Applications:
1. Optical interconnections；
2. Sensing.
Features：
1. 850nm single mode emissioin;
2. High single-transverse-mode power (≥1mW) under room temperature；
3. Circular beam spot and low divergence angle；
4. Narrow linewidth (spectral width)；
5. Date rates from DC to 25Gb/s.
https://www.acephotonics.com/vcsel-light-source/