Photonics Research, Volume. 10, Issue 10, A135(2022)
Silicon photonic devices for scalable quantum information applications On the Cover
Fig. 1. Solid-state quantum emitters in silicon photonics. (a) Position grown InAs/InP quantum dots on a silicon photonic chip by the pick-and-place technique. Adapted from [59]. (b) Integrate heterogeneous optical components with a transfer-printing-based approach. Adapted from [62]. (c) Atomic structure of the G-center. Adapted from [63]. (d) Si nanopillar including the G-center. Adapted from [64]. (e) Bullseye structures used to enhance vertical coupling of G-centers. Adapted from [65].
Fig. 2. Integrated SNSPDs for single-photon detection. (a) Principle of traveling wave coupling. Adapted from [37]. (b) SNSPD within a high-quality factor microcavity. Adapted from [84]. (c) Cavity-integrated SNSPD. Adapted from [87]. (d) SNSPD implemented in a two-dimensional photonic crystal cavity. Adapted from [88]. (e) A typical chain of single-photon detector segments for signal multiplexing and number resolution. Adapted from [89].
Fig. 3. Wavelength division multiplexing techniques in silicon photonics. (a) Cascaded Mach–Zehnder demultiplexer. Adapted from [105]. (b) The wavelength division multiplexing receiver chip with an integrated arrayed waveguide grating. Adapted from [110]. (c) Coupled five-ring silicon filter. Adapted from [111]. (d) Waveguide Bragg grating add-drop filter. Adapted from [112].
Fig. 4. Mode division multiplexing techniques in silicon photonics. (a) Mode (de)multiplexer with adiabatic taper. Adapted from [125]. (b) Mode (de)multiplexer. Adapted from [126]. (c) Multiport multimode waveguide crossing using a metamaterial-based Maxwell’s fisheye lens. Adapted from [127]. (d) Digital metastructure-based multimode bending. Adapted from [128]. (e) High-speed optical two-mode switch. Adapted from [129]. (f) Reconfigurable optical add-drop multiplexer for hybrid wavelength/mode-division-multiplexing systems. Adapted from [124].
Fig. 5. Silicon photonic modulators at cryogenic temperatures. (a) The plasma dispersion microdisk modulator. Adapted from [138]. (b) The
Fig. 6. Chip interconnection techniques in silicon photonics. (a) Diffraction grating-based coupling structure. Adapted from [35]. (b) The focusing grating. Adapted from [146]. (c) The double-etched apodized waveguide grating coupler. Adapted from [147]. (d) The grating coupler with a single aluminum backside mirror. Adapted from [148]. (e) The mode-size converter as end coupler. Adapted from [149]. (f) Coupler structure. Adapted from [150]. (g) The 3D-printed optical probes on the fiber end faces. Adapted from [151]. (h) Fiber cores and different silicon waveguides connected by photonic wire bonds. Adapted from [152]. (i)
Fig. 7. Multiphoton and high-dimensional applications with silicon photonic devices. (a) Silicon photonic chip for the generation and sampling of quantum states. Adapted from [161]. (b) Coherent pumping of two sources and processing of the emitted photons. Adapted from [47]. (c) Chip-to-chip high-dimensional quantum key distribution based on multicore fiber. Adapted from [187]. (d) Silicon device for multidimensional quantum entanglement. Adapted from [188]. (e) Programmable qudit-based quantum processor. Adapted from [189].
Fig. 8. Quantum error correction with silicon photonic devices. Error-protected qubits for quantum computation. Adapted from [163].
Fig. 9. Quantum key distribution (QKD) with silicon photonic devices. (a) Integrated devices for time-bin encoded BB84. Adapted from [209]. (b) Integrated devices for high-speed measurement-device-independent QKD. Adapted from [216]. (c) Silicon photonics encoder with high-speed electro-optic phase modulators. Adapted from [211]. (d) Detector-integrated on-chip QKD receiver. Adapted from [95].
Fig. 10. Quantum state teleportation with silicon photonic devices. Chip-to-chip quantum teleportation. Adapted from [162].
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Lantian Feng, Ming Zhang, Jianwei Wang, Xiaoqi Zhou, Xiaogang Qiang, Guangcan Guo, Xifeng Ren. Silicon photonic devices for scalable quantum information applications[J]. Photonics Research, 2022, 10(10): A135
Special Issue: NEXT-GENERATION SILICON PHOTONICS
Received: May. 31, 2022
Accepted: Aug. 3, 2022
Published Online: Sep. 21, 2022
The Author Email: Xifeng Ren (renxf@ustc.edu.cn)