Researchers control sound waves on a computer chip in world first

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Researchers control sound waves on a computer chip in world first
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Welcome to a new world of computer language encoded via sound.

"In this work, we showed we can control acoustic waves on an integrated lithium niobate platform, bringing us one step closer to an acoustic integrated circuit."Loncar and his colleagues used lithium niobate to build an on-chip, electro-acoustic modulator that controls the acoustic waves on the chip. The modulator applies an electric field to control the phase, amplitude, and frequency of the sound waves.

"Previous acoustic devices were passive but now we have the electrical modulation to actively tune the acoustic devices," he continued,"which enables a lot of functionalities in the future development of microwave signal processing using these types of acoustic devices."

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