Compound Semiconductor

Coherent introduces 2D VCSEL and photodiode arrays

Using its 100G PAM4 multimode VCSEL and PD platform, Coherent has introduced a high-density 2D array architecture (1.6T, 850 ...
IEEE

High-Resolution Multiple-Source 2D DOA Estimation Using Convolutional Neural Network With Robustness to Array Imperfections

Abstract: In this paper, we present an efficient convolutional neural network (CNN)-based model to estimate both elevation and azimuth arrival angles of multiple sources with high resolution (small ...
IEEE

Beam Shaping of VCSEL Arrays Using Randomized Microlens Arrays With Integrated Collimation

Abstract: In active 3D imaging systems, the circular, Gaussian-shaped output of VCSEL arrays must be converted into rectangular patterns aligned with the camera’s field of view. To maximize energy ...