High Density Micro-Lens Array Connector for Optical Multi-chip Module

For efficient light coupling from and into an optical multi-chip module (MCM), the micro-lens array connector (MLAC) is developed. MLAC, composed of a waveguide side lens array and a fiber side connector, integrates 24 collimation micro-lense pairs in its small volume, realizing high bandwidth density, low coupling loss, large alignment tolerance and simple assembling process. In this paper, the mechanical design and optical characteristics of MLAC are introduced. The design criteria and challenges in the assembling processes are also described.