A 940 nm polarization-stable multimode vertical-cavity surface-emitting laser (VCSEL) with controllable polarization has two emission zones, and generates 8 mW optical power and slope efficiency of 1 W/A. Its proprietary surface grating is directly etched into the gallium arsenide (GaAs). Applications include consumer electronic devices and smartphones.
TRUMPF Photonic Components
Ulm, Germany
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March 31, 2025
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