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A transmission span of 4 Â 100 km followed by an all-optical wavelength converter is cascaded 2500 times. Thereby transmission of a 40 Gbit=s signal over a total distance of 1 000 000 km is demonstrated. Introduction: All-optical wavelength converters (AOWC) are envisioned to be part of future high-speed networks. In particular, they might replace(More)
— In this letter, we introduced hydrogen ions into titanium metal doped into SiO 2 thin film as the insulator of resistive random access memory (RRAM) by supercritical carbon dioxide (SCCO) 2 fluid treatment. After treatment, low resistance state split in to two states, we find the insert RRAM, which means it has an operating polarity opposite from normal(More)
In this letter, a double active layer (Zr:SiOx/C:SiOx) resistive switching memory device with outstanding performance is presented. Through current fitting, hopping conduction mechanism is found in both high-resistance state (HRS) and low-resistance state (LRS) of double active layer RRAM devices. By analyzing Raman and FTIR spectra, we observed that(More)
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