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Trapped ions are a well-studied and promising system for the realization of a scalable quantum computer. Faster quantum gates would greatly improve the applicability of such a system and allow for greater flexibility in the number of…

Quantum Physics · Physics 2019-07-24 D. Heinrich , M. Guggemos , M. Guevara-Bertsch , M. I. Hussain , C. F. Roos , R. Blatt

Raman lasers based on integrated silica whispering gallery mode resonant cavities have enabled numerous applications from telecommunications to biodetection. To overcome the intrinsically low Raman gain value of silica, these devices…

Optics · Physics 2020-01-06 Hyungwoo Choi , Dongyu Chen , Fan Du , Rene Zeto , Andrea M Armani

Compressive Raman is a recent framework that allows for large data compression of microspectroscopy during its measurement. Because of its inherent multiplexing architecture, it has shown imaging speeds considerably higher than conventional…

Coherent ultraviolet (UV) light has many uses, for example in the study of molecular species relevant in biology and chemistry. Very few if any laser materials offer UV transparency along with damage-free operation at high photon energies…

Stochastic computing allows a drastic reduction in hardware complexity using serial processing of bit streams. While the induced high computing latency can be overcome using integrated optics technology, the design of realistic optical…

Emerging Technologies · Computer Science 2021-02-04 Hassnaa El-Derhalli , Lea Constans , Sebastien Le Beux , Alfredo De Rossi , Fabrice Raineri , Sofiene Tahar

We propose a data-driven approach for deep convolutional neural network compression that achieves high accuracy with high throughput and low memory requirements. Current network compression methods either find a low-rank factorization of…

Computer Vision and Pattern Recognition · Computer Science 2019-03-13 Breton Minnehan , Andreas Savakis

High-power ultra-low noise single-mode single-frequency lasers are in great demand for interferometric metrology. Robust, compact all-fiber lasers represent one of the most promising technologies to replace the current laser sources in use…

The integration of stimulated Raman scattering (SRS) and second order nonlinearity in non-centrosymmetric photonic microresonators presents a highly promising solution for developing on-chip coherent light sources with exceptional bandwidth…

Modern radar systems are expected to operate reliably in congested environments. A candidate technology for meeting these demands is frequency agile radar (FAR), which randomly changes its carrier frequencies. FAR is known to improve the…

Signal Processing · Electrical Eng. & Systems 2020-12-02 Tianyao Huang , Nir Shlezinger , Xingyu Xu , Dingyou Ma , Yimin Liu , Yonina C. Eldar

By focusing on a typical emitting wavelength of 1120 nm as an example, we present the first demonstration of a high-efficiency, narrow-linewidth kilowatt-level all-fiber amplifier based on hybrid ytterbium-Raman (Yb-Raman) gains. Notably,…

Optics · Physics 2020-04-22 Pengfei Ma , Yu Miao , Wei Liu , Daren Meng , Pu Zhou

Efficient, low threshold, and compact semiconductor laser sources are being investigated for many applications in high-speed communications, information processing, and optical interconnects. The best edge-emitting and vertical cavity…

Materials Science · Physics 2011-05-06 Bryan Ellis , Marie Mayer , Gary Shambat , Tomas Sarmiento , James Harris , Eugene Haller , Jelena Vuckovic

The current state of the art of Simultaneous Localisation and Mapping, or SLAM, on low power embedded systems is about sparse localisation and mapping with low resolution results in the name of efficiency. Meanwhile, research in this field…

Robotics · Computer Science 2019-02-14 Konstantinos Boikos , Christos-Savvas Bouganis

Spatially-structured light with tunable intensity, wavelength, and spatiotemporal profiles has demonstrated significant potentials for fundamental and applied science, including the ultrafast and high-field physics. Nevertheless, the…

Plasma Physics · Physics 2025-06-30 Zhi-Yu Lei , Su-Ming Weng , Min Chen , Jie Zhang , Zheng-Ming Sheng

Quantum memories with high efficiency and fidelity are essential for long-distance quantum communication and information processing. Techniques have been developed for quantum memories based on atomic ensembles. The atomic memories relying…

Quantum Physics · Physics 2019-01-16 Jinxian Guo , Xiaotian Feng , Peiyu Yang , Zhifei Yu , L. Q. Chen , Chun-Hua Yuan , Weiping Zhang

Parametric amplifiers have allowed breakthroughs in ultrafast, strong-field, and high-energy density laser science and are an essential tool for extending the frequency range of powerful emerging diode-pumped solid-state laser technology.…

We report on the generation of a Raman cascade spanning the wavelength range of 523 to 1750 nm wavelength range, in a standard telecommunication graded-index multimode optical fiber. Despite the highly multimode nature of the pump, the…

Optics · Physics 2013-12-13 Hamed Pourbeyram , Govind P. Agrawal , Arash Mafi

Whole-Slide Imaging allows for the capturing and digitization of high-resolution images of histological specimen. An automated analysis of such images using deep learning models is therefore of high demand. The transformer architecture has…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Firas Khader , Jakob Nikolas Kather , Tianyu Han , Sven Nebelung , Christiane Kuhl , Johannes Stegmaier , Daniel Truhn

We present an analytical and numerical study of multiple-laser QED cascades induced with linearly polarised laser pulses. We analyse different polarisation orientations and propose a configuration that maximises the cascade multiplicity and…

Plasma Physics · Physics 2016-12-21 Marija Vranic , Thomas Grismayer , Ricardo A. Fonseca , Luis O. Silva

High-power lasers with narrow linewidth and high beam quality in the visible spectrum are essential for emerging quantum and space technologies. Here we report significant advances in diamond Raman lasers, generating diffraction-limited…

The lack of high power integrated lasers have been limiting silicon photonics. Despite much progress made in chip-scale laser integration, power remains below the level required for key applications. The main inhibiting factor for high…