Abstract
Wavelength multiplexing is a technique for recording a number of holograms for datastorage, optical-interconnect, and optical-wavelength filter architectures. The system capacity is limited by the space–bandwidth product of the signal beam, the number of usable wavelengths, and the cross talk. The available peripheral devices and laser sources limit the first two quantities, and cross talk is minimized in the coun-terpropagating geometry for wavelength multiplexing. When system and material noise sources are not significant, capacity may be increased straightforwardly through improvement in peripheral devices by increasing the space-bandwidth product of the signal beam or the number of available wavelengths.
© 1995 Optical Society of America
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