Source abstract
Abstract
Abstract On‐chip polarization manipulation is proposed via a waveguide that is adiabatically twisted along its longitudinal axis, which can be fundamental building blocks for polarization‐encoded optical communication and information processing. With the help of femtosecond direct laser writing, the polarization rotators for both telecom and visible wavelengths are fabricated, which show polarization conversion efficiencies of >90% at 1550 nm and ≈80% at 646 nm, respectively. Furthermore, a polarization router consisting of multiple waveguides with different twisting angles is demonstrated. With the polarization router, photons with different polarizations are directed to different paths. Based on such platform, the path entanglement between the photons can be transformed to polarization entanglement, which will extend the quantum information technology to higher‐dimensional Hilbert space.
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Research context
OpenAlex topics: Photonic and Optical Devices · Advanced Fiber Laser Technologies · Orbital Angular Momentum in Optics
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Affiliations
State Key Laboratory of Integrated Optoelectronics College of Electronic Science and Engineering Jilin University Changchun 130012 P. R. China
Key Laboratory of Quantum Information of CAS University of Science and Technology of China Hefei Anhui 230026 P. R. China
Synergetic Innovation Center of Quantum Information & Quantum Physics University of Science and Technology of China Hefei Anhui 230026 P. R. China
State Key Laboratory of Precision Measurement Technology and Instruments Department of Precision Instrument Tsinghua University Haidian Beijing 100084 P. R. China
Funding
National Natural Science Foundation of China · Chinese Academy of Sciences
References (46)
Show source-provided references
6. Mower J. · Rev. Écon. · 2015 · 20 · 170
17. Iyer R. · 2006
34. Wang X. · Appl. Phys. Lett. · 2017 · 110 · 1
44. Sun X. Q. · Opt. Appl. · 2010 · 40 · 737