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Doubly Geometric Quantum Control
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DOI：10.1103/PRXQuantum.2.030333.png)
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Abstract
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In holonomic quantum computation, quantum gates are performed using driving protocols that trace out closed loops on the Bloch sphere, making them robust to certain pulse errors. However, dephasing noise that is transverse to the drive, which is significant in many qubit platforms, lies outside the family of correctable errors. Here, we present a general procedure that combines two types of geometry-holonomy loops on the Bloch sphere and geometric space curves in three dimensions-to design gates that simultaneously suppress pulse errors and transverse noise errors. We demonstrate this doubly geometric control technique by designing explicit examples of single-qubit and two-qubit dynamically corrected holonomic gates.
Keywords:
BERRY PHASE
SPIN
GATES
IONS
MANIPULATION
DECOHERENCE
COMPUTATION
DYNAMICS
Journal
P
IF:
11
Papers:
919
Citations:
9.0K
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Cited Papers
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