Dr. Andrei Faraon
California Institute of Technology
Dr. Andrei Faraon is the William L. Valentine Professor of Applied Physics and Electrical Engineering at California Institute of Technology. After earning a B.S. degree in physics with honors in 2004 at California Institute of Technology, he received his M.S. in Electrical Engineering and PhD in Applied Physics both from Stanford University in 2009. From 2009 to 2012 he was a postdoctoral fellow at Hewlett Packard Laboratories. During his PhD he was involved in seminal quantum optics experiments using single semiconductor quantum dots coupled to photonic crystal resonators. At HP, he pioneered quantum nano-photonic devices in single crystal diamond coupled to color centers.
Dr. Faraon left HP in 2012 for a faculty position at Caltech where he works on nano-photonic technologies for both classical and quantum applications including: optically addressable quantum bits, optical quantum memories, microwave to optical quantum transduction, metasurfaces and metamaterials for multi-functional imaging applications.
Dr. Faraon is the recipient of the 2018 Adolph Lomb Medal of Optica that recognizes a noteworthy contribution to optics made by a researcher who is still early in his or her career and was elected as Optica Fellow in 2020.
Abstract:
Quantum
science and technology with rare-earth ions and nano-photonics
Rare-earth ions doped in solid state materials are highly versatile optically addressable spin qubits. In this talk I will give an overview of our latest progress in utilizing both single and ensembles of rare-earths to advance quantum science and technology. Single rare earths coupled to nano-photonic resonators are well suited for establishing remote entanglement in optical quantum networks. At the same time, they couple to other spins in the environment which can be harnessed for local quantum storage and processing as needed for quantum repeater nodes, and to explore highly entangled spin states. Ensembles of rare-earth ions can be used to mediate microwave to optical transduction and to explore quantum many body physics like super-radiance, sub-radiance, and novel types of transparency. I will discuss these research directions that we explored mainly with ytterbium 171 in yttrium orthovanadate.
[1] Jonathan M. Kindem, Andrei Ruskuc, John G. Bartholomew, Jake Rochman, Yan Qi Huan, Andrei Faraon, Control and single-shot readout of an ion embedded in a nanophotonic cavity, Nature, 580, 201–204 (2020)
[2] Andrei Ruskuc, Chun-Ju Wu, Jake Rochman, Joonhee Choi, Andrei Faraon, Nuclear spin-wave quantum register for a solid state qubit, Nature, 602, 408–413 (2022)
[3] Craiciu et al, Nanophotonic quantum storage at telecommunications wavelength, Physical Review Applied, 12, 024062, 2019
[4] Zhong et al, Nanophotonic rare-earth quantum memory with optically controlled retrieval, Science, Vol. 357, Issue 6358, pp. 1392-1395 (2017)
[5] John G. Bartholomew, Jake Rochman, Tian Xie, Jonathan M. Kindem, Andrei Ruskuc, Ioana Craiciu, Mi Lei, Andrei Faraon, On-chip coherent microwave-to-optical transduction mediated by ytterbium in YVO4, Nature Communications, 11, Article 3266 (2020)
[6] Mi Lei, Rikuto Fukumori, Jake Rochman, Bihui Zhu, Manuel Endres, Joonhee Choi, Andrei Faraon, Many-body cavity quantum electrodynamics with driven inhomogeneous emitters, Nature volume 617, pages271–276 (2023)
[7] Jake Rochman, Tian Xie, John G. Bartholomew, K. C. Schwab, Andrei Faraon, Microwave-to-optical transduction with erbium ions coupled to planar photonic and superconducting resonators , (2023), Nature Communications, 14, Article 1153 (2023)
[8] Andrei Ruskuc, Chun-Ju Wu, Emanuel Green, Sophie L. N. Hermans, Joonhee Choi, Andrei Faraon, Scalable Multipartite Entanglement of Remote Rare-earth Ion Qubits , (2024),
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