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  • Journal article
    Kim MS, Kim MG, Lee KS, 1994,

    Squeezing Properties of Jaynes-Cummings Fields in Heat Baths

    , Journal of Modern Optics, Vol: 41, Pages: 569-580, ISSN: 0950-0340
  • Journal article
    GARRAWAY BM, KNIGHT PL, 1994,

    COMPARISON OF QUANTUM-STATE DIFFUSION AND QUANTUM-JUMP SIMULATIONS OF 2-PHOTON PROCESSES IN A DISSIPATIVE ENVIRONMENT

    , PHYSICAL REVIEW A, Vol: 49, Pages: 1266-1274, ISSN: 1050-2947
  • Journal article
    DUTRA SM, KNIGHT PL, 1994,

    ATOMIC PROBE FOR QUANTUM STATES OF THE ELECTROMAGNETIC-FIELD

    , PHYSICAL REVIEW A, Vol: 49, Pages: 1506-1508, ISSN: 1050-2947
  • Journal article
    GARRAWAY BM, SHERMAN B, MOYACESSA H, KNIGHT PL, KURIZKI Get al., 1994,

    GENERATION AND DETECTION OF NONCLASSICAL FIELD STATES BY CONDITIONAL MEASUREMENTS FOLLOWING 2-PHOTON RESONANT INTERACTIONS

    , PHYSICAL REVIEW A, Vol: 49, Pages: 535-547, ISSN: 1050-2947
  • Journal article
    TISCH JWG, SMITH RA, MUFFETT JE, CIARROCCA M, MARANGOS JP, HUTCHINSON MHRet al., 1994,

    ANGULARLY RESOLVED HIGH-ORDER HARMONIC-GENERATION IN HELIUM

    , PHYSICAL REVIEW A, Vol: 49, Pages: R28-R31, ISSN: 1050-2947
  • Book chapter
    Corkum PB, Burnett NH, Dietrich P, Ivanov MYet al., 1994,

    Atoms in intense laser fields

    , Atomic Physics, Editors: Wineland, Weinman, Smith
  • Journal article
    CORKUM P, BURNETT N, IVANOV M, 1994,

    SUBFEMTOSECOND PULSES

    , OPTICS LETTERS, Vol: 19, Pages: 1870-1872, ISSN: 0146-9592

    High-harmonic emission is very sensitive to the polarization of a fundamental laser beam. By combining two short perpendicularly polarized pulses with frequencies centered at omega(1) and omega(2), where (omega(1)-omega(2))/omega(1) much less than 1, we can create a pulse with polarization that sweeps from circular through linear back to circular. It is possible to make the duration of the segment of the pulse capable of emitting short-wavelength radiation so small that emission is possible only for a time less than the period of the fundamental.
  • Conference paper
    SVANBERG S, ANDERSSONENGELS S, BERG R, BORGSTROM S, CARLSSON J, ERLANDSSON B, HERTZ HM, LARSSON J, PERSSON A, PERSSON W, PETTERSSON SG, STARCZEWSKI T, TILLMAN C, WAHLSTROM CG, ZERNE R, HERRLIN K, OLSSON C, PETTERSSON H, SVAHN G, BALCOU P, LHUILLIER A, SALIERES P, HUTCHINSON MHR, TISCH JWG, SMITH RAet al., 1994,

    APPLICATIONS OF TERAWATT LASERS

    , 11th International Conference on Laser Spectroscopy, Publisher: AIP PRESS, Pages: 264-269, ISSN: 0094-243X
  • Journal article
    Garraway BM, Knight PL, 1994,

    Dissipative environments: Quantum jumps or phase-space localization?

    , Quantum Optics Vi, Vol: 77, Pages: 173-183
  • Journal article
    Tisch JWG, Smith RA, Ciarrocca M, Muffett JE, Marangos JP, Hutchinson MHRet al., 1994,

    Angularly-resolved high-order harmonic-generation in helium

    , Journal of Modern Optics, Vol: 41, Pages: 1163-1172, ISSN: 0950-0340
  • Journal article
    Thompson RC, Dholakia K, Horvath GZK, Power W, Segal DMet al., 1994,

    Spectroscopy of laser-cooled ions

    , Journal of Modern Optics, Vol: 41, Pages: 1087-1098, ISSN: 0950-0340
  • Journal article
    LEWENSTEIN M, BALCOU P, IVANOV M, LHUILLIER A, CORKUM Pet al., 1994,

    THEORY OF HIGH-HARMONIC GENERATION BY LOW-FREQUENCY LASER FIELDS

    , PHYSICAL REVIEW A, Vol: 49, Pages: 2117-2132, ISSN: 1050-2947

    We present a simple, analytic, and fully quantum theory of high-harmonic generation by low-frequency laser fields. The theory recovers the classical interpretation of Kulander et al. in [Proceedings of the SILAP III Workshop, edited by B. Piraux (Plenum, New York, 1993)] and Corkum [Phys. Rev. Lett. 71, 1994 (1993)] and clearly explains why the single-atom harmonic-generation spectra fall off at an energy approximately equal to the ionization energy plus about three times the oscillation energy of a free electron in the field. The theory is valid for arbitrary atomic potentials and can be generalized to describe laser fields of arbitrary ellipticity and spectrum. We discuss the role of atomic dipole matrix elements, electron rescattering processes, and of depletion of the ground state. We present the exact quantum-mechanical formula for the harmonic cutoff that differs from the phenomenological law I(p) + 3.17U(p) where I(p) is the atomic ionization potential and U(p) is the ponderomotive energy, due to the account for quantum tunneling and diffusion effects.
  • Book chapter
    Dietrich P, Burnett NH, Ivanov MY, Corkum PBet al., 1994,

    High harmonic generation and correlated two-electron multiphoton ionization with elliptically polarized light

    , Multiphoton Processes, Editors: Evans, Chin, Publisher: World Scientific
  • Book chapter
    Lewenstein M, Salieres P, Ph B, L'Hullier A, Ivanov MYet al., 1994,

    Where is the harmonic generation cutoff?

    , Editors: Evans, Chin, Publisher: World Scientific
  • Journal article
    IVANOV M, 1994,

    SUPPRESSION OF RESONANT MULTIPHOTON IONIZATION VIA RYDBERG STATES

    , PHYSICAL REVIEW A, Vol: 49, Pages: 1165-1170, ISSN: 1050-2947

    We discuss atomic stabilization in the process of resonance ionization via Rydberg states. We show that a strong resonance interaction between Rydberg states and a low-lying state substantially suppresses ionization. :As a result, the population is trapped in the Rydberg states. Raman-type coupling of Rydberg states via the continuum is shown to be essential for the effect even when the bound-free interaction is weak.
  • Book chapter
    Ivanov MY, Corkum PB, 1994,

    Symmetry breaking and the control of harmonics with strong short laser pulses

    , Super-Intense Laser-Atom Physics, Editors: Piraux, L'Hullier, Rzazewski, Publisher: Plenum Press, N.Y
  • Book chapter
    Ivanov MY, Corkum PB, Dietrich P, Burnett NHet al., 1994,

    From high harmonics to strong field coherent control of atomic processes.

    , Multiphoton Processes, Editors: Evans, Chin, Publisher: World Scientific
  • Journal article
    KEITEL CH, KNIGHT PL, BURNETT K, 1993,

    RELATIVISTIC HIGH-HARMONIC GENERATION

    , EUROPHYSICS LETTERS, Vol: 24, Pages: 539-544, ISSN: 0295-5075
  • Journal article
    Hinds EA, Sangster K, Barnett SM, Riis Eet al., 1993,

    Measurement of the Aharonov-Casher Phase in an Atomic System

    , Physical Review Letters, ISSN: 0031-9007
  • Journal article
    MOYACESSA H, BUZEK V, KIM MS, KNIGHT PLet al., 1993,

    INTRINSIC DECOHERENCE IN THE ATOM-FIELD INTERACTION

    , PHYSICAL REVIEW A, Vol: 48, Pages: 3900-3905, ISSN: 1050-2947
  • Journal article
    DUTRA SM, KNIGHT PL, MOYACESSA H, 1993,

    DISCRIMINATING FIELD MIXTURES FROM MACROSCOPIC SUPERPOSITIONS

    , PHYSICAL REVIEW A, Vol: 48, Pages: 3168-3173, ISSN: 1050-2947
  • Journal article
    GISIN N, KNIGHT PL, PERCIVAL IC, THOMPSON RC, WILSON DCet al., 1993,

    QUANTUM STATE DIFFUSION-THEORY AND A QUANTUM JUMP EXPERIMENT

    , JOURNAL OF MODERN OPTICS, Vol: 40, Pages: 1663-1671, ISSN: 0950-0340
  • Journal article
    MOYACESSA H, KNIGHT PL, 1993,

    SERIES REPRESENTATION OF QUANTUM-FIELD QUASI-PROBABILITIES

    , PHYSICAL REVIEW A, Vol: 48, Pages: 2479-2481, ISSN: 1050-2947
  • Journal article
    KUDRYAVTSEV IK, KNIGHT PL, 1993,

    ATOMIC ENTANGLEMENT AND BELL INEQUALITY VIOLATION

    , JOURNAL OF MODERN OPTICS, Vol: 40, Pages: 1673-1679, ISSN: 0950-0340
  • Journal article
    STANKIEWICZ M, FRASINSKI LJ, CROSS GM, HATHERLY PA, CODLING K, LANGLEY AJ, SHAIKH Wet al., 1993,

    DISSOCIATIVE IONIZATION OF N2 AND CO USING INTENSE LASERS AT 248 AND 305 NM

    , JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, Vol: 26, Pages: 2619-2626, ISSN: 0953-4075
  • Journal article
    SHAW MJ, BIALOLENKER G, HIRST GJ, HOOKER CJ, KEY MH, KIDD AK, LISTER JMD, HILL KE, NEW GHC, WILSON DCet al., 1993,

    ULTRAHIGH-BRIGHTNESS LASER-BEAMS WITH LOW PREPULSE OBTAINED BY STIMULATED RAMAN-SCATTERING

    , OPTICS LETTERS, Vol: 18, Pages: 1320-1322, ISSN: 0146-9592
  • Journal article
    KUDRYAVTSEV IK, LAMBRECHT A, MOYACESSA H, KNIGHT PLet al., 1993,

    COOPERATIVITY AND ENTANGLEMENT OF ATOM-FIELD STATES

    , JOURNAL OF MODERN OPTICS, Vol: 40, Pages: 1605-1630, ISSN: 0950-0340
  • Journal article
    GILLES L, KNIGHT PL, 1993,

    2-PHOTON ABSORPTION AND NONCLASSICAL STATES OF LIGHT

    , PHYSICAL REVIEW A, Vol: 48, Pages: 1582-1593, ISSN: 1050-2947
  • Journal article
    FRASINSKI LJ, 1993,

    ON THE ABSENCE OF NEGATIVE CORRELATIONS BETWEEN PRODUCTS OF COMPETING PROCESSES - COMMENT

    , JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, Vol: 26, Pages: 2225-2226, ISSN: 0953-4075
  • Journal article
    KNIGHT PL, SHORE BW, 1993,

    SCHRODINGER-CAT STATES OF THE ELECTROMAGNETIC-FIELD AND MULTILEVEL ATOMS

    , PHYSICAL REVIEW A, Vol: 48, Pages: 642-655, ISSN: 1050-2947

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