Field demonstration of up to 640 gb/s (64 ch/spl times/10 gb/s) GWP switching networks with a QPM-LN wavelength converter in JGN II test bed

The first field experiment of virtual grouped-wavelength-path switching is successfully demonstrated by using polarization-independent multichannel wavelength conversion in a quasi-phase-matched lithium niobate waveguide and an 8times8 matrix switch. Contention resolution functionality is confirmed by using wavebands composed of 25GHz spaced, 8- or 64-ch, 10 Gb/s wavelength division multiplexing signals, transmitted through field-installed fibers in Japan Gigabit Network II optical test bed

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