Search Results - "FORTIER, T"

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  1. 1

    Hyperpolarizability and Operational Magic Wavelength in an Optical Lattice Clock by Brown, R C, Phillips, N B, Beloy, K, McGrew, W F, Schioppo, M, Fasano, R J, Milani, G, Zhang, X, Hinkley, N, Leopardi, H, Yoon, T H, Nicolodi, D, Fortier, T M, Ludlow, A D

    Published in Physical review letters (19-12-2017)
    “…Optical clocks benefit from tight atomic confinement enabling extended interrogation times as well as Doppler- and recoil-free operation. However, these…”
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    Journal Article
  2. 2

    Frequency Ratio of Al⁺ and Hg⁺ Single-Ion Optical Clocks; Metrology at the 17th Decimal Place by Rosenband, T, Hume, D.B, Schmidt, P.O, Chou, C.W, Brusch, A, Lorini, L, Oskay, W.H, Drullinger, R.E, Fortier, T.M, Stalnaker, J.E, Diddams, S.A, Swann, W.C, Newbury, N.R, Itano, W.M, Wineland, D.J, Bergquist, J.C

    “…Time has always had a special status in physics because of its fundamental role in specifying the regularities of nature and because of the extraordinary…”
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    Journal Article
  3. 3

    Frequency-comb spectroscopy on pure quantum states of a single molecular ion by Chou, C W, Collopy, A L, Kurz, C, Lin, Y, Harding, M E, Plessow, P N, Fortier, T, Diddams, S, Leibfried, D, Leibrandt, D R

    “…Spectroscopy is a powerful tool for studying molecules and is commonly performed on large thermal molecular ensembles that are perturbed by motional shifts and…”
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    Journal Article
  4. 4

    Spin-1/2 optical lattice clock by Lemke, N D, Ludlow, A D, Barber, Z W, Fortier, T M, Diddams, S A, Jiang, Y, Jefferts, S R, Heavner, T P, Parker, T E, Oates, C W

    Published in Physical review letters (07-08-2009)
    “…We experimentally investigate an optical clock based on ;{171}Yb (I = 1/2) atoms confined in an optical lattice. We have evaluated all known frequency shifts…”
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    Journal Article
  5. 5

    Optical lattice induced light shifts in an yb atomic clock by Barber, Z W, Stalnaker, J E, Lemke, N D, Poli, N, Oates, C W, Fortier, T M, Diddams, S A, Hollberg, L, Hoyt, C W, Taichenachev, A V, Yudin, V I

    Published in Physical review letters (14-03-2008)
    “…We present an experimental study of the lattice-induced light shifts on the (1)S(0) --> (3)P(0) optical clock transition (nu(clock) approximately 518 THz) in…”
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    Journal Article
  6. 6

    Optimizing the linearity in high-speed photodiodes by Davila-Rodriguez, J, Xie, X, Zang, J, Long, C J, Fortier, T M, Leopardi, H, Nakamura, T, Campbell, J C, Diddams, S A, Quinlan, F

    Published in Optics express (12-11-2018)
    “…Analog photonic links require high-fidelity, high-speed optical-to-electrical conversion for applications such as radio-over-fiber, synchronization at…”
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    Journal Article
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  8. 8

    Improved signal-to-noise ratio of 10 GHz microwave signals generated with a mode-filtered femtosecond laser frequency comb by Diddams, S A, Kirchner, M, Fortier, T, Braje, D, Weiner, A M, Hollberg, L

    Published in Optics express (02-03-2009)
    “…We use a Fabry-Perot cavity to optically filter the output of a Ti:sapphire frequency comb to integer multiples of the original 1 GHz mode spacing. This…”
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    Journal Article
  9. 9

    Optically referenced broadband electronic synthesizer with 15 digits of resolution by Fortier, T. M, Rolland, A., Quinlan, F., Baynes, F. N., Metcalf, A. J., Hati, A., Ludlow, A. D., Hinkley, N., Shimizu, M., Ishibashi, T., Campbell, J. C., Diddams, S. A.

    Published in Laser & photonics reviews (01-09-2016)
    “…Fundamental science, as well as all communications and navigation systems, are heavily reliant on the phase, timing, and synchronization provided by low‐noise…”
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    Journal Article
  10. 10

    Precision atomic spectroscopy for improved limits on variation of the fine structure constant and local position invariance by Fortier, T M, Ashby, N, Bergquist, J C, Delaney, M J, Diddams, S A, Heavner, T P, Hollberg, L, Itano, W M, Jefferts, S R, Kim, K, Levi, F, Lorini, L, Oskay, W H, Parker, T E, Shirley, J, Stalnaker, J E

    Published in Physical review letters (16-02-2007)
    “…We report tests of local position invariance and the variation of fundamental constants from measurements of the frequency ratio of the 282-nm 199Hg+ optical…”
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    Journal Article
  11. 11

    Probing Interactions Between Ultracold Fermions by Campbell, G.K, Boyd, M.M, Thomsen, J.W, Martin, M.J, Blatt, S, Swallows, M.D, Nicholson, T.L, Fortier, T, Oates, C.W, Diddams, S.A, Lemke, N.D, Naidon, P, Julienne, P, Ye, Jun, Ludlow, A.D

    “…At ultracold temperatures, the Pauli exclusion principle suppresses collisions between identical fermions. This has motivated the development of atomic clocks…”
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    Journal Article
  12. 12

    Single-atom optical clock with high accuracy by Oskay, W H, Diddams, S A, Donley, E A, Fortier, T M, Heavner, T P, Hollberg, L, Itano, W M, Jefferts, S R, Delaney, M J, Kim, K, Levi, F, Parker, T E, Bergquist, J C

    Published in Physical review letters (14-07-2006)
    “…For the past 50 years, atomic standards based on the frequency of the cesium ground-state hyperfine transition have been the most accurate time pieces in the…”
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    Journal Article
  13. 13

    Generation of ultrastable microwaves via optical frequency division by Fortier, T. M., Kirchner, M. S., Quinlan, F., Taylor, J., Bergquist, J. C., Rosenband, T., Lemke, N., Ludlow, A., Jiang, Y., Oates, C. W., Diddams, S. A.

    Published in Nature photonics (01-07-2011)
    “…There has been increased interest in the use and manipulation of optical fields to address the challenging problems that have traditionally been approached…”
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    Journal Article
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  15. 15

    Kilohertz-resolution spectroscopy of cold atoms with an optical frequency comb by Fortier, T M, Coq, Y Le, Stalnaker, J E, Ortega, D, Diddams, S A, Oates, C W, Hollberg, L

    Published in Physical review letters (20-10-2006)
    “…We have performed sub-Doppler spectroscopy on the narrow intercombination line of cold calcium atoms using the amplified output of a femtosecond laser…”
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    Journal Article
  16. 16

    10 GHz generation with ultra-low phase noise via the transfer oscillator technique by Nardelli, N. V., Fortier, T. M., Pomponio, M., Baumann, E., Nelson, C., Schibli, T. R., Hati, A.

    Published in APL photonics (01-02-2022)
    “…Coherent frequency division of high-stability optical sources permits the extraction of microwave signals with ultra-low phase noise, enabling their…”
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    Journal Article
  17. 17

    Carrier-envelope phase-controlled quantum interference of injected photocurrents in semiconductors by Fortier, T M, Roos, P A, Jones, D J, Cundiff, S T, Bhat, R D R, Sipe, J E

    Published in Physical review letters (09-04-2004)
    “…We demonstrate quantum interference control of injected photocurrents in a semiconductor using the phase stabilized pulse train from a mode-locked Ti:sapphire…”
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    Journal Article
  18. 18

    Multiple bonding geometries and binding state conversion of benzene/Si(100) by Lopinski, G. P., Fortier, T. M., Moffatt, D. J., Wolkow, R. A.

    “…Scanning tunneling microscopy (STM), Fourier-transform infrared spectroscopy and semiempirical quantum cluster calculations have been used to investigate the…”
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    Conference Proceeding Journal Article
  19. 19

    A low-threshold self-referenced Ti:Sapphire optical frequency comb by Kirchner, M S, Fortier, T M, Bartels, A, Diddams, S A

    Published in Optics express (02-10-2006)
    “…We demonstrate an octave-spanning, self-referenced optical frequency comb produced with a high-repetition-rate (frep=585 MHz) femtosecond Ti:Sapphire laser…”
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    Journal Article
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