20 April 1998 Light efficient parallel interconnect using integrated planar free-space optics and vertical-cavity surface-emitting laser diodes
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Abstract
Planar optics is an approach to monolithically integrate free-space optical system. Diffractive microoptical elements are etched into a transparent substrate which serves as a medium for light propagation as well as a board for optoelectronic or electronic components. Mirrors and imaging optics are sued to keep the light traveling within the substrate along a zigzag path. Arrays of VCSEL devices can be integrated on the substrate by means of flip-chip bonding. Among the interesting applications of that technology are optical interconnections for VLSI systems where the optics can provide a large number of parallel channels. A critical issue of the practical realization is the light efficiency of the optical interconnect. Here, we propose a planar-optical implementation of the interconnect using analog grey-scale lithography resulting in a light- efficiency optical system.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Juergen Jahns, Christiane Gimkiewicz, Stefan Sinzinger, "Light efficient parallel interconnect using integrated planar free-space optics and vertical-cavity surface-emitting laser diodes", Proc. SPIE 3286, Vertical-Cavity Surface-Emitting Lasers II, (20 April 1998); doi: 10.1117/12.305468; https://doi.org/10.1117/12.305468
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