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Updated: Oct 17, 2025
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A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
Published on: September 5, 2019
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Hybrid coupling optomechanical assisted nonreciprocal photon blockade.
Optics Express
|October 7, 2021
Summary
Harnessing environmental interactions in open quantum systems can enhance quantum information processing. This study reveals environment-induced quantum nonlinearity and tunable energy spectra in optomechanical systems, enabling non-reciprocal behavior.
Area of Science:
- Quantum Information Science
- Optomechanics
- Quantum Optics
Background:
- Open quantum systems are crucial for quantum information processing but are susceptible to decoherence from environmental interactions.
- While environmental influence often degrades quantum states, strategic utilization of the environment can be beneficial.
- Optomechanical systems offer a platform for exploring quantum phenomena and controlling quantum states.
Purpose of the Study:
- To theoretically investigate environment-induced quantum nonlinearity in optomechanical systems.
- To explore methods for tuning the energy spectrum of open quantum systems via environmental coupling.
- To analyze the potential of cross-Kerr coupling for quantum information applications.
Main Methods:
- Theoretical modeling of an optomechanical system with hybrid dissipation and dispersion.
- Analysis of dissipation coupling leading to cross-Kerr interaction between system and environment.
- Introduction of a directional auxiliary field to break system symmetry and induce non-reciprocity.
Main Results:
- Dissipation coupling in the optomechanical system effectively induces cross-Kerr interaction.
- Breaking symmetry with an auxiliary field leads to non-reciprocal photon excitation and photon blockade.
- The environment can be rationally utilized to induce quantum nonlinearity and tune energy spectra.
Conclusions:
- Environment-induced quantum nonlinearity and tunable energy spectra are achievable in optomechanical systems.
- Cross-Kerr coupling mediated by environmental interactions offers a novel pathway for quantum control.
- The demonstrated non-reciprocal behavior holds promise for advanced quantum information processing and simulation.
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