83 Hits in 7.0 sec

Hybrid 2D/3D photonic integration for non-planar circuit topologies [article]

Aleksandar Nesic, Matthias Blaicher, Tobias Hoose, Andreas Hofmann, Matthias Lauermann, Yasar Kutuvantavida, Martin Nöllenburg, Sebastian Randel, Wolfgang Freude, Christian Koos
2019 arXiv   pre-print
Complex photonic integrated circuits (PIC) may have strongly non-planar topologies that require waveguide crossings (WGX) when realized in single-layer integration platforms.  ...  We further present a comprehensive graph-theoretical analysis of different n × n SAS circuit topologies.  ...  In this paper we demonstrate a technically simple hybrid 2D/3D photonic integration as an alternative to multi-layer circuits for realizing non-planar circuit topologies.  ... 
arXiv:1901.08309v1 fatcat:tnparoeysnfuhnsgloulbm7mwy

Hybrid 2D/3D Photonic Integration for Non-Planar Circuit Topologies

Aleksander Nesic, Matthias Blaicher, Tobias Hoose, Matthias Lauermann, Yasar Kutuvantavida, Wolfgang Freude, Christian Koos
We present a concept for realizing crossing-free photonic integrated circuits (PIC) using 3D freeform waveguides.  ...  We prove the viability of the approach using a silicon photonic 4 x 4 switch-andselect device. The method is applicable to a wide range of PIC technologies.  ...  Introduction Photonic integrated circuits (PIC) are often described as the optical analogue of electrical integrated circuits (EIC).  ... 
doi:10.5445/ir/1000061941 fatcat:bolrmclygjf5tadnrf44xnuvo4

Heterogeneous 2D/3D photonic integrated microsystems

S. J. Ben Yoo, Binbin Guan, Ryan P. Scott
2016 Microsystems & Nanoengineering  
Through these examples, we show that heterogeneous 2D/3D photonic integration retains the advantages of 2D PICs and 3D waveguides, which can potentially benefit many other applications.  ...  Similar to the trend we have observed in electronic integrated circuit development, we are witnessing a growing trend in 3D photonic integrated circuits (PICs) development in addition to that in 2D PICs  ...  EXAMPLES OF 2D/3D INTEGRATED SYSTEMS 2D/3D integrated OAM multiplexers Here we visit applications of heterogeneous integrated 2D and 3D systems.  ... 
doi:10.1038/micronano.2016.30 pmid:31057828 pmcid:PMC6444722 fatcat:hooqmoq6djg3dfv35ils4ifyve

Photonic-integrated circuits with non-planar topologies realized by 3D-printed waveguide overpasses

Aleksandar Nesic, Matthias Blaicher, Tobias Hoose, Andreas Hofmann, Matthias Lauermann, Yasar Kutuvantavida, Martin Nöllenburg, Sebastian Randel, Wolfgang Freude, Christian Koos
2019 Optics Express  
Complex photonic-integrated circuits (PIC) may have strongly non-planar topologies that require waveguide crossings (WGX) when realized in single-layer integration platforms.  ...  We further present a comprehensive graph-theoretical analysis of different n × n SAS circuit topologies.  ...  In this paper we demonstrate hybrid 2D/3D photonic integration based on direct-write laser lithography as an alternative approach for realizing non-planar circuit topologies.  ... 
doi:10.1364/oe.27.017402 fatcat:5ow6fh6ax5gplblesbko2pevk4

Electronically Tunable Ferroelectric Devices for Microwave Applications [chapter]

Stanis Courreges, Zhiyong Zhao, Kwang Choi, Andrew Hunt, John Papapolymerou
2010 Microwave and Millimeter Wave Technologies from Photonic Bandgap Devices to Antenna and Applications  
We have used a hybrid design scheme to simulate the circuit, which saves simulation time and memory used.  ...  Fast calculations were computed with 2D/3D analysis software developed at XLIM research institute (France), which takes into account the effects of inhomogeneous layers (ferroelectric thin-film and substrate  ... 
doi:10.5772/9048 fatcat:6jernynfwbc53e36zgpesrbksi

Software defined elastic optical networking in temporal, spectral, and spatial domains

S. J. Ben Yoo, Lei Liu, Roberto Proietti, Ryan P. Scott
2014 Photonic network communications  
This paper discusses architecture, protocol, technologies, systems, and networking testbed for softwaredefined elastic optical networking in temporal, spectral, and spatial domains.  ...  OpenFlow-based 3D-EON testbed at UC Davis includes optical supervisory channel with optical performance monitoring for software-defined networking with an adaptive observe-analyze-act cycle.  ...  The recent successful OAM transmission and switching experiments Fig. 6 a 6 Concept of the OAM photonic integrated circuit. b Conceptual view of the 2D-3D hybrid integrated device for OAM mux/demux.  ... 
doi:10.1007/s11107-014-0448-0 fatcat:na4peuznubdb5clbxhxawai6ym

Front Matter: Volume 9655

2015 Fifth Asia-Pacific Optical Sensors Conference  
The publisher is not responsible for the validity of the information or for any outcomes resulting from reliance thereon.  ...  Please use the following format to cite material from this book: Publication of record for individual papers is online in the SPIE Digital Library.  ...  on liquid crystal infiltrated photonic crystal fibers [9655-94] 9655 1X vi Proc. of SPIE Vol. 9655 965501-6 Grating decoupler of channel plasmon polariton waveguide for optical intergrated circuit  ... 
doi:10.1117/12.2203414 fatcat:pyc3tntygnbolb5ob5uhsvlvmq

Mechanism, Material, Design, and Implementation Principle of Two-Dimensional Material Photodetectors

Cheng Yang, Guangcan Wang, Maomao Liu, Fei Yao, Huamin Li
2021 Nanomaterials  
Nevertheless, their absorbance is relatively low, and it is difficult for a single material to cover a wide spectrum.  ...  Therefore, the combination of phototransistors based on 2D hybrid structures with other material platforms, such as quantum dots, organic materials, or plasma nanostructures, exhibit ultra-sensitive and  ...  A built-in electric field will appear near the 2D/3D structural interface, limiting the recombination of photogenerated carriers. This provides a new path for designing fast response devices.  ... 
doi:10.3390/nano11102688 pmid:34685129 pmcid:PMC8537528 fatcat:ontvpvrf5fcm7hjm4zsso7mzeq

Writing 3D Nanomagnets Using Focused Electron Beams

Amalio Fernández-Pacheco, Luka Skoric, José María De Teresa, Javier Pablo-Navarro, Michael Huth, Oleksandr V. Dobrovolskiy
2020 Materials  
FEBID is thus a powerful tool for 3D nanomagnetism which enables unique fundamental studies involving complex 3D geometries, as well as nano-prototyping and specialized applications compatible with low  ...  In this focused review, we discuss recent developments of this technique for applications in 3D nanomagnetism, namely the substantial progress on FEBID computational methods, and new routes followed to  ...  Chumak for discussions. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/ma13173774 pmid:32859076 pmcid:PMC7503546 fatcat:djchipukmrfo5juoxqdxofqexa

Experimental evaluation and comparison of time-multiplexed multi-FPGA routing architectures

Asmeen Kashif, Mohammed A. S. Khalid
2016 2016 IEEE 59th International Midwest Symposium on Circuits and Systems (MWSCAS)  
Figure 5.1: Comparison of interconnection length distribution for 2D & 3D architectures [56] According to [63] , in a 2D planar MFS platform, the nominal PCB trace length for pointto-point data signal  ...  Benefits of optical communication have also been studied in the integration of FPGA and non-FPGA devices.  ... 
doi:10.1109/mwscas.2016.7869975 dblp:conf/mwscas/KashifK16 fatcat:hgpls6pryvfvpnsbwnvxup6o34

3D printing: an emerging tool for novel microfluidics and lab-on-a-chip applications

Alireza Ahmadian Yazdi, Adam Popma, William Wong, Tammy Nguyen, Yayue Pan, Jie Xu
2016 Microfluidics and Nanofluidics  
emerging applications in the past 2 years and provide our perspectives on possible future directions. 3D microfluidics Complicated 3D microproducts such as medical devices, microoptical systems, and integrated  ...  We foresee widespread utilization of 3D printing for future developments in microfluidic engineering and lab-on-achip technology.  ...  Bhargava and co-workers have exploited this analogy to construct an interchangeable library of generic microfluidic parts, including mixers, chip-to-world interfaces, 2D/3D junctions, and integrated IR  ... 
doi:10.1007/s10404-016-1715-4 fatcat:q5gfogi2dzg2djza4wlksmivha

Microwave photonics with superconducting quantum circuits

Xiu Gu, Anton Frisk Kockum, Adam Miranowicz, Yu-xi Liu, Franco Nori
2017 Physics reports  
In the past 20 years, impressive progress has been made both experimentally and theoretically in superconducting quantum circuits, which provide a platform for manipulating microwave photons.  ...  For instance, the interaction between superconducting quantum circuits and single microwave photons can reach the regimes of strong, ultra-strong, and even deep-strong coupling.  ...  Acknowledgements We thank Ze-Liang Xiang and Sergey Shevchenko for helpful discussions. X.G. and Y.X.  ... 
doi:10.1016/j.physrep.2017.10.002 fatcat:2lmch2hhbzguxfcrip6hah34je

Understanding macroscale functionality of metal halide perovskites in terms of nanoscale heterogeneities

Tze-Bin Song, Ian D Sharp, Carolin M Sutter-Fella
2018 Journal of Physics: Energy  
These are compared to the electrical Voc values reported for solar cell devices as a function of the absorber bandgap for different perovskite compositions including multi-cation and mixed 2D-3D Recently  ...  KCsFAMAPbI3-xBrx) facilitate higher conversion efficiency and wider processing windows and synthesis protocols (as demonstrated for CsMAFA over MAFA 105 Similarly, 2D-3D perovskite compositions show  ... 
doi:10.1088/2515-7655/aaeee5 fatcat:mum3jpqgdbbpjd7rsltoh7fr5e

Table of Contents

2019 Journal of Physics, Conference Series  
The PEH is designed for high electromechanical coupling resulting in the separation of the open-circuit and short-circuit resonance frequencies.  ...  We designed, developed and demonstrated a fullyenclosed wrist-wearable hybrid nanogenerator for harvesting diverse human wrist motions and sustainably power those wearable electronic devices and sensors  ...  a 2D/3D charge-ring/cylinder (with geometrical extension) is considered.  ... 
doi:10.1088/1742-6596/1407/1/011002 fatcat:5ttgm2jqtfgr3jf55i22inzuq4

DNA origami

Swarup Dey, Chunhai Fan, Kurt V. Gothelf, Jiang Li, Chenxiang Lin, Longfei Liu, Na Liu, Minke A. D. Nijenhuis, Barbara Saccà, Friedrich C. Simmel, Hao Yan, Pengfei Zhan
2021 Nature Reviews Methods Primers  
We identify challenges for the field, including size limits, stability issues and the scale of production, and discuss their possible solutions.  ...  Recently, novel methods caDNAno Semi-automated Wireframes No Manual design No 2D 3D 2D 3D Adenita ATHENA a DNA origami design c Annealing d Purification b Staple strands e Characterization  ...  B | Representative 2D planar DNA origami shapes 7 .  ... 
doi:10.1038/s43586-020-00009-8 fatcat:jbd3oqwy4nhidbbhl5sqfeabey
« Previous Showing results 1 — 15 out of 83 results