Extended phase matching of second-harmonic generation in periodically poled KTiOPO4 with zero group-velocity mismatch

Friedrich Ernst Wilhelm Koenig; Franco NC Wong

doi:10.1063/1.1668320

Extended phase matching of second-harmonic generation in periodically poled KTiOPO₄ with zero group-velocity mismatch

Friedrich Ernst Wilhelm Koenig, Franco NC Wong

School of Physics and Astronomy

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

Abstract

Under extended phase-matching conditions, the first frequency derivative of the wave-vector mismatch is zero and the phase-matching bandwidth is greatly increased. We present extensive three-wave mixing measurements of the wave-vector mismatch and obtain improved Sellmeier equations for KTiOPO4. We observed a type-II extended phase-matching bandwidth of 100 nm for second-harmonic generation in periodically poled KTiOPO4, centered at the fundamental wavelength of 1584 nm. Applications in quantum entanglement and frequency metrology are discussed. (C) 2004 American Institute of Physics.

Original language	English
Pages (from-to)	1644-1646
Number of pages	3
Journal	Applied Physics Letters
Volume	84
Issue number	10
DOIs	https://doi.org/10.1063/1.1668320
Publication status	Published - 8 Mar 2004

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10.1063/1.1668320

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abstract = "Under extended phase-matching conditions, the first frequency derivative of the wave-vector mismatch is zero and the phase-matching bandwidth is greatly increased. We present extensive three-wave mixing measurements of the wave-vector mismatch and obtain improved Sellmeier equations for KTiOPO4. We observed a type-II extended phase-matching bandwidth of 100 nm for second-harmonic generation in periodically poled KTiOPO4, centered at the fundamental wavelength of 1584 nm. Applications in quantum entanglement and frequency metrology are discussed. (C) 2004 American Institute of Physics.",

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N2 - Under extended phase-matching conditions, the first frequency derivative of the wave-vector mismatch is zero and the phase-matching bandwidth is greatly increased. We present extensive three-wave mixing measurements of the wave-vector mismatch and obtain improved Sellmeier equations for KTiOPO4. We observed a type-II extended phase-matching bandwidth of 100 nm for second-harmonic generation in periodically poled KTiOPO4, centered at the fundamental wavelength of 1584 nm. Applications in quantum entanglement and frequency metrology are discussed. (C) 2004 American Institute of Physics.

AB - Under extended phase-matching conditions, the first frequency derivative of the wave-vector mismatch is zero and the phase-matching bandwidth is greatly increased. We present extensive three-wave mixing measurements of the wave-vector mismatch and obtain improved Sellmeier equations for KTiOPO4. We observed a type-II extended phase-matching bandwidth of 100 nm for second-harmonic generation in periodically poled KTiOPO4, centered at the fundamental wavelength of 1584 nm. Applications in quantum entanglement and frequency metrology are discussed. (C) 2004 American Institute of Physics.

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JF - Applied Physics Letters

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Extended phase matching of second-harmonic generation in periodically poled KTiOPO₄ with zero group-velocity mismatch

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