Logic gates in excitonic single quantum dot qubits

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SUMMARY

The discussion focuses on the implementation of universal logic operations, specifically phase rotation, CNOT, and Hadamard gates, in single-dot excitonic qubits. While phase rotations can be easily achieved using sinusoidal electric fields, the literature lacks information on the implementation of CNOT and Hadamard gates in this qubit type. The conversation highlights the scarcity of research on excitonic qubits compared to spin state and double-dot qubits, raising questions about the feasibility of these logic gates in single-dot excitonic systems. Additionally, the modeling of excitonic qubits using the Bloch Sphere for Y and Z rotations is mentioned, indicating a potential area for further exploration.

PREREQUISITES
  • Understanding of quantum computing concepts, particularly qubit types
  • Familiarity with excitonic qubits and their properties
  • Knowledge of universal quantum logic gates (CNOT, Hadamard, phase rotation)
  • Basic principles of Bloch Sphere representation in quantum mechanics
NEXT STEPS
  • Research the implementation of CNOT gates in single-dot excitonic qubits
  • Explore the theoretical framework for Hadamard gates in excitonic systems
  • Study the effects of sinusoidal electric fields on phase rotations in quantum dots
  • Investigate the application of Bloch Sphere modeling to excitonic qubits for Y and Z rotations
USEFUL FOR

Quantum physicists, researchers in quantum computing, and engineers focusing on qubit technology, particularly those interested in excitonic qubits and their potential for universal logic operations.

scallen
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I am searching for physical realizations of universal logic operations (phase rotation, CNOT, Hadamard) in single-dot excitionic qubits. Phase rotations are easy to implement with sinusoidal electric fields but my literature search for CNOT and Hadamard gates runs dry. I can find them in spin state qubits or excitonic double-dot qubits. It seems like excitons are the readheaded step-child in the world of quantum computing theses days. Have these logic gates ever been implemented in this particular type of qubit?
 
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...Or if we model it as a Bloch Sphere have there been Y&Z rotations where the phase gate is a rotation in X?
 

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