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On-Chip Quantum Interference from a Single Silicon Ring-Resonator Source
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DOI：10.1103/PhysRevApplied.4.021001.png)
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Abstract
En 中文
Here we demonstrate quantum interference of photons on a silicon chip produced from a single-ringresonator photon source. The source is seamlessly integrated with a Mach-Zehnder interferometer, which path entangles degenerate biphotons produced via spontaneous four-wave mixing in the silicon ring resonator. The resulting entangled N00N state is controlled by varying the relative phase of the integrated Mach-Zehnder interferometer, resulting in high two-photon interference visibilities of V similar to 96%. Furthermore, we show that the interference can be produced using pump wavelengths tuned to all of the ring resonances accessible with our tunable lasers (C + L band). This work is a key demonstration towards the simplified integration of multiple photon sources and quantum circuits together on a monolithic chip, in turn, enabling quantum-information chips with much greater complexity and functionality.
Keywords:
PHOTON PAIR GENERATION
WAVE-GUIDE
LOW-POWER
INTEGRATION
DETECTORS
COMPACT
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