Advancing LWIR FSO communication through high-speed multilevel signals and directly modulated quantum cascade lasers.
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DOI: 10.1364/oe.530228
Abstract: This study investigates the potential of long-wave infrared (LWIR) free-space optical (FSO) transmission using multilevel signals to achieve high spectral efficiency. The FSO transmission system includes a directly modulated-quantum cascade laser (DM-QCL) operating at 9.1 µm… read more here.
Keywords: directly modulated; nrz ook; multilevel signals; modulated quantum ... See more keywords