DISTRIBUTED OPTICAL CONTENTION RESOLUTION USING AN OPTICAL TOKEN-RING

A novel distributed contention resolution using token-ring for N x N p hotonic ATM or packet switching system is proposed. This method uses d istributed optical data processing, to improve the switching capacity and link speed of a photonic switch. Token reduction part, the key fun ction of the proposed method, was realized using a semiconductor laser amplifier loop mirror. Experimentally, a pulse in a 2.5 Gb/s token ma de of 50-ps full-width at half-maximum optical pulses was successfully eliminated and the extinction ratio was -6.85 dB.