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Prochains séminaires

lun, 05/27/2013 - 12:30

Susanne Butz, Physikalisches Institut, Karlsruhe Institute of Technology, Karlsruhe, Germany.
- 12:30
- D3-2040
- Title: A Tunable Josephson Metamaterial
  
  Abstract: We present experimental data on a tunable magnetic metamaterial consisting of rf-SQUIDs. A metamaterial is a medium constructed of artifical elements, so- called meta-atoms, that interact in a specific way with an incoming electromagnetic wave. The size of and the distance between the individual meta-atoms is much smaller than the wavelength. Our metamaterial consists of one-dimensional arrays of 27 rf-SQUIDs, one chain placed inside each of the gaps of a coplanar waveguide. Due to the nonlinear inductance of the rf-SQUID, its resonance frequency is tunable in situ by applying a dc magnetic field. We demonstrate that this results in tunable effective parameters of our metamaterial. In order to obtain the effective magnetic permeability from the measured data, we employ a technique that uses only the complex transmission coefficient S21.
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lun, 06/03/2013 - 12:30

Bhaskar Roy Bardhan, Department of Physics and Astronomy, Louisiana State University
- 12:30
- D3-2040
- To be annonced
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mer, 06/05/2013 - 10:45

INTRIQ : Lilian Childress, McGill
- 10:45
- D1-2165
- Title: Spins and photons: toward quantum networks in diamond
  
  Abstract: Long-lived electronic and nuclear spin states have made nitrogen-vacancy (NV) defects in diamond a leading candidate for solid-state quantum information processing. Moreover, their coherent optical transitions open opportunities for quantum communication. This talk will consider the motivation and requirements for optically-networked quantum devices, and explore challenges and opportunities for realizing them in diamond. In particular, the resonant excitation and emission in these defect centers enables single shot spin detection as well as observation of two-photon quantum interference; these two capabilities have enabled measurement-based entanglement between remote NV centers.
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lun, 06/10/2013 - 12:30

Frank Verstraete , Université de Vienne
- 12:30
- D3-2040
- To be announced
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mar, 06/11/2013 - 00:00

Wolfgang Belzig, l'Université de Constance, Allemagne
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Publications

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Jandl S, Deslandes J. 1981. Infrared spectra of HfS3. Physical Review B. 24:1040-1044.

Jandl S, Deslandes J. 1981. INFRARED SPECTRA OF ZrSe//3.. Canadian journal of physics. 59:936-938.

Jandl S, Banville M, Dufour P, Gagnon R. 1989. The influence of the quasi-two-dimensional character of carriers and corrosion effects on mid-infrared reflectance of YBa2Cu3O7-x. Solid State Communications. 70:337-340.

Jandl S, Banville M, Xu QF, Ait-Ouali A. 1992. Raman and infrared studies of the one-dimensional antiferromagnet CsNiCl3. Physical Review B. 46:11585-11590.

Jandl S, Strach T, Ruf T, Cardona M, Nekvasil V, Chen C, Wanklyn BM, Zhigunov DI, Barilo SN, Shiryaev SV. 1998. Effect of Ce doping on Raman-active crystal-field excitations in Nd2-xCexCuO4. Journal of Physics and Chemistry of Solids. 59:1985-1987.

Jandl S, Iliev M, Thomsen C, Ruf T, Cardona M, Wanklyn BM, Chen C. 1993. Crystal field Raman scattering in Nd2CuO4. Solid State Communications. 87:609-612.

Jandl S, Brebner JL, Powell BM. 1976. Lattice dynamics of GaSe. Physical Review B. 13:686-693.

Jandl S, Mansouri S, Mukhin AA, Yu Ivanov V, Balbashov A, Gospodino MM, Nekvasil V, Orlita M. 2011. Study of crystal-field excitations and Raman active phonons in o-DyMnO 3. Journal of Magnetism and Magnetic Materials. 323:1104-1108.

Jandl S, Banville M, Pépin C. 1988. Far infrared study of YBa2Cu3O6. Solid State Communications. 68:677-680.

Jandl S, Mukhin AA, Ivanov VY, Nekvasil V, Sadowski ML. 2005. Raman-active phonons and Nd3+ crystal-field studies of weakly doped Nd1-x Srx MnO3. Physical Review B. 72

Jandl S, Strach T, Ruf T, Cardona M, Nekvasil V, Zhigunov DI, Barilo SN, Shiryaev SV. 1999. Raman study of crystal-field excitations in Pr2-xCexCuO4. Physica C: Superconductivity and its Applications. 322:87-92.

Jandl S, Carlone C. 1978. Raman spectrum of crystalline InSe. Solid State Communications. 25:5-8.

Jandl S, Dufour P, Strach T, Ruf T, Cardona M, Nekvasil V, Chen C, Wanklyn BM. 1995. Raman study of intermultiplet crystal-field excitations in Nd2CuO4. Physical Review B. 52:15558-15564.

Jandl S, Guillot-Noël O, Gourier D. 2002. Infrared absorption and Zeeman effect in Nd3+ doped YVO4. Optical Materials. 19:449-454.

Jandl S, Richard P, Poirier M, Nekvasil V, Nugroho AA, Menovsky AA, Zhigunov DI, Barilo SN, Shiryaev SV. 2000. Infrared study of crystal-field excitations in Nd2-xCexCuO4. Physical Review B. 61:12882-12887.

Jandl S, Ait-Ouali A, Dufour P. 1994. Crystal field studies in neodymium oxydes. Physica C: Superconductivity and its applications. 235-240:1111-1112.

Jandl S, Banville M, Deslandes J. 1981. INFRARED SPECTRA OF InSe.. Canadian journal of physics. 59:198-201.

Jandl S, Strach T, Ruf T, Cardona M, Nekvasil V, Iliev M, Zhigunov DI, Barilo SN, Shiryaev SV. 1997. Raman study of crystal-field excitations in Pr2CuO4. Physical Review B. 56:5049-5052.

Jandl S, Mukhin AA, Ivanov VY, Balbashov A. 2007. Micro-Raman and magnetization studies of Nd1-xCa xMnO3 phase transitions. Journal of Physics: Conference Series. 92

Jandl S, Houde D, Lepine Y, Brebner JL. 1981. TEMPERATURE DEPENDENCE OF THE OH STRETCHING MODE IN THE INCIPIENT FERROELECTRICS SrTiO//3 AND KTaO//3.. Ferroelectrics. 38:805-808.

Jandl S, Riou G, Richard P, Sadowski ML, Sutjahja IM, Menovsky AA. 2004. Nd3+ crystal field excitations under magnetic field in La 1.65Nd0.35CuO4. Physica C: Superconductivity and its Applications. 403:151-156.

Jandl S, Mukhin AA, Yu Ivanov V, Balbashov A, Orlita M. 2009. Nd3+ crystal-field study of weakly doped Nd1-xCaxMnO3. Journal of Magnetism and Magnetic Materials. 321:3607-3610.

Jandl S, Harbec JY, Carlone C. 1978. Raman spectra of SnS1.75Se0.25 and SnS1.5Se0.5. Solid State Communications. 27:1441-1443.

Jandl S, Richard P, Trottier J, Frikach K, Poirier M, Zhigunov DI, Barilo SN, Shiryaev SV. 1998. Infrared and microwave studies of defects in Nd2CuO4. Physica C: Superconductivity and its Applications. 297:64-68.

Jandl S, Provencher R. 1981. Raman spectra of ZrS2.5Se0.5. Journal of Physics C: Solid State Physics. 14:L461-L463.

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