Integrated superconducting optoelectronics for single photon quantum sensing

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Technology allowing the combination of photonic and electronic devices in an integrated circuit or module to take advantage of quantum phenomena is the key to providing a promising platform for practical realization of integrated quantum optoelectronic systems. Superconductivity as a macroscopic quantum phenomenon demonstrates the exploitation of quantum effects such as quantum tunneling, quantum interference, quantum phase transition and quantum photoresponse in electronic and optoelectronic devices. SIS (Superconductor-Insulator-Superconductor) junctions, SQUIDs (Superconducting Quantum Interference Devices), superconducting bolometers and superconducting single-photon optical detectors are paramount examples of such devices. Combining these quantum characteristics with their unique electromagnetic behavior (ultra-low electrical resistivity and magnetic flux insulation and quantization), superconducting electronic and optoelectronic devices can be employed for ultra-low-noise/ultra-low-power and ultra-fast/high-frequency electronic and optoelectronic functions such as detection, mixing, amplification and switching. Superconducting quantum electronic and optoelectronic devices are now in high demand for applications in quantum sensing, quantum metrology, on-chip circuit cavity quantum electrodynamics and quantum information processors.The general research proposal will involve the utilization of integrated superconducting passive and active optoelectronic devices for ultra-sensitive quantum photonic sensing. The research program will involve theoretical analyses, development of design methodologies, and computational simulation with recommendations for fabrication layout and methods of performance evaluation.