145 citations · 330 across the 14 of their papers we have counts for
14 papers
Narrowband parallel coherent LiDAR with frequency interleaving
Long Wang, Liang Hu, Wenhai Jiao +3
The high demand for 3D imaging in intelligent robotics is motivating the advances of coherent LiDARs towards high performances with low complexity/cost. However, the current cohere…
Free-space point-to-multiplepoint optical frequency transfer with lens assisted integrated beam steering
Liang Hu, Ruimin Xue, Xianyi Cao +4
We report on the realization of high-performance silica integrated two-dimensional lens assisted beam-steering (LABS) arrays along with the first-of-their-kind point-to-multiplepoi…
Multiple-access relay stations for long-haul fiber-optic radio frequency transfer
Qi Li, Liang Hu, Jinbo Zhang +2
We report on the realization of a long-haul radio frequency (RF) transfer scheme by using multiple-access relay stations (MARSs). The proposed scheme with independent link noise co…
Enhanced phase noise reduction in localized two-way optical frequency comparison
Long Wang, Ruimin Xue, Wenhai Jiao +2
High-stability optical frequency comparison over fiber link enables the establishment of ultrastable optical clock networks, having the potential to promote a series of application…
Robust optical frequency transfer in a noisy urban fiber network
Xiang Zhang, Liang Hu, Xue Deng +6
Optical fibers have been recognized as one of the most promising host material for high phase coherence optical frequency transfer over thousands of kilometers. In the pioneering w…
Fiber radio frequency transfer using bidirectional frequency division multiplexing dissemination
Qi Li, Liang Hu, jinbo Zhang +2
We report on the realization of a novel fiber-optic radio frequency (RF) transfer scheme with the bidirectional frequency division multiplexing (FDM) dissemination technique. Here,…
Branching optical frequency transfer with enhanced post automatic phase noise cancellation
Ruimin Xue, Liang Hu, Jianguo Shen +2
We present a technique for coherence transfer of laser light through a branching fiber link, where the optical phase noise induced by environmental perturbations via the fiber link…
All-passive multiple-place optical phase noise cancellation
Liang Hu, Ruimin Xue, Xueyang Tian +2
We report on the realization of delivering coherent optical frequency to multiple places based on passive phase noise cancellation over a bus topology fiber network. This technique…
Passive Optical Phase Stabilization on a Ring Fiber Network
Liang Hu, Xueyang Tian, Long Wang +2
Optical frequency transfer provides the means for high-fidelity frequency transfer across thousands of kilometers. A critical step in the further developing optical frequency trans…
Fundamental Limitations of Rayleigh Backscattering Noise on Fiber-Based Multiple-Access Optical Frequency Transfer
Liang Hu, Xueyang Tian, Guiling Wu +2
While it has been shown that backscattering induced phase noise can be suppressed by adopting acoustic-optic-modulators (AOMs) at the local and remote sites to break the frequency…
Passive Optical Phase Noise Cancellation
Liang Hu, Xueyang Tian, Guiling Wu +1
We report on the realization of an optical phase noise cancellation technique by passively embedding the optical phase information into a radio frequency (RF) signal and shifting t…
Multi-node optical frequency dissemination with post automatic phase correction
Liang Hu, Xueyang Tian, Guiling Wu +3
We report a technique for coherence transfer of laser light through a fiber link, where the optical phase noise induced by environmental perturbation via the fiber link is compensa…
Sr atom interferometry with the optical clock transition as a gravimeter and a gravity gradiometer
Liang Hu, Enlong Wang, Leonardo Salvi +3
We characterize the performance of a gravimeter and a gravity gradiometer based on the S-P clock transition of strontium atoms. We use this new quantum sensor t…
Atom interferometry with the Sr optical clock transition
Liang Hu, Nicola Poli, Leonardo Salvi +1
We report on the realization of a matter-wave interferometer based on single-photon interaction on the ultra-narrow optical clock transition of strontium atoms. We experimentally d…