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journal article·2025

Multifunctional microring structures enabled by SiN for advanced optically pumped atomic technologies

Xiaoqin Meng, Zhen Chai, Yuting Xu, Ye Tong, Jie Sun, Xinran Su, Xuelei Wang

Nanoscale· Volume 17· Issue 33
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Source abstract

Abstract

As quantum technology advances, integrated optical chips demonstrate extensive potential in quantum information processing, atomic system measurements, and precision sensing. This paper introduces a design for a highly integrated, robust, and easily fabricated multifunctional silicon nitride (SiN) array microring chip emitter for optically pumped atomic systems. The chip emits uniformly distributed circularly polarized light at 795 nm and vortex light at 778.1 nm (l = 3) with vertical radiation. Experimental results align closely with theoretical calculations. This device is anticipated to simultaneously achieve optical pumping of polarized atoms and laser frequency stabilization in atomic systems, offering a significant direction for developing chip-scale optical emitters in quantum applications. It holds the potential to play a crucial role in atomic clocks, quantum communication, and quantum sensing.
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Research context

OpenAlex topics: Atomic and Subatomic Physics Research · Quantum optics and atomic interactions · Mechanical and Optical Resonators

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Ultra-Weak Magnetic Field Measurement Technology, Ministry of Education, School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, 100191, China

Institute of Large-Scale Scientific Facility and Centre for Zero Magnetic Field Science, Beihang University, Beijing 100191, China

Hangzhou Extremely Weak Magnetic Field National Key Science and Technology Infrastructure Research Institute, Hangzhou 310051, Zhejiang, China

Beihang Hangzhou Innovation Institute, Hangzhou 310052, Zhejiang, China

Hefei National Laboratory, Hefei 230088, Anhui, China

Funding

Natural Science Foundation of Beijing Municipality · National Natural Science Foundation of China · Natural Science Foundation of Zhejiang Province

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