Abstract

We demonstrated optical packet switching and buffering operation of a DWDM/NRZ-DPSK optical packet, whose payload-data-rate is 640 Gbit/s (64-wavelength$\,\times\,$10 Gbit/s), for transparent optical packet switch systems for the first time. Error-free (bit-error-rate ${<}10^{- 9}$) operation including 200-Gchip/s PSK optical label processing was achieved for all 64-wavelength-channel 10 Gbit/s DPSK packet-payloads. In addition, the higher tolerance of DPSK format for packet power fluctuation compared with OOK one was verified in an optical packet switch system.

© 2010 IEEE

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