We develop quantum error correction protocols and design fault-tolerant quantum computing architectures

• Quantum error correction codes (Surface, Color, qLDPC ...) and protocols

• Bosonic quantum error correction codes (Cat and GKP ...) and protocols

• Fault-tolerant quantum computing architectures (Circuit-, measurement- and fusion-based quantum computing)

• Fault-tolerance thresholds and resource costs

• Hybrid quantum computing protocols and architecture

• Photonic, ion-trap, atomic, superconducting, NV-center and their hybrid platforms

We develop various techniques of error suppression and error mitigation for quantum computing, quantum communication, quantum simulation and quantum sensing 

• Quantum error suppression (Dynamical decoupling and its advanced schemes, Randomized compiling, noise reversing operation...)

• Quantum error mitigation (Extrapolation, probabilistic cancellation, virtual distillation...)

• Methods of quantum noise diagnostics and characterizations  

• Mitigating trotter errors in digital quantum simulations

• Error mitigation for quantum sensing

We develop various protocols for quantum network and distributed quantum computing 

• Quantum repeaters with quantum error correction

• Noise robust and correctable entanglement swapping and quantum teleportation

• Distributed Bell-state measurement

• Hybrid quantum network and protocols 

• Distributed quantum computing protocols and algorithms

• Encoded and decentralized quantum network protocols

We study various topics of fuandmanetal quantum information science including quantum measurement theory, nonlocality, quantum algorithms and foundations of quantum mechanics

• Information-theoretic studies of quantum measurement 

• Quantum non-locality and entanglement theory (standard and network)

• Learning quantum states, channels (classical shadow, entanglement witness)

• Quantum algorithms for quantum advantages