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Accurate measurement of the residual birefringence in VECSEL: Towards understanding of the polarization behavior under spin-polarized pumping.

Optics express

Frougier J, Baili G, Sagnes I, Dolfi D, George JM, Alouini M.
PMID: 25968994
Opt Express. 2015 Apr 20;23(8):9573-88. doi: 10.1364/OE.23.009573.

In this paper we report birefringence measurements of an optically pumped (100)-oriented InGaAs/GaAsP multiple quantum well (MQWs) Vertical External Cavity Surface Emitting Laser (VECSEL) in oscillating conditions. The proposed technique relies on the measurement in the microwave domain of...

Abstracts from the 8th Annual Meeting of the Scientific Association of Swiss Radiation Oncology (SASRO).

Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al]

Allal AS, Ares C, Dulguerov P, Tschanz E, Verdan C, Mhawech P, Riesterer O, Honer M, Vuong V, Jochum W, Zingg D, Bodis S, Ametamey S, Pruschy M, Inteeworn N, Ohlerth S, Höpfl G, Roos M, Wergin M, Rohrer Bley C, Gassmann M, Kaser-Hotz B, Berthou S, Aebersold DM, Ganapathipillai S, Streit B, Stalder D, Gruber G, Greiner RH, Zimmer Y, Lutters G, Krek W, Tenzer A, Hofstetter B, Bonny C, Azria A, Larbouret C, Cunat S, Ozsahin M, Zouhair A, Gourgou S, Martineau P, Evans DB, Romieu G, Pujol P, Pèlegrin A, Heuberger J, Kestenholz P, Taverna Ch, Lardinois D, Jörger M, Schneiter D, Jerman M, Weder W, Stahel R, Bodis S, Vees H, Mach N, Hügli A, Balmer Majno S, Beer KT, Friedrich EE, Ciernik IF, Stanek N, Taverna C, Greiner R, Mahler F, Landmann Ch, Studer G, Bernier J, Gallino A, Juelke PD, Hafner HP, Jamshidi P, Erne P, Resink TJ, Thum P, Notter M, Bargetzi M, Suleiman M, Luthi JC, Bieri S, Curschmann J, Pajic B, Kranzbühler H, Lippold B, Ueltschi G, Bonetti M, Nasi ML, Price KN, Castiglione-Gertsch M, Rudenstam CM, Holmberg SB, Lindtner J, Gol-Ouh R, Collins J, Crivellari D, Carbone A, Thürlimann B, Simoncini E, Fey MF, Gelber RD, Coates AS, Goldhirsch A, Jeanneret Sozzi W, Kramar A, Mirimanoff RO, Azria D, Taussky D, Becker M, Kranzbuehler H, Weitzel M, Bortoluzzi L, Behrensmeier F, Isaak B, Pasche P, Luthi F, Weber DC, Lomax AJ, Rutz HP, Pedroni ES, Verwey J, Goitein G, Timmermann B, Lomax A, Bolsi A, Weber D, Bentzen SM, Khalil AA, Saunders MI, Horiot JC, Van den Bogaert W, Cummings BJ, Dische S, Slosman DO, Kebdani T, Allaoua M, Stadelmann O, Stupp R, Pica A, Dubois JB, Oehler C, Ulmer U, Lütolf UM, Huser M, Burger C, Szekely G, Davis JB, Gervaz P, Gertsch P, Morel P, Roth AD, Zenklusen H, Schott A, Curti G, Schefer H, Kolotas C, Thalmann G, Vetterli D, Kemmerling L, Mini R, Rouzaud M, Nouet P, Mollà M, Escudé L, Miralbell R, Beer K, von Briel C, Jichlinski P, Guillou L, Fogliata A, Nicolini G, Cozzi L, Hafner HP, Hueber P, Szczerba D, Born EJ, Dipasquale G, Jargy C, Munier F, Balmer A, Do HP, Pasche G, Wang H, Moeckli R, Boehringer T, Coray A, Lin S, Pedroni E, Rutz H, Baumert BG, Norton IA, Schoenmaker E, Krayenbühl J, Bründler MA, Allemann K, Laluhovà D, Collen T, Coucke P, Ries G, Rufibach K, Huguenin P, Abdou M, Girardet C, Vees HJ, Bigler R, Özsoy O, Bouville S, Corminboeuf F, Betz M, Matzinger O, Tebeu P, Popowski Y, Verkooijen H, Bouchardy C, Ludicke F, Usel M, Major A, Merçay A, Pache G, Bulling S, Bressan S, Valley JF, Motta M, Presilla S, Richetti A, Franzetti A, Pesce G.
PMID: 27137923
Strahlenther Onkol. 2004 Jun;180:89-108. doi: 10.1007/BF03356735.

No abstract available.

Efficient solid-state light-emitting CuCdS nanocrystals synthesized in air.

Angewandte Chemie (International ed. in English)

Khan AH, Dalui A, Mukherjee S, Segre CU, Sarma DD, Acharya S.
PMID: 25598442
Angew Chem Int Ed Engl. 2015 Feb 23;54(9):2643-8. doi: 10.1002/anie.201409518. Epub 2015 Jan 16.

Semiconductor nanocrystals (NCs) possess high photoluminescence (PL) typically in the solution phase. In contrary, PL rapidly quenches in the solid state. Efficient solid state luminescence can be achieved by inducing a large Stokes shift. Here we report on a...

Metformin inhibition of neuroblastoma cell proliferation is differently modulated by cell differentiation induced by retinoic acid or overexpression of NDM29 non-coding RNA.

Cancer cell international

Costa D, Gigoni A, Würth R, Cancedda R, Florio T, Pagano A.
PMID: 25120382
Cancer Cell Int. 2014 Jul 02;14:59. doi: 10.1186/1475-2867-14-59. eCollection 2014.

BACKGROUND: Metformin is a widely used oral hypoglycemizing agent recently proposed as potential anti-cancer drug. In this study we report the antiproliferative effect of metformin treatment in a high risk neuroblastoma cell model, focusing on possible effects associated to...

An efficient matrix product operator representation of the quantum chemical Hamiltonian.

The Journal of chemical physics

Keller S, Dolfi M, Troyer M, Reiher M.
PMID: 26723662
J Chem Phys. 2015 Dec 28;143(24):244118. doi: 10.1063/1.4939000.

We describe how to efficiently construct the quantum chemical Hamiltonian operator in matrix product form. We present its implementation as a density matrix renormalization group (DMRG) algorithm for quantum chemical applications. Existing implementations of DMRG for quantum chemistry are...

Efficient single-mode Brillouin fiber laser for low-noise optical carrier reduction of microwave signals.

Optics letters

Norcia S, Tonda-Goldstein S, Dolfi D, Huignard JP, Frey R.
PMID: 14587765
Opt Lett. 2003 Oct 15;28(20):1888-90. doi: 10.1364/ol.28.001888.

We experimentally demonstrate efficient optical carrier reduction of microwave signals with a single-mode 1.5-microm wavelength Brillouin all-fiber ring laser. Because of the tunable optical coupling, the lasing threshold of the short-length (20-m) fiber cavity is lower than 5 mW,...

Allosteric modulation of monomeric proteins*.

Biochemistry and molecular biology education : a bimonthly publication of the International Union of Biochemistry and Molecular Biology

Ascenzi P, Bocedi A, Bolli A, Fasano M, Notari S, Polticelli F.
PMID: 21638571
Biochem Mol Biol Educ. 2005 May;33(3):169-76. doi: 10.1002/bmb.2005.494033032470.

Multimeric proteins (e.g. hemoglobin) are considered to be the prototypes of allosteric enzymes, whereas monomeric proteins (e.g. myoglobin) usually are assumed to be nonallosteric. However, the modulation of the functional properties of monomeric proteins by heterotropic allosteric effectors casts...

Optical characterization of oxide encapsulated silicon nanowires of various morphologies.

Journal of nanoscience and nanotechnology

King SM, Chaure S, Krishnamurthy S, Blau WJ, Colli A, Ferrari AC.
PMID: 19049203
J Nanosci Nanotechnol. 2008 Aug;8(8):4202-6. doi: 10.1166/jnn.2008.an07.

The optical properties of four different silicon nanowire structures were investigated. Two of the samples consisted of spheres of nanocrystalline silicon en-capsulated by silicon oxide nanowires, with other two consisting of crystalline silicon nanowires coated by silicon oxide shells....

Ion beam doping of silicon nanowires.

Nano letters

Colli A, Fasoli A, Ronning C, Pisana S, Piscanec S, Ferrari AC.
PMID: 18576693
Nano Lett. 2008 Aug;8(8):2188-93. doi: 10.1021/nl080610d. Epub 2008 Jun 25.

We demonstrate n- and p-type field-effect transistors based on Si nanowires (SiNWs) implanted with P and B at fluences as high as 10(15) cm (-2). Contrary to what would happen in bulk Si for similar fluences, in SiNWs this...

Thermooptic coupler: a controllable multimode optical directional coupler.

Applied optics

Moll NJ, Dolfi D.
PMID: 18200136
Appl Opt. 1983 Oct 01;22(19):2944. doi: 10.1364/ao.22.002944.

No abstract available.

Time delay generation at high frequency using SOA based slow and fast light.

Optics express

Berger P, Bourderionnet J, Bretenaker F, Dolfi D, Alouini M.
PMID: 22108969
Opt Express. 2011 Oct 24;19(22):21180-8. doi: 10.1364/OE.19.021180.

We show how Up-converted Coherent Population Oscillations (UpCPO) enable to get rid of the intrinsic limitation of the carrier lifetime, leading to the generation of time delays at any high frequencies in a single SOA device. The linear dependence...

General state contrast imaging: an optimized polarimetric imaging modality insensitive to spatial intensity fluctuations.

Journal of the Optical Society of America. A, Optics, image science, and vision

Anna G, Goudail F, Dolfi D.
PMID: 22673418
J Opt Soc Am A Opt Image Sci Vis. 2012 Jun 01;29(6):892-900. doi: 10.1364/JOSAA.29.000892.

In active polarization imaging, one frequently needs to be insensitive to noninformative spatial intensity fluctuations. We investigate a way of solving this issue with general state contrast (GSC) imaging. It consists in acquiring two scalar polarimetric images with optimized...

Showing 1 to 12 of 405 entries