Philip G. Westergaard

Physics and Astronomy · Physical Sciences

12h-index952citations37works0.02yr avg
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Research Topics

Advanced Frequency and Time Standards(26), Cold Atom Physics and Bose-Einstein Condensates(17), Advanced Fiber Laser Technologies(16), Atomic and Subatomic Physics Research(13), Advanced Fiber Optic Sensors(5)

Publications37 total

Time-stretched all-fiber supercontinuum source for spectroscopy
2020
Compact all-fiber supercontinuum source with high stability
2020
Hundred-watt CW and Joule level pulsed output from Raman fiber laser in 1.7-μm band
2020· 13 cited
Stabilization and line narrowing of a frequency comb locked to an acetylene stabilized fibre laser (Conference Presentation)
2017· 1 cited
Enhancement of the performance of a fiber-based frequency comb by referencing to an acetylene-stabilized fiber laser
Optics Express·2017· 24 citedOpen Access
Probing molecular symmetry with polarization-sensitive stimulated Raman spectroscopy
arXiv (Cornell University)·2016· 1 citedOpen Access
Laser Spectroscopy in Hollow‐Core Fibers: Principles and Applications
InTech eBooks·2016· 1 citedOpen Access
All-optical detection of acoustic pressure waves with applications in photoacoustic spectroscopy
Applied Optics·2016· 8 citedOpen Access
Nonlinear spectroscopy of Sr atoms in an optical cavity for laser stabilization
Physical Review A·2015· 32 citedOpen Access
Differential high-resolution stimulated CW Raman spectroscopy of hydrogen in a hollow-core fiber
Optics Express·2015· 15 citedOpen Access
Laser stabilization on velocity dependent nonlinear dispersion of Sr atoms in an optical cavity
2015· 1 cited
Hyperfine structure of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mrow><mml:mo>(</mml:mo><mml:mn>3</mml:mn><mml:mi>s</mml:mi><mml:mn>3</mml:mn><mml:mi>d</mml:mi><mml:mo>)</mml:mo></mml:mrow><mml:mspace width="0.16em"/><mml:mrow><mml:msup><mml:mrow/><mml:mn>3</mml:mn></mml:msup><mml:msub><mml:mi>D</mml:mi><mml:mi>J</mml:mi></mml:msub></mml:mrow></mml:mrow></mml:math>manifold of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mmultiscripts><mml:mi mathvariant="normal">Mg</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>25</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math>i
Physical Review A·2015· 1 cited
Observation of Motion-Dependent Nonlinear Dispersion with Narrow-Linewidth Atoms in an Optical Cavity
Physical Review Letters·2015· 30 citedOpen Access
Experimental investigation of collective atomic effects in cavity QED with application to atomic clocks
Bulletin of the American Physical Society·2014
Prospects for frequency stabilization using collective effects of strontium atoms in an optical cavity
2014
Correction: Corrigendum: Experimental realization of an optical second with strontium lattice clocks
Nature Communications·2013· 12 citedOpen Access
Experimental realization of an optical second with strontium lattice clocks
Nature Communications·2013· 246 citedOpen Access
Invited - Optical Lattice Clocks at LNE-SYRTE
HAL (Le Centre pour la Communication Scientifique Directe)·2012
Precision Measurements with ultra-cold Alkaline Earth Atoms
Latin America Optics and Photonics Conference·2012
Erratum: Experimental Determination of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi>Mg</mml:mi><mml:mprescripts/><mml:none/><mml:mn>24</mml:mn></mml:mmultiscripts><mml:mi mathvariant="normal">I</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mn>3</mml:mn><mml:mi>s</mml:mi><mml:mn>3</mml:mn><mml:mi>p</mml:mi><mml:mo stretchy="false">)</mml:mo><mml:mmultiscripts><mml:mi mathvariant="normal">P</mml:mi><mml:mn>2</mml:mn><mml:none/><mml:mprescripts/><mml:none/><mml:mn>3</mml:mn></mml:mmultiscripts></mml:math>Lifetime [Phys. Rev. Lett.<b>107</b>, 113001 (2011)]
Physical Review Letters·2011· 1 citedOpen Access
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Frequent Co-authors

P. Lemonde(17), Jérôme Lodewyck(14), S. Bize(11), J. W. Thomsen(9), Arnaud Lecallier(8), L. Lorini(7), Daniele Rovera(6), Jun Ye(6), Rodolphe Le Targat(5), Yann Le Coq(5), M. Zawada(5), P. Rosenbusch(5), Bjarke T. R. Christensen(5), Martin R. Henriksen(4), Xavier Baillard(4), Mikhail Gurov(3), G. Santarelli(3), A. Clairon(3), Jacques Millo(3), Jan Hald(3)