Abstract
The wavelength division multiplexing (WDM) scheme is utilized to increase significantly the transmission rate of optical communication systems. Monolithic arrays of wavelength-graded laser diodes are considered as a compact choice for WDM light sources. Lasers in the visible regime are suitable to be used as emitters in optical short-range data transmission since the attenuation minimum of polymethylmethacrylate (PMMA) fibres lies near 650 nm.
© 2000 IEEE
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