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Related papers: Supercontinuum Generation in the Low-Peak-Power Re…

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We demonstrate THz generation using the tilted pulse front method in Lithium Niobate, driven at unprecedented high average power of more than 100 W and at 13.3 MHz repetition rate, provided by a compact amplifier-free modelocked thin-disk…

Optics · Physics 2020-05-20 Frank Meyer , Tim Vogel , Shahwar Ahmed , Clara J. Saraceno

We report on the generation of broadband, high-energy femtosecond pulses centered at 1.28 um by stimulated Raman scattering in pressurized hydrogen cell. Stimulated Raman scattering is performed by two chirped and delayed pulses originating…

Nonlinear propagation of intense femtosecond laser pulses in bulk transparent media leads to a specific propagation regime, termed femtosecond filamentation, which in turn produces dramatic spectral broadening, or superbroadening, termed…

We demonstrate a new 11.424 GHz SLED-type RF pulse compressor for powering high-gradient X-band photoinjectors with pulse lengths around 20 ns. RF pulse compression provides a practical path to higher peak power at the cost of pulse length…

Accelerator Physics · Physics 2026-05-04 Ankur Dhar , Mohamed A. K. Othman , Valery A. Dolgashev

We demonstrate the broadband supercontinuum (SC) generation in photonic crystal fiber (PCF), highly nonlinear fiber (HNLF) and ZBLAN (ZrF4-BaF2-LaF3-AlF3-NaF) fiber with a passively mode-locked erbium-doped fiber laser (EDFL). The passively…

We describe a robust system for laser-driven narrowband terahertz generation with high conversion efficiency in periodically poled Lithium Niobate (PPLN). In the multi-stage terahertz generation system, the pump pulse is recycled after each…

Optics · Physics 2018-11-14 Lu Wang , Arya Fallahi , Koustuban Ravi , Franz Kärtner

We present a mode-locked semiconductor laser oscillator that emits few picosecond pulses (5-8ps at 379MHz repetition) with record peak power (112W) and pulse energy (0.5nJ) directly out of the oscillator (with no amplifier). To achieve this…

Optics · Physics 2023-10-03 Mallachi-Elia Meller , Leon Bello , Idan Parshani , Yosef London , Avi Pe'er

Ability to selectively enhance the amplitude and maintain high coherence of the supercontinuum signal with long pulses is gaining significance. In this work an extra degree of freedom afforded by varying the dispersion profile of a…

The modular multilevel converter (MMC) is a promising converter technology for various highvoltage high-power applications. The reason to that is low-distortion output quantities can be achieved with low average switching frequencies per…

High Energy Physics - Experiment · Physics 2025-01-03 Khushbu Saradva , Meeta Matnani , Tapankumar Trivedi

In this work, we demonstrate post-compression of 1.2 picosecond laser pulses to 13 fs via gas-based multi-pass spectral broadening. Our results yield a single-stage compression factor of about 40 at 200 W in-burst average power and a total…

We present numerical results of supercontinuum (SC) generation in the mid-IR spectral region, specifically addressing the molecular fingerprint window ranging from 2.5 to 25 um. By solving the Generalized Nonlinear Schr\"odinger Equation…

The generation of optical pulses at ultra low bias level, thus low energy cost, is explored in a commercial microcavity semiconductor laser in view of testing the principle of energy efficient information encoding in potential integrated…

Optics · Physics 2019-03-27 Tao Wang , Gaofeng Wang , Gian Piero Puccioni , Gian Luca Lippi

A novel concept of high-power transmitters utilizing the Continuous Wave (CW) magnetrons, frequency-locked by phase-modulated signals has been proposed to compensate energy losses caused by Synchrotron Radiation (SR) in the electron ring of…

Accelerator Physics · Physics 2014-04-07 G. Kazakevich

We propose a tunable on-chip micromaser using a superconducting quantum circuit (SQC). By taking advantage of externally controllable state transitions, a state population inversion can be achieved and preserved for the two working levels…

Quantum Physics · Physics 2015-06-26 J. Q. You , Yu-xi Liu , C. P. Sun , Franco Nori

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

Frequency combs represent exceptionally precise measurement tools due to the coherence of their spectral lines. While optical frequency comb sources constitute a well-established technology, superconducting circuits provide a relatively…

Superconductivity · Physics 2025-12-12 Angelo Greco , Xavier Ballu , Francesco Giazotto , Alessandro Crippa

Repeatedly alternating the sign of dispersion along a waveguide substantially increases the bandwidth to input peak power efficiency of supercontinuum generation (SCG). Here, we explore, theoretically and numerically, how to optimize…

Optics · Physics 2020-07-16 Haider Zia

Controlling a nonlinear process like supercontinuum generation (SG) with the polarization-state of laser is an important demonstration of laser selectivity. We show that the threshold for SG and the total amount of supercontinuum generated…

Optics · Physics 2009-11-06 Arvinder S. Sandhu , Sudeep Banerjee , Debabrata Goswami

Single flux quantum technology has the potential to enhance readout and control of superconducting quantum systems due to their low energy consumption, high speed, and cryogenic operating temperatures. Current cryogenic readout and control…

Quantum Physics · Physics 2025-05-07 Gregory Cunningham , Yufeng Ye , Kaidong Peng , Alec Yen , Jessica Kedziora , Kevin P. O'Brien

We demonstrate experimentally an optical system for under-sampling several bandwidth limited signals with carrier frequencies that are not known apriori that can be located anywhere within a very broad frequency region between 0-18 GHz. The…

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