Optimization of fanout intensity distribution for bidirectional photopolymer-hologram-based optical backplane bus

摘要

Abstract: Optimized design for a bi-directional optical backplane bus, containing 72 (9 $MUL 8) interconnects and employing arrays of multiplexed polymer-based waveguide holograms on a waveguiding plate, is presented in this paper. After an objective function for the system is established, the fan-out intensity fluctuations among all the different channels are minimized by solving a set of non-linear equations numerically. Particularly, the fan-out distribution for the case in which nine boards on one side of the optical bus are optimized. A global optimized diffraction efficiency distribution exits and the minimum fan-out intensity after optimization is 1.5% of the incident power. !8