A novel decision feedback VINN equalizer is utilized to realize low-complexity nonlinear equalization. It is a white-box machine learning (ML) algorithm guided by a conventional physical model. Based on this equalizer...
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We propose a generalized carrier assisted differential detection receiver featuring simplest structure of 2×2 optical coupler and 2 single-ended photodiodes. The performance of the designed receiver is comprehens...
We propose and experimentally demonstrate a digital mobile fronthaul scheme utilizing the non-linearity of MZM. The EVM can be reduced by 6.17% and 2.19% at-9dBm ROP for BtB and after 10km SSMF transmission, respectiv...
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We propose a generalized carrier assisted differential detection receiver featuring simplest structure of 2×2 optical coupler and 2 single-ended photodiodes. The performance of the designed receiver is comprehens...
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We demonstrate a record single-wavelength net 1.04-Tb/s transmission over 40-km SMF using 56.5-GHz Jones-space direct-detection receiver with the highest electrical spectral efficiency of 18.4 b/s/Hz. Using the 42-km ...
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We propose a directional bending sensor based on LP11 mode from few-mode ring-core fiber with CO2-laser-inscribed long-period grating. One-side inscription enhances asymmetric index modulation in fiber, resulting in d...
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We propose a directional bending sensor based on LP11 mode from few-mode ring-core fiber with CO2-laser-inscribed long-period grating. One-side inscription enhances asymmetric index modulation in fiber, resulting in d...
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Gyroscopes are crucial components of inertial navigation systems,with ongoing development emphasizing miniaturization and enhanced *** recent advances in chip-scale optical gyroscopes utilizing integrated optics have ...
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Gyroscopes are crucial components of inertial navigation systems,with ongoing development emphasizing miniaturization and enhanced *** recent advances in chip-scale optical gyroscopes utilizing integrated optics have attracted considerable attention,demonstrating significant advantages in achieving tactical-grade *** this paper,a new,to our knowledge,integrated optical gyroscope scheme based on the multi-mode co-detection technology is proposed,which takes the high-Q microcavity as its core sensitive element and uses the multi-mode characteristics of the microcavity to achieve the measurement of rotational angular *** detection scheme breaks the tradition of optical gyroscopes based on a single mode within the sensitive ring to detect the angular rotation rate,which not only greatly simplifies the optical and electrical system of the optical gyroscope,but also has a higher detection *** gyroscope based on this detection scheme has successfully detected the Earth's rotation on a 9.2 mm diameter microcavity with a bias instability as low as 1 deg/h,which is the best performance among the chip-scale integrated optical gyroscopes known to us.
Integrated optical nonlinearities have spawned many new technologies such as optical parametric oscillators and microcombs. Despite remarkable achievements, optical parametric oscillation (OPO) and microcomb generatio...
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Reconfigurable holographic surfaces (RHSs) have been proposed as a cost-effective and power-efficient solution for extremely large-scale arrays, where the amplitude of electromagnetic waves radiated at each element is...
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