Related Experiment Videos
Decoherence Control of Nitrogen-Vacancy Centers
Chao Lei1,2,3, Shijie Peng1, Chenyong Ju1,2
1Hefei National Laboratory for Physics Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, 230026, China.
Scientific Reports
|September 22, 2017
Summary
Researchers developed new pulse sequences to control decoherence in Nitrogen-Vacancy (NV) centers. This method aids in simulating open quantum systems, crucial for quantum biology and information processing.
Area of Science:
- Quantum Physics
- Quantum Information Science
Background:
- Quantum systems lose coherence via decoherence when interacting with environments.
- While often detrimental, controlled decoherence is vital for quantum biology and open quantum system simulations.
- Nitrogen-Vacancy (NV) centers are a key platform for quantum information processing.
Purpose of the Study:
- To develop novel steering pulse sequences for controlling decoherence in NV centers.
- To enable precise manipulation of coherence times in NV centers for quantum simulations.
Main Methods:
- A hybrid approach combining digital and analog quantum simulation techniques.
- Dynamically coupling and decoupling NV centers from their physical environment using tailored pulse sequences.
- Numerical simulations using experimentally feasible parameters.
Main Results:
- Demonstrated external control over decoherence in NV centers.
- Achieved significant control over various coherence times.
- Validated the effectiveness of the hybrid simulation approach.
Conclusions:
- External control of decoherence in NV centers is achievable.
- The developed pulse sequences offer a powerful tool for simulating open quantum systems.
- This work advances the use of NV centers in quantum information processing and quantum biology.