California Institute of Technology

Alexandre Cooper-Roy

Manuel Endres

Jason R Williams

Adam L Shaw

Ivaylo S Madjarov

Vladimir Schkolnik

Jacob P Covey

Joonhee Choi

Tai Hyun Yoon

An apparatus useful for creating and measuring states of an entangled system, comprising a pair of interacting multi-level systems, each of systems comprising a state |g>, a state |r>, and state |r*>. One or more first electromagnetic fields excite a first transition between the ground state |g> and the state |r> to create an entangled system. One or more second electromagnetic fields are tuned between the state |r> and the intermediate state |r*> so that any population of the systems in |r*> are dark to a subsequent detection of a population in the systems in |g>, providing a means to distinguish the entangled system in the state |g> and the entangled system in the state |r>. In one or more examples, the systems comprise neutral Rydberg atoms.

Controlling, detecting and entangling alkaline-earth rydberg atoms in tweezer arrays

An apparatus useful for creating and measuring states of an entangled system, comprising a pair of interacting multi-level systems, each of systems comprising a state |g&#x3e;; a state |r&#x3e;, and state |r*&#x3e;. One or more first electromagnetic fields excite a first transition between the ground state |g&#x3e; and the state |r&#x3e; to create an entangled system. One or more second electromagnetic fields are tuned between the state |r&#x3e; and the intermediate state |r*&#x3e; so that any population of the systems in |r*&#x3e; are dark to a subsequent detection of a population in the systems in |g&#x3e;, providing a means to distinguish the entangled system in the state |g&#x3e; and the entangled system in the state |r&#x3e;. In one or more examples, the systems comprise neutral Rydberg atoms.

Controlling, detecting and entangling alkaline-earth Rydberg atoms in tweezer arrays

An apparatus for individually trapping atoms, individually imaging the atoms, and individually cooling the atoms to prevent loss of the atoms from the trap caused by the imaging. The apparatus can be implemented in various quantum computing, sensing, and metrology applications (e.g., in an atomic clock).

Controlling alkaline earth atoms for quantum computing and metrology applications

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Downey, CA, United States of America

Alexandre Cooper-Roy