Journal ArticleDOI
Experimental study of a ZnO modulator using guided wave resonance
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In this article, a novel type of electro-optic (EO) modulator using guided wave resonance in a planar zinc-oxide waveguide is presented, and experimental results concerning the determination of the coefficients of the EO tensor of the ZnO layer.Abstract:
A novel type of electro‐optic (EO) modulator using guided wave resonance in a planar zinc‐oxide waveguide is presented. The device is studied as a bulk EO modulator. We report experimental results concerning the determination of the coefficients of the EO tensor of the ZnO layer.read more
Citations
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Journal ArticleDOI
Ultraviolet detectors based on epitaxial ZnO films grown by MOVCD
TL;DR: In this article, high-quality zinc oxide (ZnO) films were epitaxially grown on R-plane sapphire substrates by metalorganic chemical vapor deposition at temperatures in the range of 350°C to 600°C.
Journal ArticleDOI
Characterization and optimization of zinc oxide films by r.f. magnetron sputtering
Kalpathy B. Sundaram,A. Khan +1 more
TL;DR: In this article, zinc oxide films were deposited by a rf magnetron sputtering using a zinc oxide target and characterized as a function of deposition temperature, pressure, argon-oxygen gas flow ratio, target-substrate distance.
Journal ArticleDOI
The influence of film crystallinity on the coupling efficiency of ZnO optical modulator waveguides
M H Koch,P Y Timbrell,R N Lamb +2 more
TL;DR: In this article, the coupling efficiency of sputtered, c-axis-orientated zinc oxide (ZnO) films in guided wave resonance optical modulators have been measured and compared with four differently prepared ZnO waveguides/modulators.
Journal ArticleDOI
Electro‐optical effect in aluminum nitride waveguides
TL;DR: In this paper, the authors fabricated thin optical layers in aluminum nitride by magnetron sputtering and characterized the layers and determined the electro-optic coefficients of AlN: r13 = 0.67 pm/V and r33 = −0.59 pm /V.
Journal ArticleDOI
Structure-composition-property dependence in reactive magnetron sputtered ZnO thin films
TL;DR: In this article, thin films of zinc oxide (ZnO) were prepared by dc reactive magnetron sputtering on glass substrates at various oxygen partial pressures in the range 1 x 10(-4)-6 x 10 (-3) mbar and substrate temperatures in range 548-723 K. The films were polycrystalline with wurtzite structure.
References
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Journal ArticleDOI
Electrooptic light modulators
Ivan P. Kaminow,E. H. Turner +1 more
TL;DR: The field of electrooptic light modulation by means of the Pockels and Kerr effects in crystals is summarized in this article with particular attention to communications applications using the optical maser.
Journal ArticleDOI
Fast Pockels light modulator using guided wave resonance
TL;DR: A new type of optical modulator is proposed in which a guided wave is resonantly excited by a grating coupler that acts either as a bulk EO modulator or an EO waveguide modulator.
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