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Article obtained from Photonics RSS Feed.
Researchers from École Polytechnique Fédérale de Lausanne (EPFL) have developed a method of reconfiguring microwave photonic filters without the need for an external device. The research may enable more compact, environmentally friendly filters at lower cost. Potential applications include those involving detection and communication systems.
By establishing interference between two pulses within a microcomb, the researchers were able to accurately control the pulses in order to reconfigure the outgoing radio frequency. The effort generated different types of microcombs on a silicon nitride chip, to produce high-quality soliton pulse signals.
The wavelength of the signal generated can be modified either by…READ MORE