Search Results - "Lisdat, C."

Improvement of an Atomic Clock using Squeezed Vacuum by Kruse, I, Lange, K, Peise, J, Lücke, B, Pezzè, L, Arlt, J, Ertmer, W, Lisdat, C, Santos, L, Smerzi, A, Klempt, C

“…Since the pioneering work of Ramsey, atom interferometers are employed for precision metrology, in particular to measure time and to realize the second. In a…”
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A clock network for geodesy and fundamental science by Lisdat, C., Grosche, G., Quintin, N., Shi, C., Raupach, S.M.F., Grebing, C., Nicolodi, D., Stefani, F., Al-Masoudi, A., Dörscher, S., Häfner, S., Robyr, J.-L., Chiodo, N., Bilicki, S., Bookjans, E., Koczwara, A., Koke, S., Kuhl, A., Wiotte, F., Meynadier, F., Camisard, E., Abgrall, M., Lours, M., Legero, T., Schnatz, H., Sterr, U., Denker, H., Chardonnet, C., Le Coq, Y., Santarelli, G., Amy-Klein, A., Le Targat, R., Lodewyck, J., Lopez, O, Pottie, P.-E.

“…Leveraging the unrivalled performance of optical clocks as key tools for geo-science, for astronomy and for fundamental physics beyond the standard model…”
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Test of Special Relativity Using a Fiber Network of Optical Clocks by Delva, P, Lodewyck, J, Bilicki, S, Bookjans, E, Vallet, G, Le Targat, R, Pottie, P-E, Guerlin, C, Meynadier, F, Le Poncin-Lafitte, C, Lopez, O, Amy-Klein, A, Lee, W-K, Quintin, N, Lisdat, C, Al-Masoudi, A, Dörscher, S, Grebing, C, Grosche, G, Kuhl, A, Raupach, S, Sterr, U, Hill, I R, Hobson, R, Bowden, W, Kronjäger, J, Marra, G, Rolland, A, Baynes, F N, Margolis, H S, Gill, P

“…Phase compensated optical fiber links enable high accuracy atomic clocks separated by thousands of kilometers to be compared with unprecedented statistical…”
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Improved Limits on the Coupling of Ultralight Bosonic Dark Matter to Photons from Optical Atomic Clock Comparisons by Filzinger, M, Dörscher, S, Lange, R, Klose, J, Steinel, M, Benkler, E, Peik, E, Lisdat, C, Huntemann, N

“…We present improved constraints on the coupling of ultralight bosonic dark matter to photons based on long-term measurements of two optical frequency ratios…”
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Search for transient variations of the fine structure constant and dark matter using fiber-linked optical atomic clocks by Roberts, B M, Delva, P, Al-Masoudi, A, Amy-Klein, A, Bærentsen, C, Baynham, C F A, Benkler, E, Bilicki, S, Bize, S, Bowden, W, Calvert, J, Cambier, V, Cantin, E, Curtis, E A, Dörscher, S, Favier, M, Frank, F, Gill, P, Godun, R M, Grosche, G, Guo, C, Hees, A, Hill, I R, Hobson, R, Huntemann, N, Kronjäger, J, Koke, S, Kuhl, A, Lange, R, Legero, T, Lipphardt, B, Lisdat, C, Lodewyck, J, Lopez, O, Margolis, H S, Álvarez-Martínez, H, Meynadier, F, Ozimek, F, Peik, E, Pottie, P-E, Quintin, N, Sanner, C, De Sarlo, L, Schioppo, M, Schwarz, R, Silva, A, Sterr, U, Tamm, Chr, Le Targat, R, Tuckey, P, Vallet, G, Waterholter, T, Xu, D, Wolf, P

“…We search for transient variations of the fine structure constant using data from a European network of fiber-linked optical atomic clocks. By searching for…”
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Comparing ultrastable lasers at 7 × 10−17 fractional frequency instability through a 2220 km optical fibre network by Schioppo, M., Kronjäger, J., Silva, A., Ilieva, R., Paterson, J. W., Baynham, C. F. A., Bowden, W., Hill, I. R., Hobson, R., Vianello, A., Dovale-Álvarez, M., Williams, R. A., Marra, G., Margolis, H. S., Amy-Klein, A., Lopez, O., Cantin, E., Álvarez-Martínez, H., Le Targat, R., Pottie, P. E., Quintin, N., Legero, T., Häfner, S., Sterr, U., Schwarz, R., Dörscher, S., Lisdat, C., Koke, S., Kuhl, A., Waterholter, T., Benkler, E., Grosche, G.

“…Ultrastable lasers are essential tools in optical frequency metrology enabling unprecedented measurement precision that impacts on fields such as atomic…”
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Demonstration of a transportable 1 Hz-linewidth laser by Vogt, S., Lisdat, C., Legero, T., Sterr, U., Ernsting, I., Nevsky, A., Schiller, S.

“…We present the setup and test of a transportable clock laser at 698 nm for a strontium lattice clock. A master-slave diode laser system is stabilized to a…”
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Tackling the Blackbody Shift in a Strontium Optical Lattice Clock by Middelmann, T, Lisdat, C, Falke, S, Winfred, J S R Vellore, Riehle, F, Sterr, U

“…A major obstacle for optical clocks is the frequency shift due to blackbody radiation (BBR). We discuss how one can tackle this problem in an optical lattice…”
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Delivering pulsed and phase stable light to atoms of an optical clock by Falke, S., Misera, M., Sterr, U., Lisdat, C.

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Interrogation Laser for a Strontium Lattice Clock by Legero, T., Lisdat, C., Vellore Winfred, J.S.R., Schnatz, H., Grosche, G., Riehle, F., Sterr, U.

“…We report on the setup and characterization of a 698-nm master-slave diode laser system to probe the 1 S 0 - 3 P 0 clock transition of strontium atoms confined…”
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Ramsey-Bordé interferometer and embedded Ramsey interferometer with molecular matter waves of 39K2 by Liu, S., Sherstov, I., Lisdat, C., Knöckel, H., Tiemann, E.

“…A matter wave interferometer based on a molecular beam of K 2 has been designed for observation of both exits: with molecules in the electronically excited…”
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Cold SO2 molecules by Stark deceleration by Bucicov, O., Nowak, M., Jung, S., Meijer, G., Tiemann, E., Lisdat, C.

“… We produce SO 2 molecules with a centre of mass velocity near zero using a Stark decelerator. Since the initial kinetic energy of the supersonic SO 2…”
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Influence of chirped excitation pulses in an optical clock with ultracold calcium atoms by Degenhardt, C., Nazarova, T., Lisdat, C., Stoehr, H., Sterr, U., Riehle, F.

“…We have investigated the influence of frequency chirps of the excitation pulses in a time-domain optical Ramsey-Borde/spl acute/ atom-interferometer used in an…”
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Delivering pulsed and phase stable light to atoms of an optical clock by Falke, S., Misera, M., Sterr, U., Lisdat, C.

“…In optical clocks, transitions of ions or neutral atoms are interrogated using pulsed ultra-narrow laser fields. Systematic phase chirps of the laser or…”
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Long term measurement of the Sr 87 clock frequency at the limit of primary Cs clocks by Schwarz, R., Dörscher, S., Al-Masoudi, A., Benkler, E., Legero, T., Sterr, U., Weyers, S., Rahm, J., Lipphardt, B., Lisdat, C.

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Ultra-cold Molecules: Formation, Trapping and Prospects by Pillet, P, Vanhaecke, N, Lisdat, C, Comparat, D, Dulieu, Olivier, Crubellier, Anne, Masnou-Seeuws, Françoise

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Transportable Optical Lattice Clock with 7 x 10 super(-17) Uncertainty by Koller, S B, Grotti, J, Vogt, S T, Al-Masoudi, A, Dorscher, S, Hafner, S, Sterr, U, Lisdat, C H

“…We present a transportable optical clock (TOC) with super(87) Sr. Its complete characterization against a stationary lattice clock resulted in a systematic…”
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Long term measurement of the ^{87}Sr clock frequency at the limit of primary Cs clocks by R. Schwarz, S. Dörscher, A. Al-Masoudi, E. Benkler, T. Legero, U. Sterr, S. Weyers, J. Rahm, B. Lipphardt, C. Lisdat

“…We report on a series of 42 measurements of the transition frequency of the 429 THz (5s^{2}) ^{1}S_{0}–(5s5p) ^{3}P_{0} line in ^{87}Sr taken over three years…”
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Ramsey-Borde interferometer and embedded Ramsey interferometer with molecular matter waves of super(39)K sub(2) by Liu, S, Sherstov, I, Lisdat, C, Knoeckel, H, Tiemann, E

“…A matter wave interferometer based on a molecular beam of K sub(2) has been designed for observation of both exits: with molecules in the electronically…”
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Providing 10^ Short-Term Stability of a 1.5- \mu\hbox Laser to Optical Clocks by Hagemann, C., Grebing, C., Kessler, T., Falke, S., Lemke, N., Lisdat, C., Schnatz, H., Riehle, F., Sterr, U.

“…We report on transferring 10 -16 -level fractional frequency stability of a "master laser" operated at 1.5 μm to a "slave laser" operated at 698 nm, using a…”
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