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Volume 14 Issue 12，2025
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Abstract：A recent research reports on chip-fiber-chip quantum teleportation of time-bin-encoded qubits over a 12.3 km optical fiber link within a star-topology quantum network, composed of an on-chip accommodated user node, relay node and a central node. An active feedback optimization scheme is embedded to ensure highly stable Bell state measurements.11|11|0Updated：2026-01-05- Abstract：Building a sensitive magnetic field sensor is non-trivial; building a more sensitive one by adding extra loss to the sensor is counterintuitive, but with innovative ideas from non-Hermitian physics like an exceptional point, a new magnetic field sensor first of its kind paves the way for broader applications of similar techniques.6|4|0Updated：2026-01-05
- Abstract：A new type of hybrid cuprous halide (TPP3Cu2Br2) is reported for luminescence lifetime thermometry, featuring both extraordinary water stability and ultrahigh temperature sensitivity. This material overcomes the long-standing trade-off between sensitivity and water resistance in metal halide-based thermometers, opening up new avenues for temperature sensing in humid or aqueous environments.8|8|0Updated：2026-01-05
- Abstract：Holo-tomographic flow cytometry for label-free phenotyping of suspended acute myeloid leukemia blasts is demonstrated. A concave segmentation algorithm is applied to 3D refractive index tomograms to quantify NPM1-mutation-associated cup-like nuclear morphologies, with virtual reality visualization offering engaging immersion. The method enables population-level detection of statistically significant shifts in 3D cell morphology, originally correlating phenotype with genotype.3|8|0Updated：2026-01-05
- Abstract：A novel dispersion-compensation scheme based on double-chirped Bragg mirrors is implemented in a mid-infrared quantum cascade laser. As a result, stable and broadband frequency combs are generated, which are indispensable for high-precision applications in spectroscopy and metrology.5|9|0Updated：2026-01-05
Light People
Abstract：A Journey from Laboratories in China to Germany's prestigious Leibniz University Hannover, where a visionary scientist is shaping the future of semiconductor materials and quantum photonic devices.With an accomplished academic background spanning China, Germany, the Netherlands, and Switzerland, and currently serving as Chair Professor at Leibniz University Hannover, Professor Fei Ding leads his team in developing scalable and practical quantum technologies. His distinguished career is further highlighted by his reception of the prestigious ERC Starting Grant, Consolidator Grant, and Proof-of-Concept Grant.In this issue of Light People, we are honored to feature this exceptional talent—Professor Fei Ding—and explore together the journey of his inspiring and highly accomplished career.5|1|0Updated：2026-01-05Perspective
Abstract：Wireless cellular stimulation has been widely applied for bioengineering and bidirectional communication with the brain. Different technologies, such as photoelectrical stimulation as an alternative to optogenetics, have emerged for a wide range of remote therapeutic applications using light. Metasurfaces enable pixel-wise control of electric field distribution by engineering absorption and wavefront shaping, with responses tuned to incident light polarization, frequency, and phase, offering precise stimulation and wireless control in retinal, cochlear, and cardiac implants. Moreover, by leveraging terahertz (THz) band patches, reconfigurable metasurfaces controlled via FPGA and holography, and virtual reality-assisted designs, these interfaces can revolutionize bioelectronic medicine.9|1|0Updated：2026-01-05Reviews
Abstract：Organic semiconductors (OSCs) have been considered as projecting family of optoelectronic materials broadly investigated for more than 40 years due to capability to tune properties by adjusting chemical structure and simple processing. The OSCs performance has been substantially increased, due to the fast development in design and synthesis. The spectral response of OSCs was extended from ultraviolet (UV) to near infrared (NIR) wavelength region. There are papers reporting detectivity (D*) higher than the physical limits set by signal fluctuations and background radiation. This paper attempts to explain the organic photodetectors' peculiarities when confronted with typical devices dominating the commercial market. To achieve this goal, the paper first briefly describes OSC deposition techniques, diametrically opposed to those used for standard semiconductors. This was followed by a more detailed discussion of basic physical properties, contributing to the photodetectors' performance including absorption coefficient, conduction mechanism, charge generation and charge transport. These effects are very different from those found in inorganic semiconductors (ISCs). The second part of the paper describes the main modes of OSC based photodetectors [photoconductors, photodiodes and field effect transistor photodetectors (FET)] with emphasis on their special features that distinguish them from standard photodetectors. Final part of the paper shows current state-of-the-art of various types/structures of photodetectors and routes for further improvement. The upper detection limit for OSC photodiodes has been shown to be comparable to that for ISC photodiodes with nearly three orders of magnitude variation. The D* overestimates (especially organic based FET phototransistors) were explained.6|7|0Updated：2026-01-05- Abstract：With the rapid advancement of the information age, the demand for multi-dimensional light information detection has significantly increased. Traditional Fourier-transform infrared (FTIR) spectrometers and pooptical power, andlarimeters, due to their bulky structure, are no longer suitable for emerging fields such as medical diagnostics, secure communications, and autonomous driving. As a result, there is a pressing need to develop new miniaturized on-chip devices. The abundant two-dimensional (2D) materials, with their unique light-matter interactions, offer the potential to construct high-dimensional spatial mappings of incident light, paving the way for the development of novel ultra-compact multi-dimensional deep optical sensing technologies. Here, we review the interconnections of multi-dimensional information and their relationship with 2D materials. We then focus on recent advances in the development of novel dimensional detectors based on 2D materials, covering dimensions such as intensity, time, space, polarization, phase angle, and wavelength. Furthermore, we discuss cutting-edge technologies in multi-dimensional fusion detection and highlight future technological prospects, with a particular emphasis on on-chip integration and future development.8|14|0Updated：2026-01-05
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