Efficient doubling of femtosecond pulses in aperiodically and periodically poled KTP crystals

A. A. Lagatsky; C. T. A. Brown; W. Sibbett; S. J. Holmgren; C. Canalias; V. Pasiskevicius; F. Laurell; E. U. Rafailov

doi:10.1364/OE.15.001155

Efficient doubling of femtosecond pulses in aperiodically and periodically poled KTP crystals

A. A. Lagatsky, C. T. A. Brown, W. Sibbett, S. J. Holmgren, C. Canalias, V. Pasiskevicius, F. Laurell, E. U. Rafailov

School of Physics and Astronomy

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

Abstract

Efficient doubling of femtosecond pulses in periodically and aperiodically poled KTP crystals is demonstrated by employing the quasi-phasematched frequency conversion technique. Conversion efficiencies as high as 60% were achieved using either aperiodically or periodically poled KTP nonlinear crystals in an extracavity, single-pass configuration using a diode-pumped femtosecond Yb:KYW laser as the pump source. The temporal characteristics of the frequency-doubled pulses as a function of focusing conditions in a "thick" nonlinear crystal regime have been investigated experimentally and pulses as short as 177 fs have been generated at around 520 nm under strong focusing conditions using a KTP crystal with aperiodic poling. (c) 2007 Optical Society of America.

Original language	English
Pages (from-to)	1155-1160
Number of pages	6
Journal	Optics Express
Volume	15
Issue number	3
DOIs	https://doi.org/10.1364/OE.15.001155
Publication status	Published - 5 Feb 2007

Keywords

2ND HARMONIC-GENERATION
FLUX-GROWN KTIOPO4
2ND-HARMONIC GENERATION
BLUE
INDEX
FIELD

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10.1364/OE.15.001155

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title = "Efficient doubling of femtosecond pulses in aperiodically and periodically poled KTP crystals",

abstract = "Efficient doubling of femtosecond pulses in periodically and aperiodically poled KTP crystals is demonstrated by employing the quasi-phasematched frequency conversion technique. Conversion efficiencies as high as 60% were achieved using either aperiodically or periodically poled KTP nonlinear crystals in an extracavity, single-pass configuration using a diode-pumped femtosecond Yb:KYW laser as the pump source. The temporal characteristics of the frequency-doubled pulses as a function of focusing conditions in a {"}thick{"} nonlinear crystal regime have been investigated experimentally and pulses as short as 177 fs have been generated at around 520 nm under strong focusing conditions using a KTP crystal with aperiodic poling. (c) 2007 Optical Society of America.",

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T1 - Efficient doubling of femtosecond pulses in aperiodically and periodically poled KTP crystals

AU - Lagatsky, A. A.

AU - Brown, C. T. A.

AU - Sibbett, W.

AU - Holmgren, S. J.

AU - Canalias, C.

AU - Pasiskevicius, V.

AU - Laurell, F.

AU - Rafailov, E. U.

PY - 2007/2/5

Y1 - 2007/2/5

N2 - Efficient doubling of femtosecond pulses in periodically and aperiodically poled KTP crystals is demonstrated by employing the quasi-phasematched frequency conversion technique. Conversion efficiencies as high as 60% were achieved using either aperiodically or periodically poled KTP nonlinear crystals in an extracavity, single-pass configuration using a diode-pumped femtosecond Yb:KYW laser as the pump source. The temporal characteristics of the frequency-doubled pulses as a function of focusing conditions in a "thick" nonlinear crystal regime have been investigated experimentally and pulses as short as 177 fs have been generated at around 520 nm under strong focusing conditions using a KTP crystal with aperiodic poling. (c) 2007 Optical Society of America.

AB - Efficient doubling of femtosecond pulses in periodically and aperiodically poled KTP crystals is demonstrated by employing the quasi-phasematched frequency conversion technique. Conversion efficiencies as high as 60% were achieved using either aperiodically or periodically poled KTP nonlinear crystals in an extracavity, single-pass configuration using a diode-pumped femtosecond Yb:KYW laser as the pump source. The temporal characteristics of the frequency-doubled pulses as a function of focusing conditions in a "thick" nonlinear crystal regime have been investigated experimentally and pulses as short as 177 fs have been generated at around 520 nm under strong focusing conditions using a KTP crystal with aperiodic poling. (c) 2007 Optical Society of America.

KW - 2ND HARMONIC-GENERATION

KW - FLUX-GROWN KTIOPO4

KW - 2ND-HARMONIC GENERATION

KW - BLUE

KW - INDEX

KW - FIELD

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DO - 10.1364/OE.15.001155

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JF - Optics Express

IS - 3

ER -

Efficient doubling of femtosecond pulses in aperiodically and periodically poled KTP crystals

Abstract

Keywords

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