Výsledky vyhledávání - "J. P. Pocholle"

Silicon carbide transparent chips for compact atomic sensors

Autor: M. Ammar, L. Huet, E. Morvan, J.-P. Pocholle, Jakob Reichel, N. Sarazin, S. Schwartz, C. Guerlin

Publikováno v: International Conference on Space Optics — ICSO 2012.

Atom chips [1] are an efficient tool for trapping, cooling and manipulating cold atoms, which could open the way to a new generation of compact atomic sensors addressing space applications. This is in particular due to the fact that they can achieve

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d1f7b13f479a6f4185a098f90ebba5e7
https://doi.org/10.1117/12.2309254

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Comparison of Peltier and anti-Stokes optical coolings

Autor: R. Frey, F. Micheron, J. P. Pocholle

Publikováno v: Journal of Applied Physics. 87:4489-4498

Anti-Stokes optical cooling is compared theoretically to Peltier cooling. The influence of reabsorption of fluorescence photons, parasitic absorption, and interaction length is discussed by using a simple modeling for the propagation of laser and flu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7691730234e5a61aa682142de49f601d
https://doi.org/10.1063/1.373614

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Phase conjugation in a continuous-wave diode-pumped Nd:YVO 4 laser

Autor: A. Brignon, J.-P. Huignard, C. Larat, J.-P. Pocholle, L. Loiseau

Publikováno v: Applied Physics B: Lasers and Optics. 69:159-162

We demonstrate phase conjugation and dynamic holography by degenerate four-wave mixing in a continuous-wave diode-pumped Nd:YVO4 laser for the first time. A phase-conjugate reflectivity of 1.4% is obtained with a 12 W diode power. The experimental re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::40df7985c2b2e85b420c6fc4a54cfa90
https://doi.org/10.1007/s003400050790

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Compact Nd:YAG and Nd:YVO/sub 4/ amplifiers end-pumped by a high-brightness stacked array

Autor: G. Feugnet, J.-P. Huignard, J.-P. Pocholle, A. Brignon

Publikováno v: IEEE Journal of Quantum Electronics. 34:577-585

We analyze both theoretically and experimentally the performances of compact laser amplifiers longitudinally pumped by a high-brightness stacked array. Results are given for Nd:YAG and Nd:YVO/sub 4/ as the active media. A model of amplification which

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::908ba88f146c3d4c4f235a3f2e692a3f
https://doi.org/10.1109/3.661469

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Atom chips for quantum sensing with cold thermal atoms

Autor: Jakob Reichel, M. Ammar, M. Dupont-Nivet, Sylvain Schwartz, C. Westbrook, I. Bouchoule, L. Huet, C. Guerlin, Peter Rosenbusch, J.-P. Pocholle

Publikováno v: Proc. SPIE
SPIE OPTO-Quantum Sensing and Nanophotonic Devices XI
SPIE OPTO-Quantum Sensing and Nanophotonic Devices XI, Dec 2013, San Francisco, United States. pp.899325, ⟨10.1117/12.2047431⟩

International audience; We discuss the possibility of building a matter wave interferometer using thermal (i.e. non condensed) cold atoms trapped in the vicinity of an atom chip for quantum sensing of acceleration and gravity fields with reduced mean

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93aa868a16479942a22e4cf7e6f9c13b
https://doi.org/10.1117/12.2047431

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Solid-state dual-frequency laser free from anti-phase noise

Autor: A. El Amili, Mehdi Alouini, J-P Pocholle, G. Feugnet, Sylvain Schwartz, Goulc'Hen Loas, Syamsundar De, Fabien Bretenaker

Publikováno v: Conference on Lasers and Electro-Optics-International Quantum Electronics Conference
Conference on Lasers and Electro-Optics-International Quantum Electronics Conference, May 2013, Munich, Germany. pp.CA_10_6
Scopus-Elsevier

International audience; Dual-frequency solid-state lasers are attractive for a large number of applications such as microwave photonics, spectroscopy, and metrology. As far as dual-frequency lasers are considered, the intensity noise spectrum of each

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc4aaef432d8ad672d7a45c2ed448c0b
https://hal.archives-ouvertes.fr/hal-01044910

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The solid-state ring laser gyro: current and future trends

Autor: François Gutty, Sylvain Schwartz, Rupamanjari Ghosh, Fabien Bretenaker, Iacopo Carusotto, T. Lauprêtre, J.-P. Pocholle, G. Feugnet, F. Goldfarb

Publikováno v: SPIE Proceedings.

We report our progress towards a high performance solid-state ring laser gyro using a diode-pumped Nd-YAG crystal as the gain medium. We then discuss the possibility of including in this device a highly dispersive medium, which could serve for testin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9a651310d1b12204596cb838e249c537
https://doi.org/10.1117/12.2013186

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A dual-wavelength vertical-cavity surface-emitting laser involving both the first and the second quantum states

Autor: Y. Boucher, Patrick Georges, Alain Brun, H. Sauer, J. P. Pocholle, É. Akmansoy, T. Gaiffe, S. Gosselin, M. Papuchon

Publikováno v: Pure and Applied Optics: Journal of the European Optical Society Part A. 5:35-44

A GaAs/AlGaAs vertical-cavity surface-emitting laser is presented consisting of a multiple quantum-well resonant-periodic-gain cavity sandwiched between two integrated Bragg reflectors. Optical transitions involving both the first and the second quan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f1085f10fa86a392f8aedcfde3a563e0
https://doi.org/10.1088/0963-9659/5/1/005

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Magneto-optical trapping and detection of atoms through a transparent atom chip

Autor: C. Guerlin, Jakob Reichel, S. Schwartz, E. Morvan, J.-P. Pocholle, M. Ammar, N. Sarazin, L. Huet

Publikováno v: Proceedings of the International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim 2011.

A magneto-optical trap with 108 87Rb atoms was formed near a transparent silicon carbide atom chip, with several beams propagating through the chip. Atomic detection through the chip and trap characterization are also reported.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38c4c779e3f82db575904a9d0f8833f8
https://doi.org/10.1364/iqec.2011.i1188

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Electro-optic modulator and second-harmonic generator with nonlinear polymers

Autor: Vincent Lemoine, M. Papuchon, P. Le Barny, J. P. Pocholle, P. Robin

Publikováno v: Synthetic Metals. 54:147-153

With a new waveguiding structure we have realized monomode waveguides with different nonlinear polymers. Electro-optic modulators were fabricated with a Vπ value of 20 V cm. Frequency bandwidths from d.c. up to 200 MHz were achieved with classical l

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::400030e4437d1b5b59fe8ad61575ca03
https://doi.org/10.1016/0379-6779(93)91053-5

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