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Related Experiment Video

Updated: Sep 12, 2025

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

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

Xiaoqin Meng1,2,3,4,5, Zhen Chai1,2,3,4,5, Yuting Xu1,2,3,4,5

  • 1Key Laboratory of Ultra-Weak Magnetic Field Measurement Technology, Ministry of Education, School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, 100191, China. zhenchai@buaa.edu.cn.

Nanoscale
|August 6, 2025
PubMed
Summary

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This summary is machine-generated.

This study presents a silicon nitride chip emitter for quantum applications. The device generates specific light patterns for optical pumping and laser stabilization in atomic systems.

Area of Science:

  • Quantum technology
  • Integrated photonics
  • Atomic physics

Background:

  • Integrated optical chips are crucial for advancing quantum information processing, atomic measurements, and precision sensing.
  • Developing chip-scale optical emitters is essential for next-generation quantum applications.

Purpose of the Study:

  • To design a multifunctional silicon nitride (SiN) array microring chip emitter for optically pumped atomic systems.
  • To enable simultaneous optical pumping of polarized atoms and laser frequency stabilization.

Main Methods:

  • Design and fabrication of a silicon nitride (SiN) array microring chip emitter.
  • Characterization of light emission properties, including polarization and wavelength.
  • Experimental validation against theoretical calculations.

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Last Updated: Sep 12, 2025

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Main Results:

  • The chip successfully emits uniformly distributed circularly polarized light at 795 nm.
  • Vortex light at 778.1 nm (l = 3) with vertical radiation was achieved.
  • Experimental results closely matched theoretical predictions.

Conclusions:

  • The developed SiN chip emitter is a highly integrated, robust, and easily fabricated solution for quantum applications.
  • This device offers a significant advancement for chip-scale optical emitters.
  • Potential applications include atomic clocks, quantum communication, and quantum sensing.