Laser & Optoelectronics Progress, Volume. 62, Issue 15, 1500002(2025)
Three-Dimensional Photonic Integrated Chips: Quantum Computation and Non-Classical Physics (Invited)
Femtosecond laser fabrication technology enables high-precision three-dimensional (3D) direct writing, allowing the on-demand fabrication of 3D coupled waveguide systems for constructing 3D photonic integrated chips. This review summarizes recent advances in 3D photonic integrated chips based on femtosecond laser direct writing (FLDW) optical waveguides in the fields of photonic quantum computation and non-classical physics. For photonic quantum computation, this review highlights the logic gates for universal photonic quantum computation, quantum-walk-based specialized photonic quantum computation chips, and topologically protected photonic quantum computation chips. For non-classical physics, the review focuses on applications of 3D photonic integrated chips in nonreciprocal photonics, non-Hermitian physics, and non-Abelian physics, exhibiting the exceptional capabilities of 3D photonic integrated chips. Finally, key challenges faced by the practical application of FLDW 3D photonic integrated chips are analyzed and potential solutions for limited integration density, difficult gain implementation, poor tunability, and weak nonlinear response are proposed.
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Ruiqi Wang, Yuliang Tang, Yan Li. Three-Dimensional Photonic Integrated Chips: Quantum Computation and Non-Classical Physics (Invited)[J]. Laser & Optoelectronics Progress, 2025, 62(15): 1500002
Category: Reviews
Received: Apr. 14, 2025
Accepted: May. 28, 2025
Published Online: Aug. 6, 2025
The Author Email: Yan Li (li@pku.edu.cn)
CSTR:32186.14.LOP250995