Kevin A. Gilmore

National Institute of Standards and Technology

Analytical chemistryQuantum entanglementPhysicsElectromagnetically induced transparencyPenning trapIonTransverse planeQuantum simulatorQuantum limitAtomic physicsMaterials scienceAlkali metalDrumheadCondensed matter physicsQuantum electrodynamicsMolecular physicsElectric fieldGround stateSpin-½QuantumQuantum sensor

29Publications

8H-index

232Citations

Publications 34

Newest

#8Aaron HankinH-Index: 4

A new class of protocols called mirror benchmarking was recently proposed to measure the system-level performance of quantum computers. These protocols involve circuits with random sequences of gates followed by mirroring, that is, inverting each gate in the sequence. We give a simple proof that mirror benchmarking leads to an exponential decay of the survival probability with sequence length, under the uniform noise assumption, provided the twirling group forms a 2-design. The decay rate is det...

Quantum-enhanced sensing of displacements and electric fields with two-dimensional trapped-ion crystals.

#1Kevin A. GilmoreH-Index: 8

#2M. Affolter (NIST: National Institute of Standards and Technology)H-Index: 6

Last. John J. Bollinger (NIST: National Institute of Standards and Technology)H-Index: 56

view all 7 authors...

Fully controllable ultracold atomic systems are creating opportunities for quantum sensing, yet demonstrating a quantum advantage in useful applications by harnessing entanglement remains a challenging task. Here, we realize a many-body quantum-enhanced sensor to detect displacements and electric fields using a crystal of ~150 trapped ions. The center-of-mass vibrational mode of the crystal serves as a high-Q mechanical oscillator, and the collective electronic spin serves as the measurement dev...

#4Daniel GreshH-Index: 5

#5Aaron HankinH-Index: 4

Correcting errors in real time is essential for reliable large-scale quantum computations. Realizing this high-level function requires a system capable of several low-level primitives, including single-qubit and two-qubit operations, mid-circuit measurements of subsets of qubits, real-time processing of measurement outcomes, and the ability to condition subsequent gate operations on those measurements. In this work, we use a ten qubit QCCD trapped-ion quantum computer to encode a single logical ...

#1Diego BarberenaH-Index: 6

#2Kevin A. GilmoreH-Index: 8

Last. John J. BollingerH-Index: 56

view all 7 authors...

#1M. AffolterH-Index: 6

#2Kevin A. GilmoreH-Index: 8

Last. John J. BollingerH-Index: 56

view all 7 authors...

#1Kevin A. GilmoreH-Index: 8

#2M. AffolterH-Index: 6

Last. John J. BollingerH-Index: 56

view all 7 authors...

Developing the isolation and control of ultracold atomic systems to the level of single quanta has led to significant advances in quantum sensing, yet demonstrating a quantum advantage in real world applications by harnessing entanglement remains a core task. Here, we realize a many-body quantum-enhanced sensor to detect weak displacements and electric fields using a large crystal of \sim 150trapped ions. The center of mass vibrational mode of the crystal serves as high-Q mechanical oscillato...

#1Kevin A. GilmoreH-Index: 8

#2M. AffolterH-Index: 6

Last. John J. BollingerH-Index: 56

view all 9 authors...

#1M. Affolter (NIST: National Institute of Standards and Technology)H-Index: 6

#2Kevin A. GilmoreH-Index: 8

Last. John J. BollingerH-Index: 56

view all 4 authors...

Trapped ions are sensitive detectors of weak forces and electric fields that excite ion motion. Here measurements of the center-of-mass motion of a trapped-ion crystal that are phase-coherent with an applied weak external force are reported. These experiments are conducted far from the trap motional frequency on a two-dimensional trapped-ion crystal of approximately 100 ions, and determine the fundamental measurement imprecision of our protocol free from noise associated with the center-of-mass ...

Broadening of the drumhead-mode spectrum due to in-plane thermal fluctuations of two-dimensional trapped ion crystals in a Penning trap

#8John R. Bollinger (NIST: National Institute of Standards and Technology)H-Index: 4

The authors theoretically and numerically investigate the in-plane motion of two-dimensional ion crystals stored in Penning traps. They find that the thermal fluctuations in the in-plane positions of ions, described by normal modes whose potential energy is several hundred times larger than their kinetic energy, strongly contribute to the spectral broadening of the transverse drumhead motion.

#1M. AffolterH-Index: 6

#2Kevin A. GilmoreH-Index: 8

Last. Murray HollandH-Index: 44

view all 8 authors...

Close Researchers

John J. Bollinger

H-index : 56

Elena Jordan

H-index : 5

E. Jordan

H-index : 11

Justin G. Bohnet

H-index : 17

Arghavan Safavi-Naini

H-index : 19

Murray Holland

H-index : 44

Elena Jordan

H-index : 3

Athreya Shankar

H-index : 7

M. Affolter

H-index : 6

Jeffrey Cohn

H-index : 4

Robert J. Lewis-Swan

H-index : 17

Ana Maria Rey

H-index : 62

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