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Analyze coplanar waveguide traveling-wave electrodes using spectral-domain techniques to predict and optimize the performance of z-cut Ti:LiNbO3 Mach-Zehnder optical modulators.

January 1, 1991IEEE Transactions on Microwave Theory and Techniques

Spectral-domain analysis of coplanar waveguide traveling-wave electrodes and their applications to Ti:LiNbO/sub 3/ Mach-Zehnder optical modulators

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Authors

KKKenji KawanoRitsumeikan University TKT. KitohNTT (Japan)HJH. JumonjiNTT (Japan)

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Implication

Electromagnetic analysis demonstrates improved modulation efficiency via thicker buffer layers in Ti:LiNbO3 optical modulators, highlighting pathways to high-speed optical devices.

Key Points

Analyze coplanar waveguide traveling-wave electrodes using spectral-domain techniques to predict and optimize the performance of z-cut Ti:LiNbO3 Mach-Zehnder optical modulators.
Conducted hybrid-mode and quasi-TEM analyses using a spectral-domain approach to calculate microwave effective index, characteristic impedance, and conductor loss.
Fabricated and evaluated z-cut Ti:LiNbO3 optical modulators with optimized buffer layer designs operating at a 1.52 μm wavelength.
Demonstrated that utilizing a thicker buffer layer substantially improves optical modulator characteristics by optimizing microwave propagation parameters.
Achieved high-speed operation with low driving power at 1.52 μm, showing close agreement between spectral-domain calculations and experimental measurements.

Cite This Study

Kawano et al. (1991) studied this question.

synapsesocial.com/papers/6a9563dca15fb1352cb2f52b https://doi.org/10.1109/22.83835

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Implication

Electromagnetic analysis demonstrates improved modulation efficiency via thicker buffer layers in Ti:LiNbO3 optical modulators, highlighting pathways to high-speed optical devices.

Spectral-domain analysis of coplanar waveguide traveling-wave electrodes and their applications to Ti:LiNbO/sub 3/ Mach-Zehnder optical modulators

Discussion

Member takes

Implication

Key Points

Cite This Study

Spectral-domain analysis of coplanar waveguide traveling-wave electrodes and their applications to Ti:LiNbO/sub 3/ Mach-Zehnder optical modulators

Discussion

Member takes

Implication

Key Points

Cite This Study

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