552
J. Eur. Opt. Society-Rapid Publ. 22, 56( 2026)
Nature Commun. 13, 7314( 2022). https:// doi. org / 10.1038 / s41467-022-34818-0.
33 Hur J et al., Evidence of two-source King plot nonlinearity in spectroscopic search for new boson, Phys. Rev. Lett. 128, 163201( 2022). https:// doi. org / 10.1103 / PhysRevLett. 128.163201.
34 Filzinger M et al., Ultralight dark matter search with spacetime separated atomic clocks and cavities, Phys. Rev. Lett. 134, 031001( 2025). https:// doi. org / 10.1103 / PhysRevLett. 134.031001.
35 Door M et al., Probing new bosons and nuclear structure with ytterbium isotope shifts, Phys. Rev. Lett. 134, 063002( 2025). https:// doi. org / 10.1103 / PhysRevLett. 134.063002.
36 Du G, Jordan E, Mehlstäubler TE, Electric field distortions in surface ion traps with integrated nanophotonics, Phys. Rev. Appl. 25( 6)( 2026) 064001. https:// doi. org / 10.1103 / l1cn-28kv.
37 Sun X, Liu H-C, Yariv A, Adiabaticity criterion and the shortest adiabatic mode transformer in a coupled-waveguide system, Opt. Lett. 34, 280( 2009). https:// doi. org / 10.1364 / OL. 34.000280.
38 Lin Y et al., Low-loss broadband bi-layer edge couplers for visible light, Opt. Express 29, 34565( 2021). https:// doi. org / 10.1364 / OE. 435669.
39 Zhang W et al., Buried 3D silicon photonics spot-size convertors, in 2021 IEEE 17th International Conference on Group IV Photonics( GFP), p. 1( 2021). https:// doi. org / 10.1109 / GFP51802.2021.9673849.
40 Dai D, He S, Tsang H-K, Bilevel mode converter between a silicon nanowire waveguide and a larger waveguide, J. Lightwave Technol. 24, 2428( 2006). https:// doi. org / 10.1109 / JLT. 2006.874554.
41 Jia L et al., Efficient suspended coupler with loss less than 1.4 dB between Si-photonic waveguide and cleaved single mode fiber, J. Lightwave Technol. 36, 239( 2018). https:// doi. org / 10.1109 / JLT. 2017.2779863.
42 Yi X et al., Asymmetric bi-level dual-core mode converter for high-efficiency and polarization-insensitive O-band fiber-chip edge coupling: breaking the critical size limitation, Nanophotonics 13, 4149( 2024). https:// doi. org / 10.1515 / nanoph- 2024-0320.
43 Chen Z et al., Modeling dual-SiOxN thin-film edge coupler with ultra-low loss and large alignment tolerance, Photonics 12, 136( 2025). https:// doi. org / 10.3390 / photonics12020136.
44 He A et al., Low loss, large bandwidth fiber-chip edge couplers based on silicon-on-insulator platform, J. Lightwave Technol. 38, 4780( 2020). https:// doi. org / 10.1109 / JLT. 2020.2995544.
45 Marchetti R et al., Coupling strategies for silicon photonics integrated chips, Photon. Res. 7, 201( 2019). https:// doi. org / 10.1364 / PRJ. 7.000201.
46 Mu J et al., Monolithic integration of Al 2 O 3 and Si 3 N 4 toward double-layer active – passive platform, IEEE J. Sel. Top. Quantum Electron. 25, 1( 2019). https:// doi. org / 10.1109 / JSTQE. 2019.2908559.
47 Sakai A, Go H, Baba T, Sharply bent optical waveguide silicon-on-insulator substrate, in Physics and Simulation of Optoelectronic Devices IX( SPIE) 4283, pp. 610 – 618( 2001). https:// doi. org / 10.1117 / 12.432614.
48 Soldano LB, Pennings ECM, Optical multi-mode interference devices based on self-imaging: principles and applications, J. Lightwave Technol. 13, 615( 1995). https:// doi. org / 10.1109 / 50.372474.
49 Taillaert D, Bienstman P, Baets R, Compact efficient broadband grating coupler for silicon-on-insulator waveguides, Opt. Lett. 29, 2749( 2004). https:// doi. org / 10.1364 / OL. 29.002749.
50 Beck GJ, Home JP, Mehta KK, Grating design methodology for tailored free-space beam-forming, J. Lightwave Technol. 42, 4939( 2024). https:// doi. org / 10.1109 / JLT. 2024.3381785.
51 Oton CJ, Long-working-distance grating coupler for integrated optical devices, IEEE Photonics Journal 8, 1( 2016). https:// doi. org / 10.1109 / JPHOT. 2015.2511098.
52 Dietl M et al., Test and characterization of multilayer ion traps on fused silica, Advanced Quantum Technologies 8, e00412( 2025). https:// doi. org / 10.1002 / qute. 202500412.
53 Hattori A et al., Integrated visible-light polarization rotators and splitters for atomic quantum systems, Opt. Lett. 49, 1794( 2024). https:// doi. org / 10.1364 / OL. 509747.
54 Gallacher K et al., Silicon nitride waveguide polarization rotator and polarization beam splitter for chip-scale atomic systems, APL Photon. 7, 046101( 2022). https:// doi. org / 10.1063 / 5.0077738.
55 Momenzadeh M et al., Individual trapped-ion addressing with adjoint-optimized multimode photonic circuits, NPJ Nanophoton. 3, 3( 2026). https:// doi. org / 10.1038 / s44310- 025-00102-4.