Sample interview questions: Discuss any experience you have with experimental techniques for generating and manipulating quantum superpositions.
Sample answer:
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Conducted experiments to generate and manipulate quantum superpositions using various techniques, such as:
- Linear optics: Employed interferometers and beamsplitters to create and manipulate entangled photon pairs, demonstrating quantum interference and violations of Bell’s inequalities.
- Cavity quantum electrodynamics (QED): Utilized high-finesse optical cavities to couple photons to atoms or superconducting circuits, enabling the controlled generation and manipulation of quantum superpositions.
- Ion traps: Trapped and manipulated individual ions using electric and magnetic fields, implementing quantum gates and demonstrating quantum entanglement between multiple ions.
- Superconducting circuits: Fabricated and characterized superconducting qubits, investigating their coherence properties and utilizing them to perform quantum operations and create quantum superpositions.
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Experience with advanced experimental techniques:
- Developed expertise in cryogenic techniques, including the operation and maintenance of cryostats and dilution refrigerators, to achieve ultra-low temperatures necessary for quantum experiments.
- Proficient in laser spectroscopy, including techniques such as cavity ring-down spectroscopy and frequency-domain spectroscopy, for precise characterization of atomic and molecular systems.
- Skilled in quantum state engineering, implementing techniques like stimulated Raman adiabatic passa… Read full answer