Integrated optic modulators with high gain bandwidth product
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United States of America Patent
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Oct 9, 2001
Grant Date -
N/A
app pub date -
Feb 11, 1999
filing date -
Feb 18, 1998
priority date (Note) -
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Abstract
The present invention relates to integrated optic modulator devices and methods for their fabrication. Lithium niobate substrates have waveguides fabricated in them for propagating light energy, preferably in Mach Zhender architectures. The waveguides are bordered by adjacent electrode metallizations of low resistivity, such as copper and silver, to provide the devices with high gain bandwidth products to reduce the cost of drive electronics and simplify processing procedures. Gain bandwidth products exceed 4.5.times.10.sup.5.
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