Experimental demonstration shows squeezed vacuum states in thin-film silicon nitride chips, indicating potential advances in photonics.
We present an experimental demonstration of the generation of two-mode squeezed vacuum states on a normal-dispersion thin-film silicon nitride photonic integrated chip, achieving a maximum squeezing level of 1.4 dB and an anti-squeezing level of 8.2 dB.
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Liu et al. (2025) studied this question.
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