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We experimentally demonstrate a tunable and reconfigurable optical tapped delay line using conversion dispersion based delays. Correlation and equalization functions are demonstrated. We observed a ~60% improvement of dispersion tolerance at an OSNR penalty of 3 dB.
We demonstrate a 40 Gb/s optical buffer utilizing a 116 ns continuously tunable optical delay. 53 byte ATM packets are buffered up to a 10-packet-depth with a reconfiguration time of 25 ps (1 bit-slot). The buffer is capable of adjusting to varying packet sizes, data-rates, and modulation formats.
We experimentally demonstrate 10 Gb/s and 40 Gb/s transmission of both RZ-OOK and RZ-DPSK signals across a double clad, 130 mum core, graded index plastic optical fiber (GI-POF) at 1.55 mum. Error free transmission is achieved with little penalty for RZ-OOK and <3 dB penalty for RZ-DPSK.
We experimentally demonstrate an all-optical chromatic dispersion monitoring technique utilizing cross-phase modulation in highly-nonlinear fiber for 40-Gb/s RZ-DPSK. Maximum monitored power variation of 16.5-dB is achieved in the presence of up to 120-ps/nm chromatic dispersion.
We demonstrate tunable time-slot-interchange of 40-Gb/s optical data packets using a conversion-plus-dispersion-based tunable 100-ns delay element. Separate 182-bit packets are converted onto separate wavelengths, delayed relative to one another using a dispersion module, and then re-inserted into new packet time slots.
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