Experimental demonstration of 480 Gbit/s coherent transmission using a nanosecond switching tuneable laser
OPTICS COMMUNICATIONS(2024)
摘要
Fast-switching tuneable lasers with a wide wavelength coverage and with noise and linewidth levels suitable for high-order modulation formats can facilitate the implementation of highly flexible and reconfigurable optical metro, access and inter/intra data center networks. In this work, we show the characterization of a tuneable laser capable of covering a wavelength range of 35 nm in the C-band with nanosecond switching time and low linewidth and use it to demonstrate 480 Gbit/s 16QAM transmission over 25 km of single-mode fiber for a wavelength range of 19 nm.
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关键词
Nanosecond switching,Coherent transmission,16QAM
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