Efficient type I blue second-harmonic generation in periodically segmented KTiOPO4 waveguides
Эффективная синхронная генерация второй гармоники в синей области типа I в периодически сегментированных волноводах KTiOPO4
1990-11-12
SCID: 54.1/5txeh46e
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KTiOPO4 (KTP)blue second-harmonic generationconversion efficiency >50%/W cm^2ferroelectric domain reversaloutput wavelength 0.38–0.48 μmperiodically segmented channel ion-exchanged waveguidestype I phase-matched second-harmonic generation
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Abstract (AI)
We report type I phase-matched blue second-harmonic generation from periodically segmented channel ion-exchanged waveguides in KTiOPO4 with output wavelengths from 0.38 to 0.48 μm and efficiencies exceeding 50%/W cm2. Evidence is presented suggesting that these efficiencies result from ferroelectric domain reversals induced by waveguide fabrication. Waveguide structure, wavelength, and output power characteristics are presented.
Key Findings
1
Conversion efficiencies exceed 50%/W·cm^2 in these waveguides.
2
Evidence indicates high efficiencies arise from ferroelectric domain reversals induced during waveguide fabrication.
3
Generated second-harmonic output wavelengths span 0.38 to 0.48 μm (blue region).
4
Type I phase-matched blue second-harmonic generation achieved in periodically segmented channel ion-exchanged KTiOPO4 waveguides.
5
Waveguide structure, wavelength dependence, and output power characteristics are characterized and presented.
Research Object
Periodically segmented channel ion-exchanged KTiOPO4 waveguides
Research Subject
Type I blue second-harmonic generation efficiency and output characteristics (wavelength 0.38–0.48 μm, >50%/W·cm2) and its relation to ferroelectric domain reversals induced by waveguide fabrication
Publication Details
Publication Date
1990-11-12
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