Poling pattern for efficient frequency doubling of Gaussian beams

Roy Shiloh; Ady Arie

doi:10.1007/s00340-012-5156-9

Poling pattern for efficient frequency doubling of Gaussian beams

Roy Shiloh, Ady Arie

School of Electrical Engineering

Tel Aviv University

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

Abstract

The commonly used periodic patterning for quasi phase-matching plane-waves is theoretically adequate for completely depleting and transferring a fundamental wave to its second harmonic. However, when working with Gaussian beams the conversion efficiency of such a design lacks due to the inherent Gouy phase shift and the spatially varying beam profile, yielding roughly 88 % conversion efficiency. In this paper, we study the possibility of adding a linear chirp and Gouy-phase shift compensation to the periodic poling. We demonstrate that this poling pattern enables us to achieve near-optimal frequency doubling efficiency of up to 97 %.

Original language	English
Pages (from-to)	573-579
Number of pages	7
Journal	Applied Physics B: Lasers and Optics
Volume	109
Issue number	4
DOIs	https://doi.org/10.1007/s00340-012-5156-9
State	Published - Dec 2012

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)
General Physics and Astronomy

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10.1007/s00340-012-5156-9

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title = "Poling pattern for efficient frequency doubling of Gaussian beams",

abstract = "The commonly used periodic patterning for quasi phase-matching plane-waves is theoretically adequate for completely depleting and transferring a fundamental wave to its second harmonic. However, when working with Gaussian beams the conversion efficiency of such a design lacks due to the inherent Gouy phase shift and the spatially varying beam profile, yielding roughly 88 \% conversion efficiency. In this paper, we study the possibility of adding a linear chirp and Gouy-phase shift compensation to the periodic poling. We demonstrate that this poling pattern enables us to achieve near-optimal frequency doubling efficiency of up to 97 \%.",

author = "Roy Shiloh and Ady Arie",

note = "Funding Information: This work was partially supported by the Office of the Chief Scientist, The Israeli Ministry of Industry, Trade and Labor.",

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N2 - The commonly used periodic patterning for quasi phase-matching plane-waves is theoretically adequate for completely depleting and transferring a fundamental wave to its second harmonic. However, when working with Gaussian beams the conversion efficiency of such a design lacks due to the inherent Gouy phase shift and the spatially varying beam profile, yielding roughly 88 % conversion efficiency. In this paper, we study the possibility of adding a linear chirp and Gouy-phase shift compensation to the periodic poling. We demonstrate that this poling pattern enables us to achieve near-optimal frequency doubling efficiency of up to 97 %.

AB - The commonly used periodic patterning for quasi phase-matching plane-waves is theoretically adequate for completely depleting and transferring a fundamental wave to its second harmonic. However, when working with Gaussian beams the conversion efficiency of such a design lacks due to the inherent Gouy phase shift and the spatially varying beam profile, yielding roughly 88 % conversion efficiency. In this paper, we study the possibility of adding a linear chirp and Gouy-phase shift compensation to the periodic poling. We demonstrate that this poling pattern enables us to achieve near-optimal frequency doubling efficiency of up to 97 %.

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DO - 10.1007/s00340-012-5156-9

M3 - مقالة

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JO - Applied Physics B: Lasers and Optics

JF - Applied Physics B: Lasers and Optics

IS - 4

ER -

Poling pattern for efficient frequency doubling of Gaussian beams

Abstract

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