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Search Publications by: Scott Diddams (Assoc)

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Displaying 351 - 375 of 631

Stability measurements of the Ca and Yb Optical Frequency Standards

June 5, 2006
Author(s)
Christopher W. Oates, C Hoyt, Yann Le Coq, Zeb Barber, Tara M. Fortier, Jason Stalnaker, Scott A. Diddams, Leo W. Hollberg
In this paper we describe two types of optical atomic clocks. The first is based on freely expanding calcium atoms and is optimized for experimental simplicity and high stability. The second is based on Yb atoms confined to an optical lattice that is

Optical and microwave frequency synthesis with an integrated fiber frequency comb

May 21, 2006
Author(s)
L Hartl, Martin E. Fermann, W Swann, John J. McFerran, Ian R. Coddington, Qudsia Quraishi, Scott A. Diddams, Nathan R. Newbury, Carston Langrock, M M. Fejer, P. S. Westbrook, Jeffrey W. Nicholson, K Feder
We demonstrate optical coherence over a broad spectral range of two independent fiber frequency combs. Additionally, we demonstrate microwave stability of better than 2x10 -14 in 1 second for an optically integrated fiber frequency comb.

Phase-stabilized ultrafast lasers signal new era in measurement and research

May 15, 2006
Author(s)
Tara M. Fortier, A Bartels, Scott A. Diddams
The development of short-pulsed lasers has progressed steadily over the past 30 years. In the search for better techniques and materials to generate shorter and shorter pulses, the 1990?s witnessed the arrival of Kerr-lens mode-locked Ti:sapphire lasers as

Phase-Stabilized Ultrafast Lasers Signal New Era Measurement and Research

May 1, 2006
Author(s)
Tara M. Fortier, A Bartels, Scott A. Diddams
The development of short pulsed lasers has progressed steadily over the past 30 years. In the search for better techniques and materials to generate shorter and shorter pulses, the 1990's witnessed the arrival of Kerr-lens mode locked Ti:sapphire lasers as

Optical frequency measurements of 6s 2 S 1/2 - 6p 2 P 1/2 (D 1 )transitions in 133 Cs and their impact on the fine-structure constant

March 8, 2006
Author(s)
Vladislav Gerginov, K Calklins, B Tanner, John J. McFerran, Scott A. Diddams, Albrecht Bartels, Leo W. Hollberg
High resolution laser spectroscopy of 6s 2S 1/2 – 6p 2P 1/2 transition (D 1 line) in neutral 133Cs is performed in a highly collimated thermal atomic beam using a femtosecond laser frequency comb and narrow linewidth diode laser. The diode laser is offset

Optical frequency measurements of 6s 2 S 1/2 - 6p 2 P 1/2 (D1) transitions in 133 Cs and their impact on the fine-structure constant

March 8, 2006
Author(s)
Vladislav Gerginov, K Calklins, Carol Tanner, John J. McFerran, Scott A. Diddams, A Bartels, Leo W. Hollberg
High resolution laser spectroscopy of 6s 2S 1/2 – 6p 2P 1/2 transition (D1 line) in neutral 133Cs is performed in a highly collimated thermal atomic beam using a femtosecond laser frequency comb and narrow linewidth diode laser. The diode laser is offset

Improved stabilization of a 1.3 um femtosecond optical frequency comb using spectrally tailored continuum from a nonlinear fiber grating

January 15, 2006
Author(s)
Kyoungsik Kim, Leo W. Hollberg, Scott A. Diddams, P. S. Westbrook, Jeffrey W. Nicholson
We report the significant enhancement ($+$24 dB) of the optical beat note between a 657-nm cw laser and the second-harmonic generation of the tailored continuum at 1314 nm generated with a femtosecond Cr:forsterite laser and a nonlinear fiber Bragg grating

Improved stabilization of a 1.3 um femtosecond optical frequency comb using spectrally-tailored continuum from a nonlinear fiber grating

January 1, 2006
Author(s)
Kyoungsik Kim, Leo W. Hollberg, Scott A. Diddams, P. S. Westbrook, Jeffrey W. Nicholson, K Feder
We report the significant enhancement ($+$24 dB) of the optical beat note between a 657-nm cw laser and the second-harmonic generation of the tailored continuum at 1314 nm generated with a femtosecond Cr:forsterite laser and a nonlinear fiber Bragg grating
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