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All-optical FDM grid generation and channel selection is experimentally demonstrated through optical signal processing. Full-duplex 10G/2×10G transmission with reflective ONUs is validated for 20dB budget and 25km reach. An optional 10Gb/s FDM/TDM mode is verified.
Wavelength shifting based on the all-optical clock recovery of a RZ-downstream with suppressed clock harmonic is presented, avoiding in-band Rayleigh backscattering for choosing this particular harmonic as upstream carrier, even for a low OSRR <10dB.
In this work a very simple structure for the implementation of a digital reconfigurable compensator based on specific hardware is presented. Its main advantages are the easy way to change the transfer function by changing the clock frequency of the compensator and the reduction of the required digital resources. This approach can be used in systems implementing capabilities such as autotuning, adaptation...
Digital control solutions become more attractive than analog controllers because they allow easy design of more complex control strategies, reconfigurability, high immunity to noise and low power consumption. However, as the control target and power stage of the converter are inherently analog, digital controllers require the addition of Analog-to-Digital (A/D) converters. This data conversion generates...
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