DataVXAdvanced MaterialsPaper
journal article·2022-07Open access

Direct Light Orbital Angular Momentum Detection in Mid‐Infrared Based on the Type‐II Weyl Semimetal TaIrTe4 (Adv. Mater. 29/2022)

Jiawei Lai, Junchao Ma, Zipu Fan, Xiaoming Song, Peng Yu, Zheng Liu, Pei Zhang, Yi Shi, Jinluo Cheng, Dong Sun

Advanced Materials· Volume 34· Issue 29
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Source abstract

Abstract

Photodetectors A photodetector based on the type-II Weyl semimetal TaIrTe4 is designed by Dong Sun and co-workers in article number 2201229 to directly detect the orbital angular momentum (OAM) order of the vertex beam in the mid-infrared wavelength. The helical phase gradient of light can be distinguished by a current whose magnitude is proportional to the OAM mode number. This detector can be integrated into a focal plane array that can resolve multiple optical parameters of a target.
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Research context

OpenAlex topics: Advanced Semiconductor Detectors and Materials · Orbital Angular Momentum in Optics · Photonic and Optical Devices

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Affiliations

International Center for Quantum Materials School of Physics Peking University Beijing 100871 China

State Key Laboratory of Precision Measurement Technology and Instruments School of Precision Instruments and Opto‐electronics Engineering Tianjin University Tianjin 300072 China

State Key Laboratory of Optoelectronic Materials and Technologies Guangzhou Key Laboratory of Flexible Electronic Materials and Wearable Devices School of Materials Science and Engineering Sun Yat‐sen University Guangzhou Guangdong 510275 China

Centre for Programmed Materials School of Materials Science and Engineering Nanyang Technological University Singapore 639798 Singapore

Shaanxi Province Key Laboratory of Quantum Information and Quantum Optoelectronic Devices School of Physics Xi'an Jiaotong University Xi'an 710049 China

School of Electronic Science and Engineering Nanjing University Nanjing 210008 China

Changchun Institute of Optics Fine Mechanics and Physics Chinese Academy of Sciences Changchun 130033 China

Collaborative Innovation Center of Quantum Matter Beijing 100871 China

References

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