113 patents
Page 2 of 6
Utility
Fast Single-mode Spectroscopy
28 Sep 23
Aspects of the present disclosure relate generally to systems and methods for use in the implementation and/or operation of quantum information processing (QIP) systems, and more particularly, to a fast single-mode spectroscopy technique that may be used in trapped-ion QIP systems.
Jason Hieu Van NGUYEN, Kevin Antony LANDSMAN, Hermann UYS, Shantanu DEBNATH, Peter Lukas Wilhelm MAUNZ
Filed: 28 Dec 22
Utility
System and method for error correction in quantum computing
26 Sep 23
As system is provided for performing a method of receiving a superposition state defined by a sum of a plurality of addends, wherein each addend of the plurality of addends is a product between a corresponding coefficient of a plurality of coefficients and a corresponding state of a plurality of states encoded with block unary encoding.
Sonika Johri
Filed: 29 Nov 21
Utility
Crosstalk reduction in multi-channel acousto-optic modulators
19 Sep 23
Aspects of the present disclosure describe controlling coherent crosstalk errors in multi-channel acousto-optic modulators (AOMs).
Kristin Marie Beck, Vandiver Chaplin
Filed: 16 Jun 21
Utility
Subspace Leakage Postselection Via Metastable Manifold Shelving
14 Sep 23
Aspects of the present disclosure relate generally to systems and methods for use in the implementation and/or operation of quantum information processing (QIP) systems, including trapped-ion QIP systems.
Ismail Volkan INLEK, Michael Lurie Goldman
Filed: 14 Mar 23
Utility
Atomic ovens based on electric discharge
5 Sep 23
Aspects of the present disclosure describe an atomic oven including a cathode, an anode that comprises a source material, and a power supply that provides a voltage between the cathode and the anode, wherein applying the voltage causes multiple electrons from the cathode to ablate the source material from the anode or locally heat the anode to cause source material to evaporate from the anode and, in both case, to produce a stream of ablated or evaporated particles that passes through an opening in the cathode.
Kai Hudek, Jason Madjdi Amini
Filed: 5 Feb 21
Utility
Quantum Circuit Construction with Simultaneously Entangling Gates In Trapped-ion Quantum Computers
17 Aug 23
A method of performing computation using an ion trap quantum computing system including a classical computer, a system controller, and a quantum processor includes computing, by the classical computer, a circuit that implements a selected set of gate operations, using one or more efficient arbitrary simultaneous entangling (EASE) gates, implementing, by the system controller, the computed circuit on the quantum processor, measuring, by the system controller, population of qubit states in the quantum processor, and outputting, by the classical computer, the measured population of qubit states in the quantum processor.
NIKODEM GRZESIAK, Andrii Maksymov, Pradeep Niroula, Yunseong Nam
Filed: 11 Jul 22
Utility
Efficient cooling of ion chains for quantum computation
15 Aug 23
The disclosure describes various aspects of techniques for cooling a chain of ions to near the combined ground state that does not grow with the number of ions in the chain.
Jason Madjdi Amini
Filed: 29 Mar 22
Utility
Amplitude, frequency, and phase modulated simultaneous entangling gates for trapped-ion quantum computers
1 Aug 23
A method of performing a computation using a quantum computer includes generating a plurality of laser pulses used to be individually applied to each of a plurality of trapped ions that are aligned in a first direction, each of the trapped ions having two frequency-separated states defining a qubit, and applying the generated plurality of laser pulses to the plurality of trapped ions to perform simultaneous pair-wise entangling gate operations on the plurality of trapped ions.
Yunseong Nam, Reinhold Blumel, Nikodem Grzesiak
Filed: 17 May 22
Utility
Simultaneously entangling gates for trapped-ion quantum computers
1 Aug 23
A method of performing simultaneous entangling gate operations in a trapped-ion quantum computer includes selecting a gate duration value and a detuning frequency of pulses to be individually applied to a plurality of participating ions in a chain of trapped ions to simultaneously entangle a plurality of pairs of ions among the plurality of participating ions by one or more predetermined values of entanglement interaction, determining amplitudes of the pulses, based on the selected gate duration value, the selected detuning frequency, and the frequencies of the motional modes of the chain of trapped ions, generating the pulses having the determined amplitudes, and applying the generated pulses to the plurality of participating ions for the selected gate duration value.
Yunseong Nam, Reinhold Blumel, Nikodem Grzesiak
Filed: 17 May 22
Utility
Parallel multi-qubit operations on a universal ion trap quantum computer
25 Jul 23
The disclosure describes various aspects related to enabling effective multi-qubit operations, and more specifically, to techniques for enabling parallel multi-qubit operations on a universal ion trap quantum computer.
Caroline Figgatt, Aaron Ostrander, Norbert M. Linke, Kevin A. Landsman, Daiwei Zhu, Dmitri Maslov, Christopher Monroe
Filed: 23 Sep 21
Utility
Techniques for Controlling Small Angle Mølmer-sørensen Gates and for Handling Asymmetric Spam Errors
13 Jul 23
The disclosure describes various techniques to control of small angle Mølmer-Sørensen (MS) gates and to handle asymmetric errors.
Jwo-Sy CHEN, Neal Pisenti, Yunseong Nam
Filed: 9 Mar 23
Utility
Side-band Cooling Configuration for Trapped Ions
6 Jul 23
A system and method is provided for use in the implementation and/or operation of quantum information processing (QIP) systems, and more particularly, to design or configure an optimal side-band cooling operation for trapped ions.
Shantanu DEBNATH, Jason Hieu Van Nguyen, Peter Lukas Wilhelm Maunz, Kevin Antony Landsman, Hermann Uys
Filed: 29 Dec 22
Utility
Multi-qubit Control with Acousto-optic Modulators
25 May 23
Aspects of the present disclosure describe techniques for controlling quantum states of ions in an ion chain for a quantum operation.
Shantanu DEBNATH, Norbert M. LINKE, Christopher R. MONROE, Caroline FIGGATT
Filed: 19 Oct 22
Utility
Methods and Apparatuses for Raman Addressing of Disjointed Transition Sets In D-manifold
11 May 23
Aspects of the present disclosure may include a method and/or a system for applying, to one or more ions in an ion chain, a first light beam having a first polarization and a second light beam having a second polarization to transfer the one or more ions from a first state of a first manifold to a second state of the first manifold, applying, to the one or more ions, the first light beam and the second light beam to transfer the one or more ions from the second state back to the first state, and applying, to the one or more ions, a third light beam to transition the one or more ions from the first state to a third state in a second manifold.
Michael Lurie GOLDMAN
Filed: 29 Dec 22
Utility
Stabilization of entangling gates for trapped-ion quantum computers
9 May 23
A method of performing a computation using a quantum computer includes generating a first laser pulse and a second laser pulse to cause entanglement interaction between a first trapped ion and a second trapped ion of a plurality of trapped ions that are aligned in a first direction, each of the plurality of trapped ions having two frequency- separated states defining a qubit, and applying the generated first laser pulse to the first trapped ion and the generated second laser pulse to the second trapped ion.
Yunseong Nam, Reinhold Blumel, Nikodem Grzesiak
Filed: 15 Sep 22
Utility
Techniques for controlling small angle Mølmer-Sørensen gates and for handling asymmetric SPAM errors
9 May 23
The disclosure describes various techniques to control of small angle Mølmer-Sørensen (MS) gates and to handle asymmetric errors.
Jwo-Sy Chen, Neal Pisenti, Yunseong Nam
Filed: 9 Dec 19
Utility
Removing a Translation Error Between a Programmed Strength and an Applied Strength of Quantum Gates
27 Apr 23
Aspects of the present disclosure relate generally to systems and methods for use in the implementation and/or operation of quantum information processing (QIP) systems, and more particularly, to techniques for removing or correcting for translation errors between a programmed strength and an applied strength of quantum gates.
Shantanu DEBNATH, Vandiver CHAPLIN, Kristin M. BECK, Melissa JAMESON, Jason Hieu Van NGUYEN
Filed: 20 Oct 22
Utility
Methods and Apparatuses for Doppler Cooling
27 Apr 23
Aspects of the present disclosure may include a method and/or a system for identifying an ion chain having a plurality of trapped ions, selecting at least two non-consecutive trapped ions in the ion chain for implementing a qubit, applying at least a first Raman beam to shuttle at least one neighbor ion of the at least two non-consecutive trapped ions from a ground state to a metastable state, and applying at least a second Raman beam to one or more of the at least two non-consecutive trapped ions, after shuttling the at least one neighbor ion to the metastable state, to transition from a first manifold to a second manifold.
Michael Lurie GOLDMAN
Filed: 11 Oct 22
Utility
Methods and Apparatuses for Stray Field Compensation Normal to a Surface Electrode Ion Trap
27 Apr 23
Aspects of the present disclosure may include a method and/or a system for applying, to one or more surface electrode trapped ions, a first electric field in a first direction, applying, to the one or more surface electrode trapped ions, a plurality of second electric fields in a second direction while applying the first electric field, wherein the second direction is substantially orthogonal to the first direction, measuring, for each of the plurality of second electric fields, a corresponding micromotion signal associated with the application of one or more of the first electric field or one of the plurality of second electric fields, identifying a maximum micromotion signal of a plurality of micromotion signals associated with the plurality of second electric fields, and identifying a compensation field associated with the maximum micromotion signal.
Hermann UYS, Michael Lurie GOLDMAN, Adam Daniel WEST, Jonathan Albert MIZRAHI
Filed: 23 Dec 22
Utility
Correction of Light-shift Effects In Trapped-ion Quantum Gates
27 Apr 23
Aspects of the present disclosure relate generally to systems and methods for use in the implementation and/or operation of quantum information processing (QIP) systems, and more particularly, to the correction of light-shift effects in trapped-ion quantum gates.
Shantanu DEBNATH, Vandiver CHAPLIN
Filed: 20 Oct 22