Electric field induced second harmonic generation in PLZT

Mukherjee, Amrita; Brueck, S. R. J.; Wu, A.Y.

doi:10.1016/0030-4018(90)90287-4

Cited by 15 publications

(5 citation statements)

References 15 publications

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“…The structural 9, 10 , dielectric 11,12,13 , electro-mechanical 14,15 and optical 16,17 properties of PLZT have been widely studied in recent years, and many peculiarities 18,19 were observed in their behavior. The electro-optic modulation 20,21,22,23 , as well as the second harmonic generation 24,25 of light in PLZT have been previously studied for use in lasers, spatial light modulators and other optical applications. Other papers 26,27 have been published on the nonlinear harmonic dielectric behavior of PLZT.…”

Section: N ≈mentioning

confidence: 99%

Harmonic electro-optic modulation using relaxor ferroelectric PLZT ceramics

Sabat

2012

SPIE Proceedings

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The light transmission through a Lead Lanthanum Zirconate Titanate (PLZT) ceramic film, having a relaxor ferroelectric composition of (9.5/65/35) was modulated at both the first and second harmonic frequencies to that of an applied field. Large changes were observed in the optical path difference within the material due to a combination of the electrostrictive and quadratic electro-optic effects. A theoretical model was developed to obtain harmonic expressions for the Fabry-Pérot transmitted irradiance, and it was successfully fitted to the experimental results.

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Section: N ≈mentioning

confidence: 99%

Harmonic electro-optic modulation using relaxor ferroelectric PLZT ceramics

Sabat

2012

SPIE Proceedings

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“…Ferroelectric materials have unique optical properties such as the electrooptic effect and nonlinear optical effect, and have already been applied in stand-alone optical devices such as an optical shutter, [1][2][3][4] a second-harmonic generator [5][6][7] and an optical associative memory. [8][9][10] If ferroelectric materials were embedded with semiconductor integrated circuits, novel optical devices such as a spatial light modulator of the electrooptic type (EO-SLM) 11) and a tunable photonic crystal 12) would be realized.…”

Section: Introductionmentioning

confidence: 99%

Electrooptic and Piezoelectric Properties of (Pb,La)(Zr,Ti)O₃ Films with Various Zr/Ti Ratios

Shima

Iijima

Funakubo

et al. 2008

jjap

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A systematic investigation of the electrooptic properties of (Pb,La)(Zr,Ti)O 3 (PLZT) films was carried out. 700-nm-thick polycrystalline PLZT films with 2 mol % La and various Zr/Ti ratios were formed on Pt/Ti/SiO 2 /Si substrates, and their reflectance spectra were measured. Zr/Ti ratio significantly affected the surface morphology of the films, and PLZT films with what Ti=ðZr þ TiÞ ratios ranging from 40 to 70% showed less reflectance light loss that because of their smooth surface. The maximum resonant wavelength shift was attained at a Ti=ðZr þ TiÞ ratio of 40%. These results suggest that the PLZT film with a Ti=ðZr þ TiÞ ratio of 40% is optimum for application in optical devices such as a spatial light modulator (SLM). The piezoelectric properties of the PLZT films were also evaluated because their resonant wavelength shift was caused by changes in not only refractive index but also film thickness. The piezoelectric displacement showed a maximum Ti=ðZr þ TiÞ ratio of 10% and monotonically decreased with increasing Ti=ðZr þ TiÞ ratio in our PLZT films. The exact Pockels coefficient of the PLZT(2/60/40) film was estimated to be 104 pm/V at 600 nm by subtracting the effect of the change in film thickness from the resonant wavelength shift.

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“…Ferroelectric materials have unique optical properties such as an electrooptic effect, nonlinear optic property and photorefractive effect, and have been applied to stand-alone optical devices, such as an optical shutter[! ], a second harmonic generator [2] and an optical associative memory [3]. These devices are already realized, and not new.…”

Section: Introductionmentioning

confidence: 99%

La Content Dependence of Piezoelectric Properties of Polycrystalline (Pb, La)(Zr0.65 , Ti0.35)O3 Films

Shima¹,

Naganuma²,

Iijima³

et al. 2007

Trans. Mat. Res. Soc. Japan

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The systematic investigation on the piezoelectric properties of lanthanum-substituted lead zirconate titanate (PLZT) films was carried out. Polycrystalline PLZT films with La-contents of 0, 3, 6, 9 and 12 mol% were formed on Pt/Ti/Si0 2 /Si substrates at 700°C by chemical solution deposition (CSD). 111 preferred oriented PLZT films were directly grown on the substrates, and PZT seeding layers were introduced onto substrates for randomly oriented PLZT films. The longitudinal displacement curves were measured with D-E hysteresis loops simultaneously at ±300 kV/cm by AFM probing system. The maximum longitudinal displacements were attained at La content of 6 mol% in both orientations. The change in optical length induced by the longitudinal displacement was estimated to be from 0.2 to 0.4%. On the other hand, the shift in resonant wavelength induced by applying DC bias voltage is typically to be 0.5 to 1.0% in PLZT films. Therefore, we concluded that the influence of piezoelectric displacements on electrooptic effect is not small.

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Electric field induced second harmonic generation in PLZT

Cited by 15 publications

References 15 publications

Harmonic electro-optic modulation using relaxor ferroelectric PLZT ceramics

Harmonic electro-optic modulation using relaxor ferroelectric PLZT ceramics

Electrooptic and Piezoelectric Properties of (Pb,La)(Zr,Ti)O₃ Films with Various Zr/Ti Ratios

La Content Dependence of Piezoelectric Properties of Polycrystalline (Pb, La)(Zr0.65 , Ti0.35)O3 Films

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Electric field induced second harmonic generation in PLZT

Cited by 15 publications

References 15 publications

Harmonic electro-optic modulation using relaxor ferroelectric PLZT ceramics

Harmonic electro-optic modulation using relaxor ferroelectric PLZT ceramics

Electrooptic and Piezoelectric Properties of (Pb,La)(Zr,Ti)O3 Films with Various Zr/Ti Ratios

La Content Dependence of Piezoelectric Properties of Polycrystalline (Pb, La)(Zr0.65 , Ti0.35)O3 Films

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Electrooptic and Piezoelectric Properties of (Pb,La)(Zr,Ti)O₃ Films with Various Zr/Ti Ratios