A compact silicon photonic quantum coherent receiver with deterministic phase control

Ali Hajimiri, Volkan Gurses, Samantha I. Davis, Esme Knabe, Raju Valivarthi, Maria Spiropulu

We demonstrate a quantum-limited silicon photonic coherent receiver with 26.0 dB shot noise clearance, 34.6 μW knee power, and 0.00200 mm2 chip area. We measure squeezed vacuum with the integrated receiver and demonstrate phase-locking to the squeezed quadrature.