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1,400 Results Found

  • Article
  • Open Access
4 Citations
3,866 Views
12 Pages

19 August 2019

In this paper, the cm-level photonic-crystal-like subwavelength waveguide platform is developed and analyzed by using the finite-difference time-domain method. The configuration can be considered as a hybrid waveguide combining with the advantages of...

  • Article
  • Open Access
8 Citations
3,163 Views
13 Pages

21 June 2021

Vacuum crystallization with subsequent solid–liquid separation is a suitable method to produce and separate the temperature-sensitive protein lysozyme. The conventional process is performed batch-wise and on different devices, which in turn leads to...

  • Article
  • Open Access
4 Citations
5,019 Views
9 Pages

19 April 2018

A fully vectorial algorithm based on the surface integral equation method for the modelling of leaky modes in photonic crystal fibers (PCFs) by solely solving the complex propagation constants of characteristic equations is presented. It can be used...

  • Article
  • Open Access
4 Citations
2,040 Views
17 Pages

Polymer-Grade Bio-Monomers from Oleochemicals by Combining Homogeneous Catalysis and Selective Product Crystallization in an Integrated Process

  • Astrid Ina Seifert,
  • Hannes Wolfgang Wegener,
  • Katharina Brühl,
  • Thomas Seidensticker and
  • Kerstin Wohlgemuth

28 September 2023

The homogeneously catalyzed methoxycarbonylation of bio-based methyl 10-undecenoate (C11-DME) produces linear 1,12-dimethyl dodecanedioate (l-C12-DME). Subsequent selective product crystallization from the reaction mixture with downstream filtration...

  • Article
  • Open Access
18 Citations
6,359 Views
15 Pages

12 October 2015

A miniature quartz crystal microbalance (mQCM) was integrated with a polydimethylsiloxane (PDMS) microfluidic device for on-chip determination of amyloid polypeptide–Aβ42. The integration techniques included photolithography and plasma coupling. Aβ42...

  • Article
  • Open Access
4 Citations
3,059 Views
19 Pages

Simulation of TSV Protrusion in 3DIC Integration by Directly Loading on Coarse-Grained Phase-Field Crystal Model

  • Xiaoting Luo,
  • Zhiheng Huang,
  • Shuanjin Wang,
  • Min Xiao,
  • Yuezhong Meng,
  • Hui Yan,
  • Qizhuo Li and
  • Gang Wang

As thermal management in 3DIC integration becomes increasingly important in advanced semiconductor node processes, novel experimental and modeling approaches are in great demand to reveal the critical material issues involving multiscale microstructu...

  • Article
  • Open Access
2 Citations
2,995 Views
12 Pages

Optimization of Sacrificial Layer Etching in Single-Crystal Silicon Nano-Films Transfer Printing for Heterogeneous Integration Application

  • Jiaqi Zhang,
  • Yichang Wu,
  • Guofang Yang,
  • Dazheng Chen,
  • Jincheng Zhang,
  • Hailong You,
  • Chunfu Zhang and
  • Yue Hao

16 November 2021

As one of the important technologies in the field of heterogeneous integration, transfer technology has broad application prospects and unique technical advantages. This transfer technology includes the wet chemical etching of a sacrificial layer, su...

  • Article
  • Open Access
5 Citations
10,970 Views
19 Pages

1 March 2023

In the design of photonic integrated circuits (PICs), the optical connections of the PIC surface, along with the electronic components of the chips, are significant issues. One of the optoelectronics components that utilizes these surface connections...

  • Article
  • Open Access
8 Citations
4,957 Views
17 Pages

24 May 2022

Volatile markets and increasing demands for quality and fast availability of specialty chemical products have motivated the rise of small-scale, integrated, and modular continuous processing plants. As a significant unit operation used for product is...

  • Communication
  • Open Access
14 Citations
4,356 Views
11 Pages

Sapphire Photonic Crystal Waveguides with Integrated Bragg Grating Structure

  • Stefan Kefer,
  • Gian-Luca Roth,
  • Julian Zettl,
  • Bernhard Schmauss and
  • Ralf Hellmann

This contribution demonstrates photonic crystal waveguides generated within bulk planar sapphire substrates. A femtosecond laser is used to modify the refractive index in a hexagonal pattern around the pristine waveguide core. Near-field measurements...

  • Article
  • Open Access
2 Citations
3,131 Views
13 Pages

Crystallization of Ethylene Plant Hormone Receptor—Screening for Structure

  • Buket Rüffer,
  • Yvonne Thielmann,
  • Moritz Lemke,
  • Alexander Minges and
  • Georg Groth

20 March 2024

The plant hormone ethylene is a key regulator of plant growth, development, and stress adaptation. Many ethylene-related responses, such as abscission, seed germination, or ripening, are of great importance to global agriculture. Ethylene perception...

  • Review
  • Open Access
29 Citations
4,318 Views
17 Pages

18 September 2021

Liquid crystals are interesting linear and nonlinear optical materials used to make a wide variety of devices beyond flat panel displays. Liquid crystalline materials can be used either as core or as cladding of switchable/reconfigurable waveguides w...

  • Article
  • Open Access
5 Citations
3,271 Views
8 Pages

Design of Waveguide Polarization Convertor Based on Asymmetric 1D Photonic Crystals

  • Fu-Li Hsiao,
  • Chia-Ying Ni,
  • Ying-Pin Tsai,
  • Ting-Wei Chiang,
  • Yen-Tung Yang,
  • Cheng-Jui Fan,
  • Hsuan-Ming Chang,
  • Chien-Chung Chen,
  • Hsin-Feng Lee and
  • Bor-Shyh Lin
  • + 2 authors

18 July 2022

Photonic crystals possess metastructures with a unique dispersion relation. An integrated optical circuit plays a crucial role in quantum computing, for which miniaturized optical components can be designed according to the characteristics of photoni...

  • Article
  • Open Access
11 Citations
2,756 Views
11 Pages

9 April 2021

Increasing global competition, volatile markets and the demand for individual products challenge companies in almost all business sectors and require innovative solutions. In the chemical and pharmaceutical industries, these include modular design, t...

  • Article
  • Open Access
4 Citations
3,448 Views
26 Pages

Small-Scale Solids Production Plant with Cooling Crystallization, Washing, and Drying in a Modular, Continuous Plant

  • Stefan Höving,
  • Thomas Schmidt,
  • Maximilian Peters,
  • Hendrik Lapainis and
  • Norbert Kockmann

15 August 2023

Small-scale continuous apparatuses for solid product manufacturing are receiving increasing interest due to the demand for the fast market availability of specialty chemical products manufactured in integrated and modular processing plants. Relevant...

  • Feature Paper
  • Article
  • Open Access
32 Citations
5,536 Views
12 Pages

18 December 2019

Ion-doped crystal-based compact devices capable of beam splitting and coupling are enthralling for a broad range of classical and quantum integrated photonics applications. In this work, we report on the fabrication of depressed-cladding waveguide 2D...

  • Article
  • Open Access
1 Citations
2,109 Views
10 Pages

High-Precision Temperature Control of Laser Crystals

  • Xiang Zhang,
  • Hang Xu,
  • Liwen Feng,
  • Zhongqi Liu,
  • Tianyi Wang,
  • Jinqiang Xu,
  • Shengwen Quan and
  • Senlin Huang

Temperature control is important in second harmonic generation (SHG) based on non-critical phase matching, which is widely used in the accelerator field to generate drive lasers. To further improve the stability of the drive laser for the DC-SRF phot...

  • Review
  • Open Access
17 Citations
12,073 Views
20 Pages

Transfer Printed Nanomembranes for Heterogeneously Integrated Membrane Photonics

  • Hongjun Yang,
  • Deyin Zhao,
  • Shihchia Liu,
  • Yonghao Liu,
  • Jung-Hun Seo,
  • Zhenqiang Ma and
  • Weidong Zhou

13 November 2015

Heterogeneous crystalline semiconductor nanomembrane (NM) integration is investigated for single-layer and double-layer Silicon (Si) NM photonics, III-V/Si NM lasers, and graphene/Si NM total absorption devices. Both homogeneous and heterogeneous int...

  • Article
  • Open Access
1 Citations
2,236 Views
14 Pages

Analysis of SiNx Waveguide-Integrated Liquid Crystal Platform for Wideband Optical Phase Shifters and Modulators

  • Pawaphat Jaturaphagorn,
  • Nattaporn Chattham,
  • Worawat Traiwattanapong and
  • Papichaya Chaisakul

9 November 2024

In this study, the potential of employing SiNx (silicon nitride) waveguide platforms to enable the use of liquid-crystal-based phase shifters for on-chip optical modulators was thoroughly investigated using 3D-FDTD (3D finite-difference time-domain)...

  • Letter
  • Open Access
6 Citations
3,216 Views
10 Pages

Design of a Curved Shape Photonic Crystal Taper for Highly Efficient Mode Coupling

  • Reyhaneh Jannesari,
  • Thomas Grille,
  • Cristina Consani,
  • Gerald Stocker,
  • Andreas Tortschanoff and
  • Bernhard Jakoby

15 January 2021

The design and modeling of a curved shape photonic crystal taper consisting of Si rods integrated with a photonic crystal waveguide are presented. The waveguide is composed of a hexagonal lattice of Si rods and optimized for CO2 sensing based on abso...

  • Article
  • Open Access
1 Citations
1,278 Views
10 Pages

With the rising demand for the transmission of large amounts of information over long distances, the development of integrated light circuits is the key to improving this technology, and silicon photonics have been developed with low absorption in th...

  • Article
  • Open Access
2 Citations
2,611 Views
13 Pages

Organic semiconductors are the focus of numerous studies; they are used in electronic devices. Modern research involves the production of neuromorphic organic materials, including those based on liquid crystal materials. The purpose of this work invo...

  • Review
  • Open Access
13 Citations
6,951 Views
22 Pages

Silicon and Silicon Carbide Recrystallization by Laser Annealing: A Review

  • Daniele Arduino,
  • Stefano Stassi,
  • Chiara Spano,
  • Luciano Scaltrito,
  • Sergio Ferrero and
  • Valentina Bertana

16 December 2023

Modifying material properties within a specific spatial region is a pivotal stage in the fabrication of microelectronic devices. Laser annealing emerges as a compelling technology, offering precise control over the crystalline structure of semiconduc...

  • Communication
  • Open Access
5 Citations
2,607 Views
10 Pages

Superconducting Electronic–Photonic Platform for HEB-Based Terahertz Spectrometers

  • Alexander Shurakov,
  • Ivan Belikov,
  • Anatoliy Prikhodko,
  • Margarita Ershova and
  • Gregory Goltsman

10 May 2023

Terahertz photonic integrated circuits are becoming popular in ultrafast on-chip signal generation and processing. They outperform assemblies of electronic devices making use of metallic waveguides in term of both fabrication complexity and system lo...

  • Review
  • Open Access
44 Citations
8,736 Views
15 Pages

Light detection and ranging (LiDAR), combining traditional radar technology with modern laser technology, has much potential for applications in navigation, mapping, and so on. Benefiting from the superior performance, an all-solid-state beam steerin...

  • Article
  • Open Access
47 Citations
8,248 Views
14 Pages

4 July 2012

An isostructural series of anion radical salts, β'-(EtxMe4−xZ)[Pd(dmit)2]2 (x = 0–2, Z = P, As, Sb), with a quasi-triangular lattice comprising the dimer unit [Pd(dmit)2]2− belong to a strongly correlated electron system with geometrical frustration....

  • Review
  • Open Access
15 Citations
5,989 Views
11 Pages

In-Plane Monolithic Integration of Scaled III-V Photonic Devices

  • Markus Scherrer,
  • Noelia Vico Triviño,
  • Svenja Mauthe,
  • Preksha Tiwari,
  • Heinz Schmid and
  • Kirsten E. Moselund

21 February 2021

It is a long-standing goal to leverage silicon photonics through the combination of a low-cost advanced silicon platform with III-V-based active gain material. The monolithic integration of the III-V material is ultimately desirable for scalable inte...

  • Article
  • Open Access
20 Citations
9,515 Views
12 Pages

Integration of Single-Photon Sources and Detectors on GaAs

  • Giulia Enrica Digeronimo,
  • Maurangelo Petruzzella,
  • Simone Birindelli,
  • Rosalinda Gaudio,
  • Sartoon Fattah Poor,
  • Frank W.M. Van Otten and
  • Andrea Fiore

21 October 2016

Quantum photonic integrated circuits (QPICs) on a GaAs platform allow the generation, manipulation, routing, and detection of non-classical states of light, which could pave the way for quantum information processing based on photons. In this article...

  • Feature Paper
  • Article
  • Open Access
14 Citations
4,895 Views
9 Pages

Topological Nanophotonic Wavelength Router Based on Topology Optimization

  • Hongyi Yuan,
  • Zhouhui Liu,
  • Maoliang Wei,
  • Hongtao Lin,
  • Xiaoyong Hu and
  • Cuicui Lu

30 November 2021

The topological nanophotonic wavelength router, which can steer light with different wavelength signals into different topological channels, plays a key role in optical information processing. However, no effective method has been found to realize su...

  • Feature Paper
  • Article
  • Open Access
23 Citations
8,052 Views
15 Pages

Treated Seawater as a Magnesium Source for Phosphorous Recovery from Wastewater—A Feasibility and Cost Analysis

  • Cejna Anna Quist-Jensen,
  • Mads Koustrup Jørgensen and
  • Morten Lykkegaard Christensen

13 December 2016

Conventional resources of phosphorous are at high risk of depletion in the near future due to current practices of its exploitation, thus new and improved exploration methodologies need to be developed to ensure phosphorous security. Today, some trea...

  • Communication
  • Open Access
194 Views
7 Pages

1 December 2025

Building-integrated photovoltaics (BIPVs) can benefit not only from transparent but also from opaque modules that maximize light capture. We present haze-assisted luminescent solar concentrators (HALSCs) that integrate scattering and luminescence in...

  • Article
  • Open Access
12 Citations
6,361 Views
13 Pages

A Temperature-Compensated Single-Crystal Silicon-on-Insulator (SOI) MEMS Oscillator with a CMOS Amplifier Chip

  • Mohammad S. Islam,
  • Ran Wei,
  • Jaesung Lee,
  • Yong Xie,
  • Soumyajit Mandal and
  • Philip X.-L. Feng

29 October 2018

Self-sustained feedback oscillators referenced to MEMS/NEMS resonators have the potential for a wide range of applications in timing and sensing systems. In this paper, we describe a real-time temperature compensation approach to improving the long-t...

  • Article
  • Open Access
2 Citations
1,194 Views
19 Pages

Effect of Bio-Based, Mixed Ester Lubricant in Minimum Quantity Lubrication on Tool Wear and Surface Integrity in Ultra-Precision Fly-Cutting of KDP Crystals

  • Xuelian Yao,
  • Feihu Zhang,
  • Shuai Zhang,
  • Jianfeng Zhang,
  • Defeng Liao,
  • Xiangyang Lei,
  • Jian Wang and
  • Jianbiao Du

Potassium dihydrogen phosphate (KDP) crystals, vital for high-power laser systems, pose significant machining challenges due to their brittleness, low hardness, and hygroscopic properties. Achieving crack-free, high-precision surfaces is essential bu...

  • Article
  • Open Access

Comprehensive Structural and Interfacial Characterization of Laser-Sliced SiC Wafers

  • Hong Chen,
  • Seul Lee,
  • Minseung Kang,
  • Hye Seon Youn,
  • Seongwon Go,
  • Eunsook Kang and
  • Chae-Ryong Cho

14 December 2025

Laser slicing has emerged as a promising low-kerf and low-damage technique for SiC wafer fabrication; however, its effects on the crystal integrity, near-surface modification, and charge-transport properties require further clarification. Here, a hea...

  • Article
  • Open Access
3 Citations
2,138 Views
11 Pages

Silicon Carbide Nanowire Based Integrated Electrode for High Temperature Supercapacitors

  • Shiyu Sha,
  • Chang Liang,
  • Songyang Lv,
  • Lin Xu,
  • Defu Sun,
  • Jiayue Yang,
  • Lei Zhang and
  • Shouzhi Wang

22 August 2024

Silicon carbide (SiC) single crystals have great prospects for high-temperature energy storage due to their robust structural stability, ultrahigh power output, and superior temperature stability. However, energy density is an essential challenge for...

  • Feature Paper
  • Article
  • Open Access
16 Citations
5,498 Views
8 Pages

The distances optical interconnects must cover are decreasing as Internet traffic continues to increase. Since short-reach interconnect applications require many transmitters, cost and power consumption are significant issues. Directly modulated lase...

  • Article
  • Open Access
4 Citations
3,434 Views
15 Pages

15 August 2021

In this study, we developed a high-resolution, more accurate, non-destructive apparatus for refining the detection of electrode pixels in a thin-film-transistor liquid-crystal display (TFT-LCD). The hybrid optoelectronic apparatus simultaneously uses...

  • Review
  • Open Access
22 Citations
17,056 Views
13 Pages

Crystallized intelligence is a pivotal broad ability factor in the major theories of intelligence including the Cattell-Horn-Carroll (CHC) model, the three-stratum model, and the extended Gf-Gc (fluid intelligence-crystallized intelligence) model and...

  • Article
  • Open Access
1,887 Views
13 Pages

4 September 2024

Hyperbolic metamaterials (HMMs) are highly anisotropic materials with the unique property of generating electromagnetic modes. Understanding how these materials can be applied to control the propagation of light waves remains a major focus in photoni...

  • Review
  • Open Access
13 Citations
6,263 Views
47 Pages

Miniaturized Interferometric Sensors with Spectral Tunability for Optical Fiber Technology—A Comparison of Size Requirements, Performance, and New Concepts

  • Hartmut Hillmer,
  • Carsten Woidt,
  • Aliaksei Kobylinskiy,
  • Matthias Kraus,
  • André Istock,
  • Mustaqim S. Q. Iskhandar,
  • Robert Brunner and
  • Thomas Kusserow

13 August 2021

Optical interferometric sensors have acquired significant importance in metrology and information technology, especially in terms of their potential application in launching size, selectivity, sensitivity, resolution, spectral tuning ranges, efficien...

  • Perspective
  • Open Access
1 Citations
2,643 Views
16 Pages

Integrating and Exploiting Molecular, Supramolecular, and Time Crystal Synthons in Advanced Synthesis

  • Indrajit Chakraborty,
  • Tusar Kanti Dutta,
  • Sudipta Ray,
  • Deepak Kumar and
  • Pathik Sahoo

17 October 2024

Molecular reactions occur through functional groups that drive covalent synthesis. These reactions often proceed via catalytic processes, leading to the formation of time crystals, which can be integrated into shared molecules or reactions—a co...

  • Article
  • Open Access
39 Citations
9,290 Views
18 Pages

Process-Structure-Properties-Performance Modeling for Selective Laser Melting

  • Tatu Pinomaa,
  • Ivan Yashchuk,
  • Matti Lindroos,
  • Tom Andersson,
  • Nikolas Provatas and
  • Anssi Laukkanen

24 October 2019

Selective laser melting (SLM) is a promising manufacturing technique where the part design, from performance and properties process control and alloying, can be accelerated with integrated computational materials engineering (ICME). This paper demons...

  • Article
  • Open Access
8 Citations
10,585 Views
27 Pages

A Practical Performance Benchmark of Post-Quantum Cryptography Across Heterogeneous Computing Environments

  • Maryam Abbasi,
  • Filipe Cardoso,
  • Paulo Váz,
  • José Silva and
  • Pedro Martins

The emergence of large-scale quantum computing presents an imminent threat to contemporary public-key cryptosystems, with quantum algorithms such as Shor’s algorithm capable of efficiently breaking RSA and elliptic curve cryptography (ECC). Thi...

  • Article
  • Open Access
31 Citations
5,197 Views
13 Pages

20 January 2020

Tube membrane distillation (MD) integrated with a crystallization method is used in this study for the concurrent productions of pure water and salt crystals from concentrated single and mixed system solutions. The effects of concentrated Zn2+ and Ni...

  • Article
  • Open Access
8 Citations
3,100 Views
10 Pages

Simultaneous Detection of Relative Humidity and Temperature Based on Silicon On-Chip Cascaded Photonic Crystal Nanobeam Cavities

  • Lun Ye,
  • Xiao Liu,
  • Danyang Pei,
  • Jing Peng,
  • Shuchang Liu,
  • Kai Guo,
  • Xiaogang Li,
  • Xuanyu Chen,
  • Xuan Zhang and
  • Daquan Yang

14 December 2021

In this paper, we propose and numerically demonstrate a novel cascaded silicon-on-insulator (SOI) photonic crystal nanobeam cavity (PCNC) dual-parameter sensor for the simultaneous detection of relative humidity (RH) and temperature. The structure co...

  • Article
  • Open Access
1 Citations
4,877 Views
17 Pages

Temperature- and Pressure-Reducing Regimes in the Growth Cell of HPHT Diamonds, Optimal for Preserving Crystal Integrity after Growth Completion

  • Nikolay I. Alekseyev,
  • Anton P. Broyko,
  • Ivan K. Khmelnitskiy,
  • Alexander V. Kolyadin,
  • Vagarshak M. Aivazyan and
  • Ivan V. Oreshko

18 May 2023

With its exceptional strength characteristics, diamond has some mechanical drawbacks, significant brittleness being among them. In particular, some HPHT-grown diamonds crack when the extreme parameters inherent to the diamond growth process gradually...

  • Perspective
  • Open Access
2 Citations
2,648 Views
12 Pages

Multistep flow catalytic reactions in organic chemistry integrate multiple sequential organic reactions to enhance cost-efficiency, time management, and labour resources, all while boosting effectiveness and environmental sustainability. Similar to h...

  • Article
  • Open Access
8 Citations
3,094 Views
14 Pages

Integrated Electrocoagulation, Ultrafiltration, Membrane Distillation, and Crystallization for Treating Produced Water

  • Mahmood Jebur,
  • Yelyzaveta Bachynska,
  • Xiaolei Hao and
  • Sumith Ranil Wickramasinghe

Produced water (PW) generated from hydraulic fracturing operations was treated using an integrated electrocoagulation, ultrafiltration, membrane distillation, and crystallization process (EC UF MDC). The aim was to determine the viability of this int...

  • Communication
  • Open Access
5 Citations
3,283 Views
9 Pages

Improving Low-Dispersion Bandwidth of the Silicon Photonic Crystal Waveguides for Ultrafast Integrated Photonics

  • Jinghan Pan,
  • Meicheng Fu,
  • Wenjun Yi,
  • Xiaochun Wang,
  • Ju Liu,
  • Mengjun Zhu,
  • Junli Qi,
  • Shaojie Yin,
  • Guocheng Huang and
  • Shuyue Zhu
  • + 5 authors

We design a novel slow-light silicon photonic crystal waveguide which can operate over an extremely wide flat band for ultrafast integrated nonlinear photonics. By conveniently adjusting the radii and positions of the second air-holes rows, a flat sl...

  • Article
  • Open Access
16 Citations
5,050 Views
13 Pages

27 April 2020

An integrated biocatalysis-crystallization concept was developed for the continuous amine transaminase-catalyzed synthesis of (S)-1-(3-methoxyphenyl)ethylamine, which is a valuable intermediate for the synthesis of rivastigmine, a highly potent drug...

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