A tunable device based on chirped microstrip delay lines is proposed to precompensate at the transmitter the chromatic dispersion accumulated during optical fiber propagation. Compensated dispersion is finely tuned by changing the effective dielectric constant of the microstrip line by menas of moving dielectric perturbers. Compensation up to 51 ps/GHz necessary to propagate over 400 km uncompensated standard single-mode fiber at 10 Gb/s is demonstrated. The proposed solution does not require coherent detection and can find application in metropolitan and regional area networks.
Microwave tunable dispersion compensator for optical fiber systems
RANZANI, LEONARDO;BOFFI, PIERPAOLO;MARTINELLI, MARIO
2011-01-01
Abstract
A tunable device based on chirped microstrip delay lines is proposed to precompensate at the transmitter the chromatic dispersion accumulated during optical fiber propagation. Compensated dispersion is finely tuned by changing the effective dielectric constant of the microstrip line by menas of moving dielectric perturbers. Compensation up to 51 ps/GHz necessary to propagate over 400 km uncompensated standard single-mode fiber at 10 Gb/s is demonstrated. The proposed solution does not require coherent detection and can find application in metropolitan and regional area networks.File in questo prodotto:
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ApplOpt50_1786_2011.pdf
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