2002
DOI: 10.1364/josab.19.000280
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Electro-optic modification of second-harmonic phase-matching spectra in segmented periodically poled LiNbO_3

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Cited by 12 publications
(5 citation statements)
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“…As QPM materials are almost always fabricated using ferroelectric materials such as LiNbO 3 and LiTaO 3 , the refractive-index and then the quasi-phase-matching condition can be altered through the electro-optic (EO) effect to achieve the practical purpose [13][14][15]. For example, the technique has been used to controlling the efficiencies of frequency-doubling and frequency tripling in a QPM coupled parametric processes [16,17].…”
Section: Introductionmentioning
confidence: 99%
“…As QPM materials are almost always fabricated using ferroelectric materials such as LiNbO 3 and LiTaO 3 , the refractive-index and then the quasi-phase-matching condition can be altered through the electro-optic (EO) effect to achieve the practical purpose [13][14][15]. For example, the technique has been used to controlling the efficiencies of frequency-doubling and frequency tripling in a QPM coupled parametric processes [16,17].…”
Section: Introductionmentioning
confidence: 99%
“…In general, there are two categories of electrodes used in electro-optic controls: continual electrodes and periodic electrodes. Using continual electrodes requires asymmetric PPLN, and its tuning efficiency is found to be proportional to 2D − 1 (D is the duty cycle factor) [6][7][8]. For the case of periodic electrodes, optimal first-order quasi-phase-matched (QPM) efficiency is maintained (D = 0.5), but the tuning efficiency is also not fully utilized since the effective length of electro-optic control is reduced [9,10].…”
Section: Introductionmentioning
confidence: 99%
“…Electro-Optical (EO) effect is attractive for short pulse conversion in PPLN due to its capability to control locally the Quasi-PhaseMatching (QPM) condition and hence the shape of the SH spectrum [1]. Until now, EO tuning of the QPM has been mainly demonstrated for bulk crystals [1,2].…”
Section: Introductionmentioning
confidence: 99%
“…Until now, EO tuning of the QPM has been mainly demonstrated for bulk crystals [1,2]. Because the gap between the electrodes is limited by the wafer thickness, the voltage necessary to operate the devices is typically in excess of 1kV.…”
Section: Introductionmentioning
confidence: 99%
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