研究目的
Theoretical study of spontaneous phase symmetry breaking in a gas coupled-cavity ring laser.
研究成果
The study demonstrates that spontaneous phase symmetry breaking can occur in a gas coupled-cavity ring laser with antiphase optical coupling, leading to the emergence of a frequency bias and bistable regimes of counterpropagating wave beatings. The analytical and numerical results agree well, providing insights into the conditions for symmetry breaking and its implications for laser dynamics.
研究不足
The study is theoretical and does not include experimental validation. The model assumes specific conditions and parameters that may not fully capture the complexity of real-world systems.
1：Experimental Design and Method Selection:
The study involves a theoretical model describing the lasing dynamics in a gas ring laser with coupled cavities. The model considers the interaction of counterpropagating waves in the presence of antiphase optical coupling between the main and additional cavities.
2：Sample Selection and Data Sources:
The model is based on parameters typical for a ring He–Ne laser on the 3s2–2p4 neon transition with a wavelength of
3：63 mm. List of Experimental Equipment and Materials:
The theoretical model does not specify physical equipment but assumes parameters such as perimeters of the main and additional cavities (L = 10 cm and Lс = 40 cm), losses per round-trip transit (
4：005 and 002), and amplitude transmittance of the coupling mirror (kc = 001). Experimental Procedures and Operational Workflow:
The study involves solving a system of ordinary differential equations to describe the lasing dynamics under conditions of antiphase optical coupling.
5：Data Analysis Methods:
The analysis includes both analytical solutions and numerical simulations to explore the conditions for spontaneous phase symmetry breaking and its effects on the laser's frequency characteristics.
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