Article
Physics, Multidisciplinary
Hirofumi Yanagisawa, Markus Bohn, Hirotaka Kitoh-Nishioka, Florian Goschin, Matthias F. Kling
Summary: Single-molecule electron sources, driven by constant electric fields and about 1 nm in size, exhibit unique emission patterns like crosses or two-leaf patterns. By illuminating these sources with femtosecond light pulses, we discovered highly modulated emission patterns originating from single-molecule molecular orbitals, solving a longstanding question. Our simulations achieved subnanometric optical modulation of an electron source through variations in the molecular orbitals of single molecules.
PHYSICAL REVIEW LETTERS
(2023)
Article
Chemistry, Multidisciplinary
Hamza Abudayyeh, Annika Mildner, Dror Liran, Boaz Lubotzky, Lars Lueder, Monika Fleischer, Ronen Rapaport
Summary: Deterministic GHz-rate single photon sources at room temperature were achieved by using a complex monolithic photonic resonator and a circular Bragg antenna, which resulted in a 20-fold emission rate enhancement and record-high directionality, showing great potential for ultrafast light-matter interfaces for quantum technologies.
Article
Environmental Sciences
Nadja Weisshaupt, Matti Leskinen, Dmitri N. Moisseev, Jarmo Koistinen
Summary: Migrant birds rely on environmental and celestial cues for navigation and orientation. This study shows that artificial light affects the concentration and flight directions of migrating birds, causing them to fly at low altitudes and adapt their flight directions according to urban lights.
Article
Optics
Jiayu Zhao, Feifan Zhu, Yongpeng Han, Qining Wang, Li Lao, Xiaofeng Li, Yan Peng, Yiming Zhu
Summary: This study proposes a method of using ubiquitous air as a restorable medium for manipulating light-guiding-light (LGL) signals. By creating plasma filament arrays in the air through femtosecond laser beams, terahertz (THz) pulses can be guided and the all-optical stage can be rapidly reconfigured.
Article
Multidisciplinary Sciences
Alexander Senichev, Zachariah O. Martin, Samuel Peana, Demid Sychev, Xiaohui Xu, Alexei S. Lagutchev, Alexandra Boltasseva, Vladimir M. Shalaev
Summary: Single-photon emitters in silicon nitride (SiN) films grown on silicon dioxide substrates have been observed at room temperature, exhibiting high brightness, stability, linear polarization, and purity. These emitters could originate from specific defect centers in SiN, showing potential for direct, scalable, and low-loss integration with established photonic on-chip platforms.
Article
Physics, Multidisciplinary
Hu Jin-Hu, Lin Dan-Ying, Zhang Wei, Zhang Chen-Shuang, Qu Jun-Le, Yu Bin
Summary: This article introduces an improvement in field of view and resolution in LSFM technology, and demonstrates its effectiveness in three-dimensional high-resolution imaging.
ACTA PHYSICA SINICA
(2022)
Article
Optics
Vikrant Kumar, Keith Behrman, Forest Speed, Catherine A. Saladrigas, Omkar Supekar, Zicong Huang, V. Ictor M. Bright, C. Ristin G. Welle, Diego Restrepo, Juliet T. Gopinath, Emily A. Gibson, Ioannis Kymissis
Summary: Optical sectioning structured illumination microscopy (OS-SIM) utilizes MicroLEDs as a light source to generate required illumination patterns, providing optical sectioning capability in wide-field microscopy. A directly addressable striped microLED microdisplay with 100 rows on a flexible cable is presented as an OS-SIM light source in a benchtop setup. OS-SIM implementation in a benchtop setup demonstrates improved contrast in reconstructed optically sectioned images compared with pseudo-widefield imaging. MicroLED based OS-SIM offers a new capability for deep tissue widefield imaging.
Article
Chemistry, Inorganic & Nuclear
Hui Liu, Kun Zhang, Peng-Fu Gao, Jia-Hua Luo, Yu-Ying Jiang, Meng-Shu Zhou, Ting Li, Xue-Li Zhu, Hong-Ru Fu
Summary: Two Cd-based supramolecular coordination polymers with multiple luminescence emissions, including fluorescence and time- and temperature-dependent ultralong phosphorescence, have been successfully synthesized. One of the compounds exhibits a long-lived afterglow under ambient conditions, while the other shows nearly pure white-light emission. This is the first example of a luminescent coordination polymer with single-phase white-light emission and color-evolution RTP.
INORGANIC CHEMISTRY
(2022)
Article
Optics
Huimin Shi, Jiangyong He, Huiyi Guo, Xiaoqi Liu, Zhi Wang, Yan-Ge Liu
Summary: A stable dual-longitudinal-mode optofluidic microcavity laser based on a hollow-core microstructured optical fiber is proposed and experimentally demonstrated, showing high stability and sensitivity in biosensing and medical diagnosis applications. By adjusting the concentration of Rhodamine B, the laser can operate at dual longitudinal modes with controlled lasing wavelength and power ratio, opening up promising opportunities for diverse applications in integrated photonics.
Article
Biochemical Research Methods
Bingying Chen, Bo-Jui Chang, Philippe Roudot, Felix Zhou, Etai Sapoznik, Madeleine Marlar-Pavey, James B. Hayes, Peter T. Brown, Chih-Wei Zeng, Talley Lambert, Jonathan R. Friedman, Chun-Li Zhang, Dylan T. Burnette, Douglas P. Shepherd, Kevin M. Dean, Reto P. Fiolka
Summary: Structured illumination microscopy (SIM) improves the spatial resolution of fluorescence microscopy, while light-sheet fluorescence microscopy (LSFM) avoids exciting out-of-focus fluorescence. By combining SIM with LSFM using oblique plane microscopy, high-resolution three-dimensional imaging with low phototoxicity can be achieved.
Article
Materials Science, Multidisciplinary
Xiao Ma, Ling Jia, Baozhu Yang, Jipeng Li, Wei Huang, Dayu Wu, Wai-Yeung Wong
Summary: Developing organic single molecule white light emitters with high luminescence efficiency, ultra-long phosphorescence, and excitation-dependent color-tunable emission is a challenging yet intriguing topic. In this study, three simple terpyridine-based derivatives were found to exhibit multiple emissions and color-tunable emissions, with P3 showing a novel combination of bright white light with high quantum yield, ultra-long phosphorescence, and ED color-tunable emission. The integration of monomer, excimer, and intermolecular charge transfer triple-mode emissions in the crystalline state of P3 contributes to its unique emission characteristics, providing a rational strategy for the design of SMWLE and ED color-tunable emission materials. These multifunctional materials have great potential for applications in displays, anti-counterfeiting, and beyond.
JOURNAL OF MATERIALS CHEMISTRY C
(2021)
Article
Optics
Jisoo Kim, Bumjoon Jang, Torsten Wieduwilt, Stephen C. Warren-Smith, Johannes Burger, Stefan A. Maier, Markus A. Schmidt
Summary: This work demonstrates the potential of the optofluidic light cage concept for on-chip fluorescence spectroscopy. The fluorescence light generated in the core of a nanoprinted dual-ring light cage can be efficiently captured and guided to the waveguide ports. This innovative photonic platform shows promise for integrated on-chip spectroscopic devices in various fields.
Article
Materials Science, Multidisciplinary
Shuo Liu, Kezhen Huang, Kaifa Wang, Baolin Wang
Summary: This study investigates the programmable deformation of liquid crystal elastomer plates using IGA and RSDT methods. By using director orientation, position, and intensity of concentrated light as decoders, the deformations of the LCE plates can display various letters.
MECHANICS OF MATERIALS
(2022)
Article
Multidisciplinary Sciences
Karsten B. Dideriksen, Rebecca Schmieg, Michael Zugenmaier, Eugene S. Polzik
Summary: A single-photon source based on room-temperature memory has been demonstrated, with improved purity and storage time of the photonic state. The non-classical correlations between the heralding and the retrieved photons are maintained for an extended period, surpassing previous demonstrations with other room-temperature systems.
NATURE COMMUNICATIONS
(2021)
Article
Optics
Kai Wen, Xiang Fang, Ying Ma, Min Liu, Sha An, JuanJuan Zheng, Tomasz Kozacki, Peng Gao
Summary: Structured illumination microscopy (SIM) is widely used in biological research for its fast imaging speed, minimal invasiveness, super-resolution, and optical sectioning imaging capability. This article introduces a large-field SIM technique that combines a 2D grating and a spatial light modulator (SLM) to achieve a larger imaging field and high-speed digital phase shifting. Experimental results demonstrate an improved resolution in a large field of view.
