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Related papers: GBT20, a 20.48 Gbps PAM4 Optical Transmitter Modul…

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As modern computing gets continuously pushed up against the von Neumann Bottleneck -- limiting the ultimate speeds for data transfer and computation -- new computing methods are needed in order to bypass this issue and keep our computer's…

The transmission of 2-keV electrons through a polyethylene terephthalate (PET) nanocapillary with a diameter of 800 nm and a length of 10 {\mu}m is studied. The transmitted electrons are detected using a microchannel plate (MCP) with a…

Semi monolithic detector designs with a series of stacked thin monolithic scintillator plates and side readout are an attractive approach for potentially achieving very high performance in a positron emission tomography (PET) scanner. In…

Instrumentation and Detectors · Physics 2025-02-12 Shiv K. Subedi , Simon R. Cherry , Yi Qiang , Peng Peng

To date, no electro-optic platform enables devices with high bandwidth, small footprint, and low power consumption, while also enabling mass production. Here we demonstrate high-yield fabrication of high-speed graphene electro-absorption…

The realization of integrated, high-speed ultraviolet (UV) modulation is pivotal for the advancement of quantum information processing, portable atomic clocks, and secure solar-blind communications. While mature photonic platforms have…

The ATLAS Collaboration will upgrade its semiconductor pixel tracking detector with a new Insertable B-layer (IBL) between the existing pixel detector and the vacuum pipe of the Large Hadron Collider. The extreme operating conditions at…

Instrumentation and Detectors · Physics 2015-06-11 The ATLAS IBL Collaboration

We present the development of the first ultrafast transmission electron microscope (UTEM) driven by localized photoemission from a field emitter cathode. We describe the implementation of the instrument, the photoemitter concept and the…

We propose a low-cost reconfigurable metasurface transmitter to implement generalized polarization-space modulation (GPSM) that has been proposed for next-generation wireless communications. Unlike conventional multiple-input…

Applied Physics · Physics 2021-03-24 John A. Hodge , Kumar Vijay Mishra , Quang M. Nguyen , Amir. I. Zaghloul

We investigate a plasmonic electro-optic modulator with an extinction ratio exceeding 1 dB/um by engineering the optical mode to be in-plane with the graphene layer, and show how lowering the operating temperature enables steeper switching.…

Applied Physics · Physics 2017-09-07 Zhizhen Ma , Rubab Amin , Sikandar Khan , Mohammad Tahersima , Volker J. Sorger

Based on a silicon travelling wave Mach-Zehnder modulator, we demonstrate record 168Gb/s (84Gbaud) and 160Gb/s (80Gbaud) PAM-4 direct detection transmission over 1km and 2km SSMF, respectively, with bit error rates below 20% HD-FEC…

Signal Processing · Electrical Eng. & Systems 2018-12-31 Fan Yang , Yixiao Zhu , Lei Zhang , Xiaoke Ruan , Yanping Li , Fan Zhang

We present a dual-channel optical transmitter (MTx+)/transceiver (MTRx+) for the front-end readout electronics of high-energy physics experiments. MTx+ utilizes two Transmitter Optical Sub-Assemblies (TOSAs) and MTRx+ utilizes a TOSA and a…

Instrumentation and Detectors · Physics 2020-08-25 B. Deng , X. Zhao , W. Zhou , C. Chen , D. Gong , D. Guo , S. Hou , K. Jin , C. Liu , J. Liu , T. Liu , M. Qi , Q. Sun , J. Thomas , X. Le , J. Ye

In many physical experiments and applications with photomultiplier tubes (PMTs), high-speed pulse digitalization is used extensively. The current pulse from a PMT has a rising time of several to a hundred nanoseconds. The current pulse…

Instrumentation and Detectors · Physics 2019-10-08 Tao Xue , Jinfu Zhu , Guanghua Gong , Liangjun Wei , Jianmin Li

A feed-forward photonic neural network (PNN) is tested for chromatic dispersion compensation in Intensity Modulation/Direct Detection optical links. The PNN is based on a sequence of linear and nonlinear transformations. The linear stage is…

Emerging Technologies · Computer Science 2025-02-19 Emiliano Staffoli , Gianpietro Maddinelli , Lorenzo Pavesi

The 30 and 44 GHz Back End Modules (BEM) for the Planck Low Frequency Instrument are broadband receivers (20% relative bandwidth) working at room temperature. The signals coming from the Front End Module are amplified, band pass filtered…

Tunable plasmonic resonances across the visible and near infrared spectra have provided novel ways to develop next-generation nanophotonic devices. In this study, by using optothermally controllable phase-changing material (PCM), we…

Optics · Physics 2017-12-05 Burak Gerislioglu , Arash Ahmadivand , Nezih Pala

We give a description of the design, construction and testing of the 30 and 44 GHz Front End Modules (FEMs) for the Low Frequency Instrument (LFI) of the Planck mission to be launched in 2009. The scientific requirements of the mission…

Wearable biosignal processing applications are driving significant progress toward miniaturized, energy-efficient Internet-of-Things solutions for both clinical and consumer applications. However, scaling toward high-density multi-channel…

Systems and Control · Electrical Eng. & Systems 2023-07-06 Sebastian Frey , Marco Guermandi , Simone Benatti , Victor Kartsch , Andrea Cossettini , Luca Benini

We describe progress and initial results achieved towards the goal of developing integrated multi-conductor arrays of shielded controlled-impedance flexible superconducting transmission lines with ultra-miniature cross sections and wide…

Driven by the growing demand for large-scale artificial intelligence applications, disaggregated compute nodes and high-radix switches in next-generation computing clusters are set to surpass the capacity of current optical interconnect…

New LED-transmitters have been used to develop a new method of fast analog transmission of PMT pulses over large distances. The transmitters, consisting basically of InGaAsP LEDs with the maximum emission of light at 1300 nm, allow the…

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