Chinese Optics Letters, Volume. 23, Issue 4, 041401(2025)
Issues of few-mode operation in high-power semiconductor lasers at a wavelength of 1550 nm
Figures & Tables(6)
Fig. 1. Typical V-I curves for laser series with cavity lengths of 1200, 2400, 3600, and 4800 µm.
Fig. 2. L-I curves and spectra for a laser with a cavity length of 2400 µm at heat sink temperatures of 15°C, 25°C, and 35°C.
Fig. 3. Lateral brightness of the beam for a laser of the same series.
Table 1. L-I Curves and Spectra for Lasers of the Same Series
View tableView in ArticleTable 1. L-I Curves and Spectra for Lasers of the Same Series
Cavity length L-I curve Spectrum 1200 µm 
2400 µm 
3600 µm 
4800 µm 
Table 2. Intensity Distribution Profiles of Electromagnetic Radiation in the Near and Far Fields Along the Lateral Axis at a Temperature of 25°C
View tableView in ArticleTable 2. Intensity Distribution Profiles of Electromagnetic Radiation in the Near and Far Fields Along the Lateral Axis at a Temperature of 25°C
Cavity length Near field Far field 1200 µm 
2400 µm 
3600 µm 
4800 µm 
Table 3. Dependencies of the Lateral Beam Width and Angular Beam Divergence on the Pump Current
View tableView in ArticleTable 3. Dependencies of the Lateral Beam Width and Angular Beam Divergence on the Pump Current
Cavity length Dependencies of the lateral beam width and angular beam divergence on the pump current 1200 µm 
2400 µm 
3600 µm 
4800 µm 
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Yulia Kirichenko (Bobretsova), Dmitriy Veselov, Andrey Lyutetsky, Sergey Slipchenko, Nikita Pikhtin, Artem Rizaev, Andrey Leshko, Alexander Klimov, Vladimir Svetogorov, Yuriy Ryaboshtan, Maksim Ladugin, Alexander Marmalyuk, "Issues of few-mode operation in high-power semiconductor lasers at a wavelength of 1550 nm," Chin. Opt. Lett. 23, 041401 (2025)
Paper Information
Category: Lasers, Optical Amplifiers, and Laser Optics
Received: Jul. 26, 2024
Accepted: Oct. 8, 2024
Published Online: Apr. 24, 2025
The Author Email: Yulia Kirichenko (Bobretsova) (bobreyulia@gmail.com)
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