Abstract
We develop the novel ±π/2-phase-shifted SSFBG en/decoders (31-chip 640Gchip/s) and verify the improved security performance. We also demonstrate the mixed use of 0/π- and ±π/2-phase-shifted SSFBG en/decoders in the 4-user 10Gbps/user OCDMA system.
© 2011 Optical Society of America
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