Paper
26 May 1999 Domain patterning in lithium niobate using spontaneous backswitching
Robert G. Batchko, Gregory D. Miller, Vladimir Ya. Shur, Evgenii L. Rumyantsev, Martin M. Fejer, Robert L. Byer
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Abstract
In nonlinear optics applications employing quasi- phasematching, short pitch domain gratings are generally required for the generation of visible and ultraviolet light. The conventional electric-field poling method enables the fabrication of periodically-poled lithium niobate (PPLN) down to generally 6 micron-pitch domains in 0.5-mm-thick substrates. While such PPLN is useful for first-order second harmonic generation (SHG) of green wavelengths, shorter periods for blue and UV SHG have been difficult to obtain in 0.5-mm-thick substrates. Here we describe an enhanced electric-field poling technique for ferroelectric materials which utilizes spontaneous flip-back towards high-resolution and high-yield domain patterning.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Robert G. Batchko, Gregory D. Miller, Vladimir Ya. Shur, Evgenii L. Rumyantsev, Martin M. Fejer, and Robert L. Byer "Domain patterning in lithium niobate using spontaneous backswitching", Proc. SPIE 3610, Laser Material Crystal Growth and Nonlinear Materials and Devices, (26 May 1999); https://doi.org/10.1117/12.349241
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Cited by 5 scholarly publications.
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KEYWORDS
Electrodes

Lithium niobate

Second-harmonic generation

Optical lithography

Semiconducting wafers

Spatial frequencies

Ultraviolet radiation

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