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We demonstrate a fully-integrated multipurpose microwave frequency identification system on silicon-on-insulator platform. Thanks to its multipurpose features, the chip is able to identify different types of microwave signals, including…

Signal Processing · Electrical Eng. & Systems 2022-03-01 Yuhan Yao , Yuhe Zhao , Yanxian Wei , Feng Zhou , Daigao Chen , Yuguang Zhang , Xi Xiao , Ming Li , Jianji Dong , Shaohua Yu , Xinliang Zhang

The development of optical fibers has revolutionized telecommunications by enabling long-distance broad-band transmission with minimal loss. In turn, the ubiquity of high-quality low-cost fibers enabled a number of additional applications,…

Optics · Physics 2017-03-30 Brandon Redding , Mansoor Alam , Martin Seifert , Hui Cao

Development of high-speed, spatial-mapping spectrometers in the millimeter and far-infrared frequencies would enable entirely new research avenues in astronomy and cosmology. An "on-chip" spectrometer is one such technology that could…

Instrumentation and Methods for Astrophysics · Physics 2025-11-05 Matthew A. Koc , Jason Austermann , James Beall , Johannes Hubmayr , Joel N. Ullom , Michael Vissers , Jordan Wheeler

Miniaturized on-chip spectrometers with small footprints, lightweight, and low cost are in great demand for portable optical sensing, lab-on-chip systems, and so on. Such miniaturized spectrometers are usually based on engineered spectral…

Optics · Physics 2024-10-03 Menghan Tian , Baolei Liu , Zelin Lu , Yao Wang , Ze Zheng , Jiaqi Song , Xiaolan Zhong , Fan Wang

We present compact integrated speckle spectrometers based on monofractal and multifractal scattering media in a silicon-on-insulator platform. Through both numerical and experimental studies we demonstrate enhanced optical throughput, and…

Optics · Physics 2023-11-07 Bhupesh Kumar , Yilin Zhu , Luca Dal Negro , Sebastian A. Schulz

Superconducting On-chip Fourier Transform Spectrometers (SOFTS) are broadband, compact and electronic interferometers. Being extremely compact, SOFTS can fit into standard antenna coupled detector architectures. SOFTS will enable kilo-pixel…

Instrumentation and Methods for Astrophysics · Physics 2022-12-21 R. Basu Thakur , A. Steiger , S. Shu , F. Faramarzi , N. Klimovich , P. K. Day , E. Shirokoff , P. D. Mauskopf , P. S. Barry

The subwavelength mode volumes of plasmonic filters are well matched to the small size of state-of-the-art active pixels (~ 1 {\mu}m) in CMOS image sensor arrays used in portable electronic devices. Typical plasmonic filters exhibit broad…

Optics · Physics 2017-11-22 Dagny Fleischman , Luke Sweatlock , Hirotaka Murakami , Harry Atwater

It has recently been shown that silicon nanophotonic waveguides can be used to construct all of the components of a photonic data transmission system on a single chip. These components can be integrated together with CMOS electronics to…

The Graphics Processing Unit (GPU) has become an integral part of astronomical instrumentation, enabling high-performance online data reduction and accelerated online signal processing. In this paper, we describe a wide-band reconfigurable…

Instrumentation and Methods for Astrophysics · Physics 2015-06-23 Jayanth Chennamangalam , Simon Scott , Glenn Jones , Hong Chen , John Ford , Amanda Kepley , D. R. Lorimer , Jun Nie , Richard Prestage , D. Anish Roshi , Mark Wagner , Dan Werthimer

Computational spectrometers are pivotal in enabling low-cost, in-situ and rapid spectral analysis, with potential applications in chemistry, biology, and environmental science. However, filter-based spectral encoding approaches typically…

Frequency-selective readout for superconducting qubits opens the way towards scaling qubit circuits up without increasing the number of measurement lines. Here we demonstrate the readout of an array of 7 flux qubits located on the same…

Superconductivity · Physics 2015-05-27 M. Jerger , S. Poletto , P. Macha , U. Huebner , A. Lukashenko , E. Il'ichev , A. V. Ustinov

The South Pole Telescope Shirokoff Line Intensity Mapper (SPT-SLIM) experiment is a pathfinder for demonstrating the use of on-chip spectrometers for millimeter Line Intensity Mapping. We present spectral bandpass measurements of the SLIM…

Optical beamforming networks (OBFNs) based on optical true time delay lines (OTTDLs) are well-known as the promising candidate to solve the bandwidth limitation of traditional electronic phased array antennas (PAAs) due to beam squinting.…

Up-to-date network telemetry is the key enabler for resource optimization by capacity scaling, fault recovery, and network reconfiguration among other means. Reliable optical performance monitoring in general and, specifically, the…

Photonic integrated circuits (PICs) have emerged as a scalable platform for complex quantum technologies using photonic and atomic systems. A central goal has been to integrate photon-resolving detectors to reduce optical losses, latency,…

Optical spectroscopic sensors are a powerful tool to reveal light-matter interactions in many fields, such as physics, biology, chemistry, and astronomy. Miniaturizing the currently bulky spectrometers has become imperative for the wide…

Recent advances in optical metasurfaces enable control of the wavefront, polarization and dispersion of optical waves beyond the capabilities of conventional diffractive optics. An optical design space that is poised to highly benefit from…

The integration of miniaturized optical spectrometers into mobile platforms will have an unprecedented impact on applications ranging from unmanned aerial vehicles (UAVs) to mobile phones. To address this demand, silicon photonics stands…

Applied Physics · Physics 2018-05-09 Mario C. M. M. Souza , Andrew Grieco , Newton C. Frateschi , Yeshaiahu Fainman

Context. Millimetre-wave astronomy is an important tool for both general astrophysics studies and cosmology. A large number of unidentified sources are being detected by the large field-of-view continuum instruments operating on large…

Instrumentation and Methods for Astrophysics · Physics 2023-03-29 Usasi Chowdhury , Florence Levy-Bertrand , Martino Calvo , Johannes Goupy , Alessandro Monfardini

Snapshot spectral imaging is rapidly gaining interest for remote sensing applications. Acquiring spatial and spectral data within one image promotes fast measurement times, and reduces the need for stabilized scanning imaging systems. Many…

Image and Video Processing · Electrical Eng. & Systems 2018-12-05 Rebecca French , Sylvain Gigan , Otto L. Muskens