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Photonics-based microwave switching using optical single sideband (OSSB) wavelength conversion in a semiconductor optical amplifier (SOA) is proposed and demonstrated. By using the joint four-wave mixing and self-phase modulation effects in the SOA, the scheme can simultaneously realize the OSSB signal generation and photonic microwave switching, which can minimize the switching crosstalk, since the...
Photonic switching of RF signals based on optical single sideband (OSSB) wavelength conversion using a semiconductor optical amplifier (SOA) for radio-over-fiber applications is proposed and demonstrated. The scheme realizes OSSB signal generation simultaneously with the photonic microwave switching based on self-phase modulation (SPM), cross-gain modulation (XGM) and four-wave mixing (FWM) effects...
In the future broadband wireless access networks, many remote antenna units (RAUs) are required to connected to a center office. To differentiate each RAU, wavelength-division multiplexing (WDM) is an efficient and mostly-used way, but this would require expensive wavelength-specific or wavelength-tunable optical sources. To reduce the cost, colorless or wavelength-independent RAU is highly desirable...
All-optical regenerative wavelength converter is proposed and demonstrated based on the delayed interference signal wavelength converter followed by a SOA. Signal quality can be improved by the regenerative amplification of the SOA.
A nonlinear polarization switch cascading a delayed interferometer is proposed and demonstrated as an all-optical wavelength converter (WC) for NRZ systems. The converted signal has a negative power penalty after 25 km transmission.
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