1 October 2021, Volume 9, Issue 10, pp. 1881-2131  
29 articles

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Spotlight on Optics

Ultrafast 2 × 2 green micro-LED array for optical wireless communication beyond 5  Gbit/s

Photon. Res. 9(10), 2077-2087 (2021)  View: HTML | PDF

Single-shot 3D tracking based on polarization multiplexed Fourier-phase camera

Photon. Res. 9(10), 1924-1930 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Quantized Fourier ptychography with binary images from SPAD cameras

Photon. Res. 9(10), 1958-1969 (2021)  View: HTML | PDF  [Suppl. Mat. (2)]

Quantitative in situ measurement of optical force along a strand of cleaved silica optical fiber induced by the light guided therewithin

Photon. Res. 9(10), 2016-2023 (2021)  View: HTML | PDF

Hybrid integrated low-noise linear chirp frequency-modulated continuous-wave laser source based on self-injection to an external cavity

Photon. Res. 9(10), 1948-1957 (2021)  View: HTML | PDF

Proposal and demonstration of a controllable Q factor in directly coupled microring resonators for optical buffering applications

Photon. Res. 9(10), 2006-2015 (2021)  View: HTML | PDF

Buildup dynamics of multiple solitons in spatiotemporal mode-locked fiber lasers

Photon. Res. 9(10), 1898-1906 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Terahertz wavefront shaping with multi-channel polarization conversion based on all-dielectric metasurface

Photon. Res. 9(10), 1939-1947 (2021)  View: HTML | PDF

Reconfigurable metasurface-based 1 × 2 waveguide switch

Photon. Res. 9(10), 2104-2115 (2021)  View: HTML | PDF

Ultrastable Gd3+ doped CsPbCl1.5Br1.5 nanocrystals blue glass for regulated and low thresholds amplified spontaneous emission

Photon. Res. 9(10), 1916-1923 (2021)  View: HTML | PDF

Dye-sensitized Er3+-doped CaF2 nanoparticles for enhanced near-infrared emission at 1.5  μm

Photon. Res. 9(10), 2037-2045 (2021)  View: HTML | PDF

Very large group delay in VHF band using coupled high temperature superconducting resonators

Photon. Res. 9(10), 1892-1897 (2021)  View: HTML | PDF

Floating terahertz metamaterials with extremely large refractive index sensitivities

Photon. Res. 9(10), 1970-1978 (2021)  View: HTML | PDF

Direct laser writing spiral Sagnac waveguide for ultrahigh magnetic field sensing

Photon. Res. 9(10), 1984-1991 (2021)  View: HTML | PDF

Dynamically reconfigurable subwavelength optical device for hydrogen sulfide gas sensing

Photon. Res. 9(10), 2060-2067 (2021)  View: HTML | PDF

Highly efficient achromatic subdiffraction focusing lens in the near field with large numerical aperture

Photon. Res. 9(10), 2088-2094 (2021)  View: HTML | PDF

Ultra-compact, high-numerical-aperture achromatic multilevel diffractive lens via metaheuristic approach

Photon. Res. 9(10), 2095-2103 (2021)  View: HTML | PDF

Multiple-quantum-well-induced unipolar carrier transport multiplication in AlGaN solar-blind ultraviolet photodiode

Photon. Res. 9(10), 1907-1915 (2021)  View: HTML | PDF

Highly efficient transparent quantum-dot light-emitting diodes based on inorganic double electron-transport layers

Photon. Res. 9(10), 1979-1983 (2021)  View: HTML | PDF

Resonance and topological singularity near and beyond zero frequency for waves: model, theory, and effects

Photon. Res. 9(10), 2024-2036 (2021)  View: HTML | PDF

Orbital angular momentum mode logical operation using optical diffractive neural network

Photon. Res. 9(10), 2116-2124 (2021)  View: HTML | PDF

Editors' Pick

Measurement-device-independent quantum key distribution for nonstandalone networks

Photon. Res. 9(10), 1881-1891 (2021)  View: HTML | PDF

Characterization and stability measurement of deployed multicore fibers for quantum applications

Photon. Res. 9(10), 1992-1997 (2021)  View: HTML | PDF

Editors' Pick

Narrowband photonic quantum entanglement with counterpropagating domain engineering

Photon. Res. 9(10), 1998-2005 (2021)  View: HTML | PDF

Silicon photonics phase and intensity modulators for flat frequency comb generation

Photon. Res. 9(10), 2068-2076 (2021)  View: HTML | PDF

Structured vortices generated by metasurface holography

Photon. Res. 9(10), 2125-2131 (2021)  View: HTML | PDF

Rectangular single-mode polymer optical fiber for femtosecond laser inscription of FBGs

Photon. Res. 9(10), 1931-1938 (2021)  View: HTML | PDF

Controlling the collective radiative decay of molecular ions in strong laser fields

Photon. Res. 9(10), 2046-2051 (2021)  View: HTML | PDF

Single-mode helical Bragg grating waveguide created in a multimode coreless fiber by femtosecond laser direct writing

Photon. Res. 9(10), 2052-2059 (2021)  View: HTML | PDF