We experimentally demonstrate a delay subsystem that utilizes a combination of three types of fiber-Bragg gratings (FBGs), wavelength conversion, and wavelength multicasting using a frequency comb.
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We experimentally demonstrate a delay subsystem that utilizes a combination of three types of fiber-Bragg gratings (FBGs), wavelength conversion, and wavelength multicasting using a
We demonstrate the use of a fiber delay line (FDL) to demodulate a weak fiber Bragg grating (WFBG) array. The FDL is composed of a fiber-ring cavity, by which the delay time is matched with the
A novel demodulation method for the sensing system based on an identical weak fiber Bragg grating (IWFBG) array is proposed in this paper.
Abstract We describe a wavelength-addressed eight-element fibre-optic true time delay line implemented using ultraviolet-inscribed Bragg gratings. A mininum time delay of less than 20 ps is
In this paper, we present a photonics continuous beamforming system for optically controlled phased-array antenna based on a tunable fiber ring laser source and a novel variable true-time delay
Abstract: A large-capacity ultra-weak fiber Bragg grating (UW-FBG) array interrogation system is proposed and implemented. The system utilizes time- and wavelength-division multiplexing methods,
In this paper, a continuously variable delay line for phased array antennas is presented. The proposed delay line operates at a single wavelength and is based o
We propose and demonstrate a photonic true-time delay beamforming system for a 1 × 4 linear phased array antenna, operating in the Ku-band, based on superstructured fiber Bragg
To provide a solution, we report a pretreatment method for hydrophone array based on 3 × 3 coupler demodulation.