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Dissipative solitons formed in Kerr microresonators may enable chip-scale frequency combs for precision optical metrology. Here we explore the creation of an octave-spanning, 15-GHz repetition-rate microcomb suitable for both f-2f…

Magnetic skyrmions are chiral spin textures with a nontrivial topology that offer a potential for future magnetic memory and storage devices. The controlled formation and adjustment of size and density of magnetic skyrmions in Ta/CoFeB/MgO…

The optical frequency comb has become an indispensable tool for high precision spectroscopy. Also experiments in the field of ultrafast physics rely on the frequency comb technique to generate precisely controlled attosecond optical pulses…

Optics · Physics 2014-10-07 Katarzyna Krajewska , Jerzy Z. Kamiński

This paper proposes a method for generating phononic frequency combs (PFCs) using defect-localized modes in a two-dimensional hexagonal phononic crystal. Localized vibration modes from a singular point defect produce evenly spaced spectral…

Applied Physics · Physics 2025-12-01 Suhas Suresh Bharadwaj , Murtaza Rangwala , Adarsh Ganesan

Metal-organic frameworks (MOFs) are a family of materials that have high porosity and structural tunability and hold great potential in various applications, many of which requiring a proper understanding of the thermal transport…

Materials Science · Physics 2023-08-04 Penghua Ying , Ting Liang , Ke Xu , Jin Zhang , Jianbin Xu , Zheng Zhong , Zheyong Fan

This paper develops a location based analog beamforming (BF) technique using compressive sensing (CS) to be feasible for millimeter wave (mmWave) wireless communication systems. The proposed scheme is based on exploiting the benefits of CS…

Information Theory · Computer Science 2018-08-07 Ahmed Abdelreheem , Ehab Mahmoud Mohamed , Hamada Esmaiel

We have studied theoretically magnetic resonance force microscopy (MRFM) with a high frequency nanomechanical cantilever when the cantilever frequency matches the resonant frequency of a single electron spin. Our estimations show that in…

Mesoscale and Nanoscale Physics · Physics 2022-02-16 Gennady P. Berman , Vladimir I. Tsifrinovich

Globally, the long-haul transmission of ultra-high bandwidth data is enabled through coherent communications. Driven by the rapid pace of growth in interconnectivity over the last decade, long-haul data transmission has reached capacities…

Microresonator-based Kerr frequency combs ("Kerr microcombs") constitute chip-scale frequency combs of broad spectral bandwidth and repetition rate ranging from gigahertz to terahertz. An appealing application exploiting microcombs'…

We report on the experimental demonstration of a tunable monolithic optical frequency comb generator. The device is based on the four-wave mixing in a crystalline calcium fluoride whispering gallery mode resonator. The frequency spacing of…

Optical frequency combs are increasingly used in applications such as optical communications, radio signal processing, and dual-comb spectroscopy. Many of these applications require a broad, flat spectrum with tunable center wavelength and…

Optics · Physics 2025-05-06 Yijia Cai , Zhixin Liu

We present an innovative method for magnetic resonance force microscopy (MRFM) with ultra-low dissipation, by using the higher modes of the mechanical detector as radio frequency (rf) source. This method allows MRFM on samples without the…

Mesoscale and Nanoscale Physics · Physics 2017-02-22 J. J. T. Wagenaar , A. M. J. den Haan , R. J. Donkersloot , F. Marsman , M. de Wit , L. Bossoni , T. H. Oosterkamp

Optical frequency division of an ultrastable laser to the microwave frequency range by an optical frequency comb has allowed the generation of microwave signals with unprecedently high spectral purity and stability. However, the generated…

We present a simple method for fully-stabilized mid-infrared optical frequency comb generation based on single-pass femtosecond optical parametric generation that is seeded by a continuous-wave laser. We have implemented the method in a…

Optics · Physics 2024-06-12 Mikhail Roiz , Krishna Kumar , Juho Karhu , Markku Vainio

Optical frequency combs combine ultrashort pulse duration and phase stability, making them powerful resources for high-precision ranging even when affected by atmospheric dispersion. It has been established that by classical modal…

Quantum Physics · Physics 2026-04-08 Mylenne Manrique , Ilaria Gianani , Marco Barbieri , Valentina Parigi , Nicolas Treps

Artificial intelligence empowered autonomous vehicles and robotics have to sense the fast-changing three-dimensional environment with high precision and speed. However, it is challenging for the state-of-the-art ambiguity-free light…

Optics · Physics 2023-12-29 Yifan Qi , Xingyu Jia , Jingyi Wang , Weiwei Yang , Yihan Miao , Xinlun Cai , Guanhao Wu , Yang Li

We demonstrate a photonic radio frequency (RF) transversal filter based on an integrated optical micro-comb source featuring a record low free spectral range of 49 GHz yielding 80 micro-comb lines across the C-band. This record-high number…

Applied Physics · Physics 2022-05-10 X. Xu , M. Tan , J. Wu , T. Nguyen , S. T. Chu , B. E. Little , R. Morandotti , A. Mitchell , D. J. Moss

Non-perturbative and phase-sensitive light-matter interactions have led to the generation of attosecond pulses of light and the control electrical currents on the same timescale. Traditionally, probing these effects via high harmonic…

Optics · Physics 2022-05-17 Daniel M. B. Lesko , Kristina F. Chang , Scott A. Diddams

We have fabricated arrays of High-T$_c$ Superconducting Quantum Interference Devices (SQUIDs) with randomly distributed loop sizes as sensitive antennas for Radio-Frequency (RF) waves. These sub-wavelength size devices known as…

The remarkable precision of frequency comb (FC) lasers is transferred to the extreme ultraviolet (XUV, wavelengths shorter than 100 nm), a frequency region previously not accessable to these devices. A frequency comb at XUV wavelengths near…

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