Results 91 to 100 of about 90,482 (273)

Spin‐Dependent Photoluminescence in Carbon‐Based Quantum Dots

Advanced Materials, EarlyView.
Here we report, for the first time, room‐temperature magneto‐photoluminescence and optically detected electron spin‐resonance in carbon quantum dots (CQD). We perform measurements on a series of amino acid derived CQD at room temperature and demonstrate their sensing potential by detecting paramagnetic molecules in solution.
Erin S. Grant, Joseph F. Olorunyomi, Sam C. Scholten, Islay O. Robertson, Amanda N. Abraham, Nandish H. Srikantamurthy, Billy J. Murdoch, Edwin L. H. Maye, Blanca del Rosal, Alexander J. Healey, Cara M. Doherty, Philipp Reineck, Xavier Mulet, Jean‐Philippe Tetienne, David A. Broadway   +14 more
wiley   +1 more source

Generation and manipulation of entangled photons on silicon chips

Nanophotonics, 2016
Integrated quantum photonics is now seen as one of the promising approaches to realize scalable quantum information systems. With optical waveguides based on silicon photonics technologies, we can realize quantum optical circuits with a higher degree of ...
Matsuda Nobuyuki, Takesue Hiroki
doaj   +1 more source

Characterization of femtosecond laser written waveguides for integrated biochemical sensing [PDF]

, 2007
Fluorescence detection is known to be one of the most sensitive among the different optical sensing techniques. This work focuses on excitation and detection of fluorescence emitted by DNA strands labeled with fluorescent dye molecules that can be ...
Cerullo, G., Dekker, R., Dongre, C., Hoekstra, H.J.W.M., Laporta, P., Martinez-Vazquez, R., Nolli, D., Osellame, R., Pollnau, M.   +8 more
core   +1 more source

Two‐Photon 3D Printing of Functional Microstructures Inside Living Cells

Advanced Materials, EarlyView.
This study demonstrates 3D printing inside living cells by using two‐photon photo‐lithography. A bio‐compatible photoresist is injected into cells and selectively polymerized with a femtosecond laser, creating custom‐shaped intracellular structures with submicron resolution.
Maruša Mur, Aljaž Kavčič, Uroš Jagodič, Rok Podlipec, Matjaž Humar   +4 more
wiley   +1 more source

Emergent Freestanding Complex Oxide Membranes for Multifunctional Applications

Advanced Materials, EarlyView.
This review surveys freestanding oxide membranes and covers fabrication and three pathways for studies and devices: strain‐free and strained membranes, and van der Waals‐integrated heterostructures. We show how coupled oxide responses map onto these routes and cross‐couple to expand behaviors.
Baowen Li, Yanran Liu, Jinjin Liu, Josephine Si Yu See, Kaijian Xing, Dong‐Chen Qi, Xiao Renshaw Wang   +6 more
wiley   +1 more source

High-Extraction-Rate Ta₂O₅-Core/SiO₂-Clad Photonic Waveguides on Silicon Fabricated by Photolithography-Assisted Chemo-Mechanical Etching (PLACE)

Nanomaterials
We demonstrate high-extraction-rate Ta2O5-core/SiO2-clad photonic waveguides on silicon fabricated by the photolithography-assisted chemo-mechanical etching technique.
Jian Liu, Youting Liang, Lang Gao, Chao Sun, Jianglin Guan, Zhe Wang, Zhaoxiang Liu, Zhiwei Fang, Min Wang, Haisu Zhang, Ya Cheng   +10 more
doaj   +1 more source

Optofluidic Planar Optical Cross-Connect Using Nematic Liquid-Crystal Waveguides

IEEE Photonics Journal, 2018
This paper proposes a compact planar optofluidic optical cross-connect (OXC) switch based on electro-optic (EO) waveguides in nematic liquid crystal (NLC).
Tenghao Li, Qingming Chen, Xuming Zhang
doaj   +1 more source

Directional coupler for optical waveguides [PDF]

, 1970
Feasibility study of transmitting optical energy in single mode through photonic waveguides results in a conceptual directional coupler consisting of two types of optical waveguides /a stratified /core/ dielectric and a mirror wall/.
Schineller, E. R., Wilmot, D. W.
core   +1 more source

Transparent Perovskite Light‐Emitting Diodes with Conductive Oxide Top Electrodes

Advanced Materials, EarlyView.
Transparent perovskite light‐emitting diodes (TrPeLEDs) enable simultaneous display and transparency, expanding application possibilities. Using a metal oxide buffer layer and pulsed laser deposition, TrPeLEDs with diverse compositions and architectures are demonstrated.
Michele Forzatti, Sergio Martínez‐Saiz, Morena Cervino, Edoardo Stanzani, Sandra Jenatsch, Qingsen Zeng, Joo Sung Kim, Dong‐Hyeok Kim, Eojin Yoon, Tae‐Woo Lee, Daniel Tordera, Henk J. Bolink   +11 more
wiley   +1 more source