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Search Publications by: James van Meter (Assoc)

Displaying 1 - 2 of 2

Broadband pulsed quadrature measurements with calorimeters

December 8, 2025

Author(s)

Ezad Shojaee, James R. van Meter, Karl Mayer, Scott Glancy, Emanuel Knill

A general one-dimensional quantum optical mode is described by a shape in the time or frequency domain. A fundamental problem is to measure a quadrature operator of such a mode. If the shape is narrow in frequency this can be done by pulsed homodyne

Approximate exchange-only entangling gates for the three-spin-1/2 decoherence-free subsystem

April 23, 2019

Author(s)

Emanuel H. Knill, James R. van Meter

The three-spin-1/2 decoherence-free subsystem defines a logical qubit protected from collective noise and supports exchange-only universal gates. Such logical qubits are well-suited for implementation with electrically-defined quantum dots. Exact exchange

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