CMOS-compatible, multiplexed source of heralded photon pairs: towards integrated quantum combs

Abstract

We report an integrated photon pair source based on a CMOS-compatible microring resonator that generates multiple, simultaneous, and independent photon pairs at different wavelengths in a frequency comb compatible with fiber communication wavelength division multiplexing channels (200 GHz channel separation) and with a linewidth that is compatible with quantum memories (110 MHz). It operates in a self-locked pump configuration, avoiding the need for active stabilization, making it extremely robust even at very low power levels.

11 pagers, 6 figures

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• Silicon Quantum Photonics
• Towards On-Chip Integrated Optical Quantum Frequency Combs
• Terahertz bandwidth integrated radio frequency spectrum analyzer via nonlinear optics
• An integrated source of spectrally filtered correlated photons for large scale quantum photonic systems
• Frequency comb generation in quadratic nonlinear media
• Strong polarization mode coupling in microresonators
• High-quality photonic entanglement for wavelength-multiplexed quantum communication based on a silicon chip
• Quantum frequency combs and Hong-Ou-Mandel interferometry: the role of spectral phase coherence
• Power-efficient production of photon pairs in a tapered chalcogenide microwire
• Silicon nanophotonics for scalable quantum coherent feedback networks
• New CMOS Compatible Platforms for Integrated Nonlinear Optical Signal Processing
• Hydex Glass and Amorphous Silicon for Integrated Nonlinear Optical Signal Processing