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Fundamental charge noise in electro-optic photonic integrated circuits

Submitted by wwwadm on

Nature Physics, Published online: 15 January 2025; doi:10.1038/s41567-024-02739-y

Thermal agitation of charge carriers, known as Johnson noise, is the dominant noise in electronic circuits. Now it has also been observed as a key noise source in integrated electro-optic photonic circuits, posing challenges for future applications.