We report on the theoretical and experimental demonstration of non-Hermitian antichiral currents based on a tunable non-Hermitian Hall ladder in the synthetic frequency dimension implemented by two coupled optical rin...
详细信息
We build a platform for designing bipartite entangled quantum frequency combs via on-chip Si3N4 microresonators. Our platform supports 12 continuous-variable quantum modes, of which the entanglement degree can be fine...
详细信息
We leverage cutting-edge photonic approaches to demonstrate a clone-combs-based self-homodyne WDM digital-analog RoF system for mobile fronthaul. We achieve a 240 GHz (=12λ×20 GHz) aggregated bandwidth with an u...
详细信息
opticalnetworks are evolving toward ultrawide bandwidth and autonomous *** this scenario,it is crucial to accurately model and control optical power evolutions(OPEs)through optical amplifiers(OAs),as they directly af...
详细信息
opticalnetworks are evolving toward ultrawide bandwidth and autonomous *** this scenario,it is crucial to accurately model and control optical power evolutions(OPEs)through optical amplifiers(OAs),as they directly affect the signal-to-noise ratio and fiber ***,a fundamental contradiction arises between the complex physical phenomena in optical transmission and the required precision in network *** theoretical methods underperform due to ideal assumptions,while data-driven approaches entail exorbitant costs associated with acquiring massive amounts of data to achieve the desired level of *** this work,we propose a Bayesian inference framework(BIF)to construct the digital twin of OAs and control OPE in a data-efficient *** the informative data are collected to balance the exploration and exploitation of the data space,thus enabling efficient autonomous-driving opticalnetworks(ADONs).Simulations and experiments demonstrate that the BIF can reduce the data size for modeling erbium-doped fiber amplifiers by 80%and Raman amplifiers by 60%.Within 30 iterations,the optimal controlling performance can be achieved to realize target signal/gain profiles in links with different types of *** results show that the BIF paves the way to accurately model and control OPE for future ADONs.
A dual-comb FMCW Lidar with coherent comb stitching (CCS) technique is firstly demonstrated. CCS can simultaneously achieve 65 GHz high frequency sweeping range, millimeter-level ranging resolution and 100 kHz high vo...
详细信息
Exceptional points(EPs),singularities of non-Hermitian systems,often exhibit exotic behaviors by engineering the balance between the system gain and ***,EPs have been demonstrated to enable unidirectional perfect abso...
详细信息
Exceptional points(EPs),singularities of non-Hermitian systems,often exhibit exotic behaviors by engineering the balance between the system gain and ***,EPs have been demonstrated to enable unidirectional perfect absorption/reflection at the visible light spectrum.
A dual-comb FMCW Lidar with coherent comb stitching (CCS) technique is firstly demonstrated. CCS can simultaneously achieve 65 GHz high frequency sweeping range, millimeter-level ranging resolution and 100 kHz high vo...
详细信息
optical frequency comb serves as precise rulers in physical quantity measurements, using the Vernier measurement principle by configuring a multi-comb system. We propose a non-ambiguous microwave frequency measurement...
详细信息
暂无评论