MCM LGA Package with Optical I/O Passively Aligned to Dual Layer Polymer Waveguides in PCB

Abstract

Over the past 30 years,

Gigabits-per-Second Signal Transmission from Single-Mode Vertical-Cavity Surface-Emitting Laser via Thin-Film Waveguide for Wavelength-Division-Multiplexing Optical Interconnect Board

“…A key issue is how to transmit the optical signals from a 2D array of VCSELs connected to a transmitter chip to a 2D array of photodiodes (PDs) connected to a receiver chip. There are some reports [2][3][4] on the applications of 2D arrays of the multimode waveguides, while several imaging systems [5][6][7] with micro-optic or diffractive optic components have been also demonstrated. As another approach, we have proposed and investigated an integrated optic configuration in combination with a wavelength-divisionmultiplexing (WDM) technique.…”