Phase modulation in polarization beating quasi-phase-matching of high-order-harmonic generation

Tzvi Diskin; Ofer Kfir; Avner Fleischer; Oren Cohen

doi:https://doi.org/10.1103/PhysRevA.92.033807

Phase modulation in polarization beating quasi-phase-matching of high-order-harmonic generation

Tzvi Diskin, Ofer Kfir, Avner Fleischer, Oren Cohen

Technion - Israel Institute of Technology

Research output: Contribution to journal › Article › peer-review

Abstract

Polarization beating quasi-phase-matching (PB QPM) in high-harmonic generation (HHG) is currently understood as a purely-intensity-modulation quasi-phase-matching (QPM) technique. In PB QPM, the driver ellipticity oscillates during propagation, modulating the HHG conversion efficiency since the single-atom HHG yield decreases rapidly with increasing ellipticity of the driving laser. We show that PB QPM is in fact based on both intensity and phase modulations. Unfortunately, in PB QPM the intensity and phase contributions oppose each other, resulting in significant reduction in the QPM efficiency.

Original language	English
Article number	033807
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	92
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevA.92.033807
State	Published - 4 Sep 2015

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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title = "Phase modulation in polarization beating quasi-phase-matching of high-order-harmonic generation",

abstract = "Polarization beating quasi-phase-matching (PB QPM) in high-harmonic generation (HHG) is currently understood as a purely-intensity-modulation quasi-phase-matching (QPM) technique. In PB QPM, the driver ellipticity oscillates during propagation, modulating the HHG conversion efficiency since the single-atom HHG yield decreases rapidly with increasing ellipticity of the driving laser. We show that PB QPM is in fact based on both intensity and phase modulations. Unfortunately, in PB QPM the intensity and phase contributions oppose each other, resulting in significant reduction in the QPM efficiency.",

author = "Tzvi Diskin and Ofer Kfir and Avner Fleischer and Oren Cohen",

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AU - Kfir, Ofer

AU - Fleischer, Avner

AU - Cohen, Oren

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N2 - Polarization beating quasi-phase-matching (PB QPM) in high-harmonic generation (HHG) is currently understood as a purely-intensity-modulation quasi-phase-matching (QPM) technique. In PB QPM, the driver ellipticity oscillates during propagation, modulating the HHG conversion efficiency since the single-atom HHG yield decreases rapidly with increasing ellipticity of the driving laser. We show that PB QPM is in fact based on both intensity and phase modulations. Unfortunately, in PB QPM the intensity and phase contributions oppose each other, resulting in significant reduction in the QPM efficiency.

AB - Polarization beating quasi-phase-matching (PB QPM) in high-harmonic generation (HHG) is currently understood as a purely-intensity-modulation quasi-phase-matching (QPM) technique. In PB QPM, the driver ellipticity oscillates during propagation, modulating the HHG conversion efficiency since the single-atom HHG yield decreases rapidly with increasing ellipticity of the driving laser. We show that PB QPM is in fact based on both intensity and phase modulations. Unfortunately, in PB QPM the intensity and phase contributions oppose each other, resulting in significant reduction in the QPM efficiency.

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JO - Physical Review A - Atomic, Molecular, and Optical Physics

JF - Physical Review A - Atomic, Molecular, and Optical Physics

IS - 3

M1 - 033807

ER -

Phase modulation in polarization beating quasi-phase-matching of high-order-harmonic generation

Abstract

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