研究目的
Demonstrating all-optical wavelength conversion of 56 Gb/s NRZ signals in an InP photonic integrated circuit implementing a turbo-switch.
研究成果
The study successfully demonstrates high-speed all-optical wavelength conversion of 56 Gb/s NRZ signals using an InP monolithically integrated turbo-switch, showing benefits in terms of operation speed, stability, and compact size. The approach is promising for next-generation data center networks.
研究不足
The bandwidth limitation of the modulator and the photodiode (suited for 40 Gb/s signals) affects the measurements for the 56 Gb/s signal. Up-conversions are affected by the asymmetric gain tilt effect typical of the XGM in SOAs.
1：Experimental Design and Method Selection:
The experiment utilizes a turbo-switch configuration with two cascaded SOAs and a bandpass filter for all-optical wavelength conversion.
2：Sample Selection and Data Sources:
A 56 Gb/s NRZ optical signal is generated and modulated for the experiment.
3：List of Experimental Equipment and Materials:
Includes a Mach-Zehnder modulator, pulse-pattern generator, polarization controller, erbium-doped fiber amplifier, tunable band-pass filter, tunable laser sources, thermo-electric cooler, and photodetector.
4：Experimental Procedures and Operational Workflow:
The setup involves modulating a CW light, adjusting polarization states, combining pump and probe signals, and analyzing the converted signal.
5：Data Analysis Methods:
Performance is evaluated through BER and ER measurements.
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