Topics in this Issue
Free-space optical interconnects based on two-dimensional arrays of vertical-cavity surface-emitting lasers use microchannel architecture to produce compact optical systems with a high aggregate bandwidth. Performance of the system is limited by diffraction-caused cross talk and stray-light cross talk. By changing the array lattice geometry from square to hexagonal, significant improvement in optical signal-to-noise ratio was obtained. For details, see the paper by Tsai et al., pp. 2434-2442.
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