev Lett. 2002;88(4):047901doi: 10.1103/PhysRevLett.88.047901.
Nakamura, Y., Pashkin, Y. A., Yamamoto, T., & Tsai, J. S. (2002). Charge echo in a cooper-pair box. Physical review letters, 88(4), 047901. https://doi.org/10.1103/PhysRevLett.88.047901
Nakamura, Y, et al. "Charge echo in a cooper-pair box." Physical review letters vol. 88,4 (2002): 047901. doi: https://doi.org/10.1103/PhysRevLett.88.047901
Nakamura Y, Pashkin YA, Yamamoto T, Tsai JS. Charge echo in a cooper-pair box. Phys Rev Lett. 2002 Jan 28;88(4):047901. doi: 10.1103/PhysRevLett.88.047901. Epub 2002 Jan 08. PMID: 11801169.
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Rabi oscillations in a Josephson-junction charge two-level system.

Physical review letters

Nakamura Y, Pashkin YA, Tsai JS.
PMID: 11736526
Phys Rev Lett. 2001 Dec 10;87(24):246601. doi: 10.1103/PhysRevLett.87.246601. Epub 2001 Nov 27.

We investigated temporal behavior of an artificial two-level system driven by a strong oscillating field; namely, quantum-state evolution between two charge states in a small Josephson-junction circuit irradiated with microwaves. Rabi oscillations corresponding to 0-, 1-, and 2-photon resonances...

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Nakamura Y, Pashkin YA, Tsai JS. Rabi oscillations in a Josephson-junction charge two-level system. Phys Rev Lett. 2001;87(24):246601doi: 10.1103/PhysRevLett.87.246601.
Nakamura, Y., Pashkin, Y. A., & Tsai, J. S. (2001). Rabi oscillations in a Josephson-junction charge two-level system. Physical review letters, 87(24), 246601. https://doi.org/10.1103/PhysRevLett.87.246601
Nakamura, Y, et al. "Rabi oscillations in a Josephson-junction charge two-level system." Physical review letters vol. 87,24 (2001): 246601. doi: https://doi.org/10.1103/PhysRevLett.87.246601
Nakamura Y, Pashkin YA, Tsai JS. Rabi oscillations in a Josephson-junction charge two-level system. Phys Rev Lett. 2001 Dec 10;87(24):246601. doi: 10.1103/PhysRevLett.87.246601. Epub 2001 Nov 27. PMID: 11736526.
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Observation of optical resonances of dielectric spheres by light scattering.

Applied optics

Ashkin A, Dziedzic JM.
PMID: 20332838
Appl Opt. 1981 May 15;20(10):1803-14. doi: 10.1364/AO.20.001803.

Use of the wavelength and size dependence of light scattering from optically levitated liquid drops is demonstrated as a sensitive means of detecting optical resonances of dielectric spheres. High resolution spectra are presented of the radiation pressure, far- and...

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Ashkin A, Dziedzic JM. Observation of optical resonances of dielectric spheres by light scattering. Appl Opt. 1981;20(10):1803-14doi: 10.1364/AO.20.001803.
Ashkin, A., & Dziedzic, J. M. (1981). Observation of optical resonances of dielectric spheres by light scattering. Applied optics, 20(10), 1803-14. https://doi.org/10.1364/AO.20.001803
Ashkin, A, and Dziedzic, J M. "Observation of optical resonances of dielectric spheres by light scattering." Applied optics vol. 20,10 (1981): 1803-14. doi: https://doi.org/10.1364/AO.20.001803
Ashkin A, Dziedzic JM. Observation of optical resonances of dielectric spheres by light scattering. Appl Opt. 1981 May 15;20(10):1803-14. doi: 10.1364/AO.20.001803. PMID: 20332838.
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Outer diameter measurement of low birefringence optical fibers by a new resonant backscatter technique.

Applied optics

Ashkin A, Dziedzic JM, Stolen RH.
PMID: 20332935
Appl Opt. 1981 Jul 01;20(13):2299-303. doi: 10.1364/AO.20.002299.

A new, highly precise, optical fiber outer diameter measuring technique based on near-field resonant backscattered light is described. Relative accuracies of +/-10(-2) microm were achieved in diameter measurements using Fabry-Perot resonances and +/-10(-3) microm in average diameter measurements using...

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Ashkin A, Dziedzic JM, Stolen RH. Outer diameter measurement of low birefringence optical fibers by a new resonant backscatter technique. Appl Opt. 1981;20(13):2299-303doi: 10.1364/AO.20.002299.
Ashkin, A., Dziedzic, J. M., & Stolen, R. H. (1981). Outer diameter measurement of low birefringence optical fibers by a new resonant backscatter technique. Applied optics, 20(13), 2299-303. https://doi.org/10.1364/AO.20.002299
Ashkin, A, et al. "Outer diameter measurement of low birefringence optical fibers by a new resonant backscatter technique." Applied optics vol. 20,13 (1981): 2299-303. doi: https://doi.org/10.1364/AO.20.002299
Ashkin A, Dziedzic JM, Stolen RH. Outer diameter measurement of low birefringence optical fibers by a new resonant backscatter technique. Appl Opt. 1981 Jul 01;20(13):2299-303. doi: 10.1364/AO.20.002299. PMID: 20332935.
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Intensity discrimination of optical pulses with birefringent fibers.

Optics letters

Stolen RH, Botineau J, Ashkin A.
PMID: 19714074
Opt Lett. 1982 Oct 01;7(10):512-4. doi: 10.1364/ol.7.000512.

An intensity discriminator for optical pulses can be made with a birefringent fiber. Such a discriminator would be useful for separating the intense subpicosecond pulses formed by solitonlike compression from the weaker uncompressed background. The discriminator utilizes an intensity-dependent...

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Stolen RH, Botineau J, Ashkin A. Intensity discrimination of optical pulses with birefringent fibers. Opt Lett. 1982;7(10):512-4doi: 10.1364/ol.7.000512.
Stolen, R. H., Botineau, J., & Ashkin, A. (1982). Intensity discrimination of optical pulses with birefringent fibers. Optics letters, 7(10), 512-4. https://doi.org/10.1364/ol.7.000512
Stolen, R H, et al. "Intensity discrimination of optical pulses with birefringent fibers." Optics letters vol. 7,10 (1982): 512-4. doi: https://doi.org/10.1364/ol.7.000512
Stolen RH, Botineau J, Ashkin A. Intensity discrimination of optical pulses with birefringent fibers. Opt Lett. 1982 Oct 01;7(10):512-4. doi: 10.1364/ol.7.000512. PMID: 19714074.
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Investigating the importance of haemoglobin measurement for selection of blood donors in libya.

The Libyan journal of medicine

Abud A, Bashein A, Msalati A.
PMID: 21483535
Libyan J Med. 2009 Dec 01;4(4):137-9. doi: 10.4176/090418.

In Libya, haemoglobin estimation is not used routinely to assess the fitness of blood donors. We examined the importance of including this parameter in donor selection. Venous blood samples were collected from the bleed line at the end of...

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Abud A, Bashein A, Msalati A. Investigating the importance of haemoglobin measurement for selection of blood donors in libya. Libyan J Med. 2009;4(4):137-9doi: 10.4176/090418.
Abud, A., Bashein, A., & Msalati, A. (2009). Investigating the importance of haemoglobin measurement for selection of blood donors in libya. The Libyan journal of medicine, 4(4), 137-9. https://doi.org/10.4176/090418
Abud, Ai, et al. "Investigating the importance of haemoglobin measurement for selection of blood donors in libya." The Libyan journal of medicine vol. 4,4 (2009): 137-9. doi: https://doi.org/10.4176/090418
Abud A, Bashein A, Msalati A. Investigating the importance of haemoglobin measurement for selection of blood donors in libya. Libyan J Med. 2009 Dec 01;4(4):137-9. doi: 10.4176/090418. PMID: 21483535; PMCID: PMC3066748.
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Resonance fluorescence of a single artificial atom.

Science (New York, N.Y.)

Astafiev O, Zagoskin AM, Abdumalikov AA, Pashkin YA, Yamamoto T, Inomata K, Nakamura Y, Tsai JS.
PMID: 20150495
Science. 2010 Feb 12;327(5967):840-3. doi: 10.1126/science.1181918.

An atom in open space can be detected by means of resonant absorption and reemission of electromagnetic waves, known as resonance fluorescence, which is a fundamental phenomenon of quantum optics. We report on the observation of scattering of propagating...

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Astafiev O, Zagoskin AM, Abdumalikov AA, et al. Resonance fluorescence of a single artificial atom. Science. 2010;327(5967):840-3doi: 10.1126/science.1181918.
Astafiev, O., Zagoskin, A. M., Abdumalikov, A. A., Pashkin, Y. A., Yamamoto, T., Inomata, K., Nakamura, Y., & Tsai, J. S. (2010). Resonance fluorescence of a single artificial atom. Science (New York, N.Y.), 327(5967), 840-3. https://doi.org/10.1126/science.1181918
Astafiev, O, et al. "Resonance fluorescence of a single artificial atom." Science (New York, N.Y.) vol. 327,5967 (2010): 840-3. doi: https://doi.org/10.1126/science.1181918
Astafiev O, Zagoskin AM, Abdumalikov AA, Pashkin YA, Yamamoto T, Inomata K, Nakamura Y, Tsai JS. Resonance fluorescence of a single artificial atom. Science. 2010 Feb 12;327(5967):840-3. doi: 10.1126/science.1181918. PMID: 20150495.
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Ultrafast transient generation of spin-density-wave order in the normal state of BaFe2As2 driven by coherent lattice vibrations.

Nature materials

Kim KW, Pashkin A, Schäfer H, Beyer M, Porer M, Wolf T, Bernhard C, Demsar J, Huber R, Leitenstorfer A.
PMID: 22484832
Nat Mater. 2012 Apr 08;11(6):497-501. doi: 10.1038/nmat3294.

The interplay among charge, spin and lattice degrees of freedom in solids gives rise to intriguing macroscopic quantum phenomena such as colossal magnetoresistance, multiferroicity and high-temperature superconductivity. Strong coupling or competition between various orders in these systems presents the...

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Kim KW, Pashkin A, Schäfer H, et al. Ultrafast transient generation of spin-density-wave order in the normal state of BaFe2As2 driven by coherent lattice vibrations. Nat Mater. 2012;11(6):497-501doi: 10.1038/nmat3294.
Kim, K. W., Pashkin, A., Schäfer, H., Beyer, M., Porer, M., Wolf, T., Bernhard, C., Demsar, J., Huber, R., & Leitenstorfer, A. (2012). Ultrafast transient generation of spin-density-wave order in the normal state of BaFe2As2 driven by coherent lattice vibrations. Nature materials, 11(6), 497-501. https://doi.org/10.1038/nmat3294
Kim, K W, et al. "Ultrafast transient generation of spin-density-wave order in the normal state of BaFe2As2 driven by coherent lattice vibrations." Nature materials vol. 11,6 (2012): 497-501. doi: https://doi.org/10.1038/nmat3294
Kim KW, Pashkin A, Schäfer H, Beyer M, Porer M, Wolf T, Bernhard C, Demsar J, Huber R, Leitenstorfer A. Ultrafast transient generation of spin-density-wave order in the normal state of BaFe2As2 driven by coherent lattice vibrations. Nat Mater. 2012 Apr 08;11(6):497-501. doi: 10.1038/nmat3294. PMID: 22484832.
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Infrared spectroscopy of KTa(1-x)Nb(x)O(3) crystals.

Journal of physics. Condensed matter : an Institute of Physics journal

Pashkin A, Zelezný V, Petzelt J.
PMID: 21690688
J Phys Condens Matter. 2005 Jun 29;17(25):L265-70. doi: 10.1088/0953-8984/17/25/L04. Epub 2005 Jun 10.

Fourier-transform infrared and time-domain THz dielectric spectroscopy measurements on KTa(1-x)Nb(x)O(3) crystals for x = 0.018 and 0.022 were performed. The temperature behaviour of the soft mode frequency and damping have been determined above the ferroelectric phase transition. No dielectric...

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Pashkin A, Zelezný V, Petzelt J. Infrared spectroscopy of KTa(1-x)Nb(x)O(3) crystals. J Phys Condens Matter. 2005;17(25):L265-70doi: 10.1088/0953-8984/17/25/L04.
Pashkin, A., Zelezný, V., & Petzelt, J. (2005). Infrared spectroscopy of KTa(1-x)Nb(x)O(3) crystals. Journal of physics. Condensed matter : an Institute of Physics journal, 17(25), L265-70. https://doi.org/10.1088/0953-8984/17/25/L04
Pashkin, A, et al. "Infrared spectroscopy of KTa(1-x)Nb(x)O(3) crystals." Journal of physics. Condensed matter : an Institute of Physics journal vol. 17,25 (2005): L265-70. doi: https://doi.org/10.1088/0953-8984/17/25/L04
Pashkin A, Zelezný V, Petzelt J. Infrared spectroscopy of KTa(1-x)Nb(x)O(3) crystals. J Phys Condens Matter. 2005 Jun 29;17(25):L265-70. doi: 10.1088/0953-8984/17/25/L04. Epub 2005 Jun 10. PMID: 21690688.
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Showing 1 to 12 of 184 entries