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Deep learning with coherent nanophotonic circuits

Yichen Shen, Nicholas C. Harris, Scott Skirlo, Mihika Prabhu, Tom Baehr-Jones, Michael Hochberg, Xin Sun, Shijie Zhao, Hugo Larochelle, Dirk Englund, Marin Soljačić
2017 Nature Photonics  
However, today's computing hardware is inefficient at implementing neural networks, in large part because much of it was designed for von Neumann computing schemes.  ...  We experimentally demonstrate essential parts of our architecture using a programmable nanophotonic processor.  ...  For example, speech recognition software (e.g., Apple's Siri) is typically executed in the cloud since these computations are too taxing for mobile hardware; realtime image processing is an even more demanding  ... 
doi:10.1038/nphoton.2017.93 fatcat:qukow65kw5h5bhn4ilkedifvpe

Izhikevich-Inspired Optoelectronic Neurons with Excitatory and Inhibitory Inputs for Energy-Efficient Photonic Spiking Neural Networks [article]

Yun-jhu Lee, Mehmet Berkay On, Xian Xiao, Roberto Proietti, S. J. Ben Yoo
2021 arXiv   pre-print
The optoelectronic neurons consist of three transistors acting as electrical spiking circuits, a vertical-cavity surface-emitting laser (VCSEL) for optical spiking outputs, and two photodetectors for excitatory  ...  Utilizing the simulated neuron model, we conducted simulations using fully connected (FC) and convolutional neural networks (CNN).  ...  The authors would like to thank GLOBALFOUNDRIES for providing guidance for 90SIPH-90WG PDK through the 90WG university program.  ... 
arXiv:2105.02809v1 fatcat:qboxgnl4xfd3pbzxrsueeh4f2a

Transformation optics and metamaterials

Alexander V Kildishev, Vladimir M Shalaev
2011 Physics Uspekhi  
We also outline our recent development and deployment of an easy-to-use, multifaceted, on-line research environment for the nanophotonics research community.  ...  In particular, we show representative examples of two online software tools addressing a growing need for efficient numerical simulations in the area of transformation optics.  ...  We also acknowledge computer and IT support from the Network for Computational Nanotechnology, and useful discussions with E E Narimanov.  ... 
doi:10.3367/ufne.0181.201101e.0059 fatcat:xsdmgym4dng5jfkyvbdtju7fl4

Nanophotonic Optical Switching Using Digital Metamaterials and Photochromism [article]

Apratim Majumder, Mark Mondol, Trisha L. Andrew, Rajesh Menon
2019 arXiv   pre-print
Simulations indicate that our best device of dimensions 3umX3um and 0.3um device height can provide about 10dB extinction ratio with a bandwidth of 12nm, centered at the design wavelength of 1550nm.  ...  Three-dimensional finite-difference time-domain analysis in conjunction with a modified version of direct binary search algorithm was used to design the nanophotonic device structure.  ...  One of the disadvantages of DBS is its high computation time. Hence, we chose to parallelize the process using elastic cloud computing on Amazon Web Services servers.  ... 
arXiv:1904.00837v1 fatcat:k5pm73kuh5gp3pkman2elab4te

Nanosystems, Edge Computing, and the Next Generation Computing Systems

Ali Passian, Neena Imam
2019 Sensors  
, the internet of things, and industries related to cloud, fog, and recently edge computing.  ...  We survey the qualitative figures of merit of technologies of current interest for the next generation computing with an emphasis on edge computing.  ...  Unlike cloud computing simulation frameworks (including the cloud-based EdgeCloudSim simulator [116] ), simulators that could be specifically used for modeling the design and behavior of an EC device  ... 
doi:10.3390/s19184048 fatcat:rtjffajkj5h4vfa4v7yuevhdzi

Nanophotonics: Fundamentals, Challenges, Future Prospects and Applied Applications [chapter]

Muhammad Aamir Iqbal, Naila Ashraf, Wajeehah Shahid, Muhammad Awais, Abdullah Khan Durrani, Khurram Shahzad, Mujtaba Ikram
2021 Nonlinear Optics [Working Title]  
Nanophotonics encompasses a wide range of nontrivial physical effects including light-matter interactions that are well beyond diffraction limits, and have opened up new avenues for a variety of applications  ...  Recently, growing expertise of fusing nanotechnology and photonics has become fundamental, arising outskirts, challenging basic experimentation and opportunities for new technologies in our daily lives  ...  Depending on the extent of discretization, computational methodologies have been proposed to simulate the functional behavior of complex nanophotonics structures that do not have an analytical solution  ... 
doi:10.5772/intechopen.98601 fatcat:krn4weejvbbrhnz7af4apf6fky

Unraveling the temperature dynamics and hot electron generation in tunable gap-plasmon metasurface absorbers

Larousse Khosravi Khorashad, Christos Argyropoulos
2022 Nanophotonics  
plasmonic absorbers under various pulsed laser illuminations, an important quantity to derive the ultimate input intensity limits that can be used in various emerging nonlinear optics and other tunable nanophotonic  ...  dependent material properties are used to study the ultrafast transient nonlinear modification in the absorption spectrum before plasmon-induced lattice heating is established leading to efficient tunable nanophotonic  ...  In the current work, the RF module of COMSOL Multiphysics is used for the frequency domain electromagnetic wave simulations.  ... 
doi:10.1515/nanoph-2022-0048 fatcat:swlimudwkjgxlgog3a4rvdopha

Nanophotonic Inverse Design with SPINS: Software Architecture and Practical Considerations [article]

Logan Su, Dries Vercruysse, Jinhie Skarda, Neil V. Sapra, Jan A. Petykiewicz, Jelena Vuckovic
2019 arXiv   pre-print
A computational nanophotonic design library for gradient-based optimization called SPINS is presented.  ...  Borrowing the concept of computational graphs, SPINS is a design framework that emphasizes flexibility and reproducible results.  ...  We acknowledge funding from Gordon and Betty Moore Foundation, and we thank Google for providing computational resources on the Google Cloud Platform.  ... 
arXiv:1910.04829v2 fatcat:mkzojtpfgrevtgxnru4krgzvne

An Ultra-compact Nanophotonic Optical Modulator using Multi-State Topological Optimization [article]

Apratim Majumder, Bing Shen, Randy Polson, Trisha Andrew, Rajesh Menon
2017 arXiv   pre-print
Simulations indicate that our device can provide about 9.5dB extinction ratio with a bandwidth of 10nm, centered at 1.55um, corresponding to extinction ratio per device length of about 3.2dB/μm.  ...  Here, we designed, fabricated and characterized a nanophotonic all optical modulator (NOM) in silicon that is an order of magnitude smaller than any previous silicon modulators, and exhibits an extinction  ...  One of the disadvantages of DBS is its high computation time. Hence, we chose to parallelize the process using cloud computing on Amazon Web Services servers.  ... 
arXiv:1712.02835v1 fatcat:mvlihvtzsnbj3iepelohnmezfq

Transmission of near-resonant light through a dense slab of cold atoms

L. Corman, J. L. Ville, R. Saint-Jalm, M. Aidelsburger, T. Bienaimé, S. Nascimbène, J. Dalibard, J. Beugnon
2017 Physical Review A  
We also describe a theoretical study based on a coupled dipole simulation which is further complemented by a perturbative approach.  ...  We probe the optical response of the cloud as its density and hence the strength of the light-induced dipole-dipole interactions are increased.  ...  Therefore, coupled dipole simulations are not reliable for optically dense slabs with non-zero thickness, for which the aspect ratio of the simulated clouds is far from the experimental situations [38  ... 
doi:10.1103/physreva.96.053629 fatcat:dr5dbwswwnegtmz3wm6oodecve

Unraveling the temperature dynamics and hot electron generation in tunable gap-plasmon metasurface absorbers [article]

Larousse Khosravi Khorashad, Christos Argyropoulos
2022 arXiv   pre-print
plasmonic absorbers under various pulsed laser illuminations, an important quantity to derive the ultimate input intensity limits that can be used in various emerging nonlinear optics and other tunable nanophotonic  ...  dependent material properties are used to study the ultrafast transient nonlinear modification in the absorption spectrum before plasmon-induced lattice heating is established leading to efficient tunable nanophotonic  ...  In the current work, the RF module of COMSOL Multiphysics is used for the frequency domain electromagnetic wave simulations.  ... 
arXiv:2203.15893v1 fatcat:z7usdx7uora3hdr636nhlobiey

6G White Paper on Edge Intelligence [article]

Ella Peltonen, Mehdi Bennis, Michele Capobianco, Merouane Debbah, Aaron Ding, Felipe Gil-Castiñeira, Marko Jurmu, Teemu Karvonen, Markus Kelanti, Adrian Kliks, Teemu Leppänen, Lauri Lovén (+7 others)
2020 arXiv   pre-print
In this white paper, we focus in the domains of edge computing infrastructure and platforms, data and edge network management, software development for edge, and real-time and distributed training of ML  ...  In this white paper we provide a vision for 6G Edge Intelligence.  ...  Another approach for device-level computing is mobile (cloud) computing, where the UE's of users provide ad-hoc shared computational capabilities at a location with offloading to the edge/cloud.  ... 
arXiv:2004.14850v1 fatcat:2gt2fnyqsjemxdxbuclxnrqzwu

Quantum computing and simulation

Juan Ignacio Cirac
2020 Nanophotonics  
AbstractQuantum computers and simulators can have an extraordinary impact on our society.  ...  For instance, one may attempt to find the solution of the problem with different simulators, or with different algorithms to gain confidence about the result.  ...  To do this, it is often not necessary to build a scalable quantum computer, but an analog one is sufficient, called quantum simulators.  ... 
doi:10.1515/nanoph-2020-0351 fatcat:ovtimogg6be3hps6bwxzsfuaq4

Multi-spectral image analysis for improved space object characterization

William Glass, Michael J. Duggin, Raymond A. Motes, Keith A. Bush, Meiling Klein, Edward W. Taylor, David A. Cardimona
2009 Nanophotonics and Macrophotonics for Space Environments III  
The incentives for space-based sensing include improved spatial resolution due to the absence of atmospheric effects and cloud cover and increased flexibility for observations.  ...  Though ground-based optical sensors can use adaptive optics to somewhat compensate for atmospheric turbulence, cloud cover and absorption are unavoidable.  ...  TASAT provides radiometrically sensitive 2D renderings of detailed 3D Computer Aided Design (CAD) satellite models in simulated Earth orbits.  ... 
doi:10.1117/12.827421 fatcat:wtf5mxod65ak7ofd4gij5klfte

Enhanced cooperativity for quantum-nondemolition-measurement–induced spin squeezing of atoms coupled to a nanophotonic waveguide

Xiaodong Qi, Yuan-Yu Jau, Ivan H. Deutsch
2018 Physical Review A  
We study the enhancement of cooperativity in the atom-light interface near a nanophotonic waveguide for application to quantum nondemolition (QND) measurement of atomic spins.  ...  Thus, by proper choice of geometry, the ratio of good to bad scattering can be strongly enhanced for highly anisotropic modes.  ...  We acknowledge the UNM Center for Advanced Research Computing for computational resources used in this study.  ... 
doi:10.1103/physreva.97.033829 fatcat:454jm5mwsbg5vccpq3m6wo2tlq
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