Quantum control of bosonic modes with superconducting circuits

Area of Science:

• Quantum Information Science
• Quantum Computing
• Superconducting Circuits

Background:

• Bosonic modes are essential for quantum technologies like communication and transduction.
• Circuit quantum electrodynamics (circuit QED) is a leading architecture for quantum information processing.
• Encoding quantum information in superconducting cavity modes offers long coherence times.

Purpose of the Study:

• To review recent advances in universal control of single bosonic modes using superconducting circuits.
• To address the challenge of introducing nonlinear control beyond Gaussian operations.
• To discuss methods for entangling different bosonic modes.

Main Methods:

• Review of unitary control techniques.
• Exploration of quantum feedback control strategies.
• Analysis of driven-dissipative and holonomic dissipative control methods.

Main Results:

• Demonstration of universal control for bosonic modes in superconducting circuits.
• Methods to overcome limitations of standard Gaussian operations.
• Techniques for entangling multiple bosonic modes.

Conclusions:

• Advances in bosonic mode control are vital for developing robust quantum information processing.
• Superconducting circuits provide a promising platform for implementing these advanced control techniques.
• Future research directions include further exploration of entangling strategies and minimizing decoherence.