Longitudinal Supermode Analysis Of Two Coupled CO2 Lasers

Dwight M. Walsh

doi:10.1117/12.975484

25 November 1986 Longitudinal Supermode Analysis Of Two Coupled CO₂ Lasers

Dwight M. Walsh

Proceedings Volume 0642, Modeling and Simulation of Optoelectronic Systems; (1986) https://doi.org/10.1117/12.975484
Event: 1986 Technical Symposium Southeast, 1986, Orlando, United States

Abstract

A homogeneously broadened system of two coupled lasers is studied using the longitudinal double-cavity supermodes as a basis set for expanding the field and polarization of the system. This approach is valid for strong as well as weak coupling of the lasers. A system of two self-consistent field equations for the field amplitude En and phase On of the nth supermode are obtained. Assuming only one supermode in the system, these equations are solved in steady-state to obtain the steady-state field amplitude and operating frequency of that supermode. The system is defined as phase-locked if neighboring supermodes, arising from small deviations for steady-state, do not grow with time. Tuning curves and locking ranges calculated with these methods were found to be in good agreement with those obtained from an experiment with a system of two coupled CO₂ lasers.

Citation Download Citation

Dwight M. Walsh "Longitudinal Supermode Analysis Of Two Coupled CO₂ Lasers", Proc. SPIE 0642, Modeling and Simulation of Optoelectronic Systems, (25 November 1986); https://doi.org/10.1117/12.975484

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KEYWORDS

Mirrors

Polarization

Laser systems engineering

Optoelectronics

Mode locking

Modeling and simulation

Carbon dioxide lasers

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