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This paper presents a review and discussion of the applications of microwave photonic techniques and functionalities to the field of optical fiber sensors. A specific end-to end model for its characterization is presented here for the first time that yields the sensitivity of the different figures of merit in terms of measured variations. Experimental techniques to characterize these systems are presented...
We propose a microwave photonics phase shifter which utilizes a coupling-modulated microring resonator (CMR) with interleaved p-n junctions. The transmission response of the CMR can be tuned by changing the effect coupling factor through applying bias voltage on the feedback arm. Finally, 1 V bias voltage is chosen to apply on the CMR. A microwave photonics phase shifter with phase shift range of...
We propose and experimentally demonstrate an on-chip microwave phase shifter based on Coupling-modulated Microring Resonators (CMR). CMR is a structure that connected the transmission port and upload port of the normal ring resonator. In this case, the transmission spectrum can be tuned by properly adjusting the phase shift accumulation in the connected waveguide of the CMR. A deep notch of the transmission...
We experimentally demonstrate a broadband microwave photonics phase shifter. This phase shifter utilizes the free-carrier dispersion effect in a silicon microring resonator (MRR) with P-N junction. We characterize the phase and amplitude response of the MRR at different bias voltage. Experimental results show that a microwave photonics phase shifter with a bandwidth from 10 GHz to 15 GHz and a tuning...
We experimentally demonstrate a continuously-tunable quasi-THz RF-photonic phase shifter based on a dual-phase-shifted waveguide Bragg grating on silicon. Phase shifts up to ∼90°are demonstrated over the 16–20 GHz band, constrained only by instrumentation limitations.
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