VCSELs have been the backbone of data center optical connectivity since 1996, valued for their speed, reliability and unmatched cost efficiency. Up until now, the question has been whether the ...
That nifty little laser in the iPhone X that scans your face to create a custom animated emoji could also connect cities with ultra high-speed broadband. That’s what a team of researchers in Europe ...
PITTSBURGH, Jan. 17, 2024 (GLOBE NEWSWIRE) -- Coherent Corp. (NYSE: COHR), a leader in semiconductor lasers for depth sensors, today announced the introduction of an illumination module platform for ...
Keysight and Coherent showcased 200G-per-lane VCSEL technology at OFC 2025, demonstrating characterization, tuning, and validation. The multimode VCSEL enables higher data transfer rates to meet ...
GaN-based vertical-cavity surface-emitting lasers (VCSELs) are promising for displays, sensing and optical communication, but improving efficiency remains challenging. Researchers have now shown that ...
PITTSBURGH, March 25, 2024 (GLOBE NEWSWIRE) -- Coherent Corp. (NYSE: COHR), a global leader in materials, networking, and lasers, announced today that it has made a significant breakthrough in ...
Narrow-linewidth vertical-cavity surface-emitting lasers (VCSELs) are critical for quantum sensors and chip-scale atomic clocks. However, conventional designs typically suffer from broad linewidths ...
Figure 1. Schematic of a tunable microlaser based on phase-change perovskite gain medium, sandwiched between Au mirror and DBR reflector sitting on a quartz glass substrate, pumped by blue-violet ...
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