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There is substantial interest in producing samples of ultracold molecules for possible applications in quantum computation, quantum simulation of condensed matter systems, precision measurements, controlled chemistry, and high precision…

Atomic Physics · Physics 2013-05-30 J. F. Barry , E. S. Shuman , E. B. Norrgard , D. DeMille

Spatial signal processors (SSP) for emerging millimeter-wave wireless networks are critically dependent on link discovery. To avoid loss in communication, mobile devices need to locate narrow directional beams with millisecond latency. In…

Signal Processing · Electrical Eng. & Systems 2021-06-03 Chung-Ching Lin , Chase Puglisi , Veljko Boljanovic , Soumen Mohapatra , Han Yan , Erfan Ghaderi , Deukhyoun Heo , Danijela Cabric , Subhanshu Gupta

The transverse motion inside a Stark decelerator plays a large role in the total efficiency of deceleration. We differentiate between two separate regimes of molecule loss during the slowing process. The first mechanism involves distributed…

Atomic Physics · Physics 2008-06-23 Brian C. Sawyer , Benjamin K. Stuhl , Benjamin L. Lev , Eric R. Hudson , Jun Ye

In situ generation of a high-energy, high-current, spin-polarized electron beam is an outstanding scientific challenge to the development of plasma-based accelerators for high-energy colliders. In this Letter we show how such a…

We report on an experimental demonstration of laser wakefield electron acceleration using a sub-TW power laser by tightly focusing 30-fs laser pulses with only 8 mJ pulse energy on a 100 \mu m scale gas target. The experiments are carried…

Plasma Physics · Physics 2015-06-04 Z. -H. He , B. Hou , J. H. Easter , K. Krushelnick , J. A. Nees , A. G. R. Thomas

A microstructured array of 1254 electrodes on a substrate has been configured to generate an array of local minima of electric field strength with a periodicity of 120 $\mu$m about 25 $\mu$m above the substrate. By applying sinusoidally…

Atomic Physics · Physics 2009-05-20 Samuel A Meek , Horst Conrad , Gerard Meijer

Stark deceleration has been utilized for slowing and trapping several species of neutral, ground-state polar molecules generated in a supersonic beam expansion. Due to the finite physical dimension of the electrode array and practical…

Atomic Physics · Physics 2009-11-10 Eric R. Hudson , J. R. Bochinski , H. J. Lewandowski , Brian C. Sawyer , Jun Ye

Solid-state or crystal acceleration has for long been regarded as an attractive frontier in advanced particle acceleration. However, experimental investigations of solid-state acceleration mechanisms which offer $\rm TVm^{-1}$ acceleration…

Accelerator Physics · Physics 2021-01-29 Aakash A. Sahai , Toshiki Tajima , Peter Taborek , Vladimir D. Shiltsev

Microwave(MW) fields with strong field strength, ultralow phase-noise and tunable polarization are crucial for stabilizing and manipulating ultracold polar molecules, which have emerged as a promising platform for quantum sciences. In this…

Photonic generation of radio-frequency signals has shown significant advantages over the electronic counterparts, allowing the high precision generation of radio-frequency carriers up to the terahertz-wave region with flexible bandwidth for…

Applied Physics · Physics 2021-12-01 Ziqian Zhang , Yang Liu , Benjamin J. Eggleton

A method for the generation of ultrarelativistic electron beams with high spin polarization is put forward, where a tightly-focused linearly-polarized ultraintense laser pulse interacts with a nonprepolarized transverse-size-tailored solid…

Plasma Physics · Physics 2024-06-11 Xiaofei Shen , Zheng Gong , Karen Z. Hatsagortsyan , Christoph H. Keitel

Polar heavy-atom molecules have been well recognized as promising candidates for precision measurements and tests of fundamental physics. A much slower molecular beam to increase the interaction time should lead to a more sensitive…

Atomic Physics · Physics 2018-04-11 Yanning Yin , Supeng Xu , Meng Xia , Yong Xia , Jianping Yin

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 new concept for a multi-stage Zeeman decelerator that is optimized particularly for applications in molecular beam scattering experiments. The decelerator consists of a series of alternating hexapoles and solenoids, that…

We present a study of the possibility to significantly enhance the efficiency of high-order harmonic generation (HHG) using few-cycle optical waveforms obtained by superposing two laser pulses of different color delayed optimally relative…

Optics · Physics 2024-12-11 O. V. Meshkov , M. Yu. Emelin , M. Yu. Ryabikin

The design of the proposed linear collider TESLA is based on 9-cell 1.3 GHz superconducting niobium cavities, operated in pulsed mode. Within the framework of an international collaboration the TESLA Test Facility (TTF) has been set up at…

Accelerator Physics · Physics 2007-05-23 M. Liepe

Scaling femtosecond terahertz (THz) and ultraviolet (UV) sources to high repetition rates is essential for high-throughput ultrafast spectroscopy and imaging applications. Yet, their efficient generation at high average power remains…

Optics · Physics 2026-01-06 Andrey Ryabov , Kasra Amini

Optically generated terahertz (THz) oscillators have garnered considerable attention in recent years due to their potential for wide tunability and low phase noise. Here, for the first time, a dissipative Kerr microresonator soliton comb…

Optics · Physics 2025-06-10 Omnia Nawwar , Kaoru Minoshima , Naoya Kuse

The Standing Wave (SW) TESLA niobium-based superconducting radio frequency structure is limited to an accelerating gradient of about 50 MV/m by the critical RF magnetic field. To break through this barrier, we explore the option of…

Accelerator Physics · Physics 2022-02-16 V. Shemelin , H. Padamsee , V. Yakovlev

A method is proposed to generate coherent, intense zeptosecond x-ray pulses by using the electron beam produced by a laser wakefield accelerator (LWFA) stage as the driver for a beam driven plasma wakefield accelerator (PWFA) stage. The…