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Monolithic optically-driven high frequency power amplifier

Image Number 5 for United States Patent #8391662.

A power amplifying apparatus includes a first gallium arsenide substrate which may include a photonic power supply laser diode, a diamond substrate formed over the first gallium arsenide substrate, a silicon substrate formed over the diamond substrate, a second gallium arsenide substrate, a gallium nitride switching transistor and a photonic power supply photo diode array.

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