20240054380. PARALLEL SIDEBAND COOLING OF MULTIPLE TRAPPED-ION MOTIONAL MODES WITH DEFLECTORS simplified abstract (IonQ, Inc.)

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PARALLEL SIDEBAND COOLING OF MULTIPLE TRAPPED-ION MOTIONAL MODES WITH DEFLECTORS

Organization Name

IonQ, Inc.

Inventor(s)

Jeremy Matthew Sage of Acton MA (US)

Kai Hudek of Hyattsville MD (US)

PARALLEL SIDEBAND COOLING OF MULTIPLE TRAPPED-ION MOTIONAL MODES WITH DEFLECTORS - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240054380 titled 'PARALLEL SIDEBAND COOLING OF MULTIPLE TRAPPED-ION MOTIONAL MODES WITH DEFLECTORS

Simplified Explanation

The present disclosure describes a method and system for parallel sideband cooling of multiple trapped-ion motional modes with deflectors in quantum information processing systems.

  • Identifying a first group of ions and a second group of ions in an ion chain.
  • Performing sideband cooling by applying a first pair of optical beams to the first group of ions using a first pair of acousto-optic deflectors (AODs).
  • Applying a second pair of optical beams to the second group of ions using a second pair of AODs.
  • Using acousto-optic modulators (AOMs) upstream of each AOD to provide frequency modulation for correct detuning during the sideband cooling operation.
      1. Potential Applications
  • Quantum information processing systems
  • Trapped-ion quantum computing
  • Quantum communication
      1. Problems Solved
  • Efficient cooling of multiple trapped-ion motional modes
  • Precise frequency matching for optimal sideband cooling
  • Improved quantum information processing performance
      1. Benefits
  • Enhanced quantum computing capabilities
  • Increased accuracy in quantum information processing
  • Potential for advancements in quantum communication technologies


Original Abstract Submitted

aspects of the present disclosure relate generally to parallel sideband cooling of multiple trapped-ion motional modes with deflectors (e.g., acousto-optic deflectors or aods) in quantum information processing (qip) systems. a method and a system are described in which for an ion chain a first group of ions (e.g., middle section of the ion chain) and a second group of ions (e.g., outer sections of the ion chain) are identified. the method and system include performing sideband cooling by applying, to the first group of ions, a first pair of optical beams using a first pair of aods, and applying, to the second group of ions, a second pair of optical beams using a second pair of aods. for each aod, an acousto-optic modulator (aom) may be placed upstream to provide frequency modulation for matching frequency differences for correct detuning as part of the sideband cooling operation.

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