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Updated: Oct 28, 2025
06:42
Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
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Geometric phase with full-wedge and half-wedge rotation in nonlinear frequency conversion.
Optics Express
|July 16, 2021
Summary
Geometric phase is generated during nonlinear frequency conversion when quasi-phase matching parameters rotate. Two rotation schemes effectively control this geometric phase, crucial for quantum information processing and nonlinear optics.
Area of Science:
- Nonlinear optics
- Quantum information processing
Background:
- Geometric phase generation occurs during nonlinear frequency conversion when quasi-phase matching (QPM) parameters rotate.
- Controlling geometric phase is vital for applications in quantum information processing and nonlinear optics.
Purpose of the Study:
- To investigate two rotation schemes, full-wedge and half-wedge, for QPM parameters in nonlinear three-wave mixing.
- To suppress uncertainty in geometric phase creation, especially when pump intensity is depleted.
Main Methods:
- Studying full-wedge rotation of QPM parameters.
- Analyzing half-wedge rotation of QPM parameters.
- Investigating fully nonlinear three-wave mixing processes.
Main Results:
- Both full-wedge and half-wedge rotation schemes effectively suppress uncertainty in geometric phase generation.
- The proposed schemes offer a method for consistent control over geometric phase in nonlinear frequency conversion.
Conclusions:
- The study provides a pathway for precise control of geometric phase in nonlinear optics.
- These findings are significant for advancing quantum information processing applications.
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