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Power Characteristics and Temperature Dependence of the Angular Beam Divergence of Lasers with a Near-Surface Active Region


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Abstract

Results are presented of a study of light–current characteristics and far-field patterns of emission of stripe lasers with coupled planar waveguides. This configuration makes it possible to suppress the generation of excited modes and to have a small (about 0.9 μm) depth of the active region from the surface of the laser crystal. A high-temperature stability of the angular emission divergence (34.0° ± 1.5°) in the temperature range 20–80°C is demonstrated. The largest value of the output power is limited to 12.2 W in the continuous-wave mode by the catastrophic mirror damage.

About the authors

A. E. Zhukov

St. Petersburg National Research Academic University, Russian Academy of Sciences; Peter the Great St. Petersburg Polytechnic University

Author for correspondence.
Email: zhukale@gmail.com
Russian Federation, St. Petersburg, 194021; St. Petersburg, 195251

N. Yu. Gordeev

St. Petersburg National Research Academic University, Russian Academy of Sciences; Ioffe Physical Technical Institute

Email: zhukale@gmail.com
Russian Federation, St. Petersburg, 194021; St. Petersburg, 194021

Yu. M. Shernyakov

St. Petersburg National Research Academic University, Russian Academy of Sciences; Ioffe Physical Technical Institute

Email: zhukale@gmail.com
Russian Federation, St. Petersburg, 194021; St. Petersburg, 194021

A. S. Payusov

St. Petersburg National Research Academic University, Russian Academy of Sciences; Peter the Great St. Petersburg Polytechnic University; Ioffe Physical Technical Institute

Email: zhukale@gmail.com
Russian Federation, St. Petersburg, 194021; St. Petersburg, 195251; St. Petersburg, 194021

A. A. Serin

Peter the Great St. Petersburg Polytechnic University; Ioffe Physical Technical Institute

Email: zhukale@gmail.com
Russian Federation, St. Petersburg, 195251; St. Petersburg, 194021

M. M. Kulagina

Ioffe Physical Technical Institute

Email: zhukale@gmail.com
Russian Federation, St. Petersburg, 194021

S. A. Mintairov

St. Petersburg National Research Academic University, Russian Academy of Sciences; Ioffe Physical Technical Institute

Email: zhukale@gmail.com
Russian Federation, St. Petersburg, 194021; St. Petersburg, 194021

N. A. Kalyuzhnyi

St. Petersburg National Research Academic University, Russian Academy of Sciences; Ioffe Physical Technical Institute

Email: zhukale@gmail.com
Russian Federation, St. Petersburg, 194021; St. Petersburg, 194021

M. V. Maksimov

St. Petersburg National Research Academic University, Russian Academy of Sciences; Peter the Great St. Petersburg Polytechnic University; Ioffe Physical Technical Institute

Email: zhukale@gmail.com
Russian Federation, St. Petersburg, 194021; St. Petersburg, 195251; St. Petersburg, 194021

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