Zhu-Bo Wang
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View article: Optically-driven organic nano-step actuator for reconfigurable photonic circuits
Optically-driven organic nano-step actuator for reconfigurable photonic circuits Open
View article: Self-induced optical non-reciprocity
Self-induced optical non-reciprocity Open
View article: Multifunctional metalens for trapping and characterizing single atoms
Multifunctional metalens for trapping and characterizing single atoms Open
Precise control and manipulation of neutral atoms are essential for quantum technologies but largely dependent on conventional bulky optical setups. Here, we demonstrate a multifunctional metalens that integrates an achromatic lens with la…
View article: Proposal of quantum repeater architecture based on Rydberg atom quantum processors
Proposal of quantum repeater architecture based on Rydberg atom quantum processors Open
Realizing large-scale quantum networks requires the generation of high-fidelity quantum entanglement states between remote quantum nodes, a key resource for quantum communication, distributed computation and sensing applications. However, …
View article: Standing-wave atom tweezer
Standing-wave atom tweezer Open
We report on the experimental realization of a standing-wave atom tweezer (SWAT) by aligning tightly focused dipole laser beams from a commercial objective lens and a metalens on a chip. By independently tuning the laser intensities of the…
View article: Integrated photonic nonreciprocal devices based on susceptibility-programmable medium
Integrated photonic nonreciprocal devices based on susceptibility-programmable medium Open
The switching and control of optical fields based on nonlinear optical effects are often limited to relatively weak nonlinear susceptibility and strong optical pump fields. Here, an optical medium with programmable susceptibility tensor ba…
View article: Enhancing single-atom loading in tightly confined dipole traps with ancillary dipole beam
Enhancing single-atom loading in tightly confined dipole traps with ancillary dipole beam Open
Single atoms trapped in tightly focused optical dipole traps provide an excellent experimental platform for quantum computing, precision measurement, and fundamental physics research. In this work, we propose and demonstrate a novel approa…
View article: Atom-referenced and stabilized soliton microcomb
Atom-referenced and stabilized soliton microcomb Open
View article: Magnetic-free polarization rotation in an atomic vapor cell
Magnetic-free polarization rotation in an atomic vapor cell Open
Magnetic-free nonreciprocal optical devices have attracted great attention in recent years. Here, we investigated the magnetic-free polarization rotation of light in an atom vapor cell. Two mechanisms of magnetic-free nonreciprocity have b…
View article: Atom-referenced on-chip soliton microcomb
Atom-referenced on-chip soliton microcomb Open
For the applications of the frequency comb in microresonators, it is essential to obtain a fully frequency-stabilized microcomb laser source. Here, we demonstrate an atom-referenced stabilized soliton microcomb generation system based on t…
View article: Self-induced optical non-reciprocity
Self-induced optical non-reciprocity Open
Non-reciprocal optical components are indispensable in optical applications, and their realization without any magnetic field arose increasing research interests in photonics. Exciting experimental progress has been achieved by either intr…
View article: Controllable atomic collision in a tight optical dipole trap
Controllable atomic collision in a tight optical dipole trap Open
Single atoms are interesting candidates for studying quantum optics and quantum information processing. Recently, trapping and manipulation of single atoms using tight optical dipole traps have generated considerable interest. Here we repo…
View article: Nonlinear optical radiation of a lithium niobate microcavity
Nonlinear optical radiation of a lithium niobate microcavity Open
The nonlinear optical radiation of an integrated lithium niobate microcavity is demonstrated, which has been neglected in previous studies of nonlinear photonic devices. We find that the nonlinear coupling between confined optical modes on…
View article: Planar Integrated Magneto Optical Trap
Planar Integrated Magneto Optical Trap Open
The magneto-optical trap (MOT) is an essential tool for collecting and preparing cold atoms with a wide range of applications. We demonstrate a planar-integrated MOT by combining an optical grating chip with a magnetic coil chip. The flat …
View article: Cavity-enhanced optical controlling based on three-wave mixing in cavity-atom ensemble system
Cavity-enhanced optical controlling based on three-wave mixing in cavity-atom ensemble system Open
Cavity-enhanced optical controlling is experimentally observed with a low-control laser power in a cavity-atom ensemble system. Here, the three-level atoms are coupled with two optical modes of a Fabry-Perot cavity, where a new theoretical…
View article: Infrared laser locking to a rubidium saturated absorption spectrum via a photonic chip frequency doubler
Infrared laser locking to a rubidium saturated absorption spectrum via a photonic chip frequency doubler Open
To extend the coherence of quantum transitions for laser locking, as well as increase the compactness and stability of the experimental setup, we propose to utilize photonic integrated resonators with high second-harmonic (SH) generation e…
View article: Doubly-resonant-cavity electromagnetically induced transparency
Doubly-resonant-cavity electromagnetically induced transparency Open
We present an experimental study on the cavity-atom ensemble system, and realize the doubly-resonant cavity enhanced electromagnetically induced transparency, where both the probe and control lasers are resonant with a Fabry-Perot cavity. …