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Related papers: A compact, multi-pixel parametric light source

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We describe a simple and compact architecture for generating all optical frequencies required for the laser cooling, state preparation and detection of atoms in an ultracold rubidium-87 experiment from a single 780 nm laser source. In…

Atomic Physics · Physics 2012-10-26 A. B. Deb , A. Rakonjac , N. Kjaergaard

The process of spontaneous parametric down-conversion (SPDC) in nonlinear crystals makes it fairly easy to generate entangled photon states. It has been known for some time that the conversion efficiency can be improved by employing…

Quantum Physics · Physics 2017-08-23 Jonas Soderholm , Keiichi Hirano , Shigehiko Mori , Shuichiro Inoue , Sunao Kurimura

A tilted-pulse-front pumped terahertz pulse source is proposed for the generation of extremely high field single-cycle terahertz pulses. The very simple and compact source consists of a single crystal slab having a blazed reflection grating…

Single atoms or atom-like emitters are the purest source of on-demand single photons, they are intrinsically incapable of multi-photon emission. To demonstrate this degree of purity we have realized a tunable, on-demand source of single…

Time Shaping of ultrashort visible pulses has been performed using a specially designed Acousto-Optic Programmable Dispersive Filter of 50% efficiency at the output of a two-stage noncollinear optical parametric amplifier. The set-up is…

Optics · Physics 2007-05-23 A. Monmayrant , A. Arbouet , B. Girard , B. Chatel , A. Barman , B. J. Whitaker , D. Kaplan

Employing colliding-pulse injection has been shown to enable high-quality electron beams to be generated from laser-plasma accelerators. Here by leveraging test particle simulations, Hamiltonian analysis, and multidimensional…

Accelerator Physics · Physics 2023-10-09 Zheng Gong , Michael J. Quin , Simon Bohlen , Christoph H. Keitel , Kristjan Põder , Matteo Tamburini

We present a comprehensive model for predicting the full performance of a second harmonic generationoptical parametric amplification system that aims at enhancing the temporal contrast of laser pulses. The model simultaneously takes into…

Optics · Physics 2016-01-22 A. B. Sharba , G. Nersisyan , M. Zepf , M. Borghesi , G. Sarri

Active energy compression scheme is presently being investigated for future laser-plasma accelerators. This method enables generating laser-plasma accelerator electron beams with a small, $\sim 10^{-5}$, relative slice energy spread. When…

We present a high efficiency source of picosecond pulses derived from a dual cavity optical frequency comb generator. This approach overcomes the limitations of single cavity comb generators that are restricted to efficiencies of a few…

Optics · Physics 2023-07-28 Mateusz P. Mrozowski , Jonathan D. Pritchard , J. Jeffers

Quantum photon sources of high rate, brightness, and purity are increasingly desirable as quantum information systems are quickly scaled up and applied to many fields. Using a periodically poled lithium niobate microresonator on chip, we…

Optics · Physics 2021-01-04 Zhaohui Ma , Jia-Yang Chen , Zhan Li , Chao Tang , Yong Meng Sua , Heng Fan , Yu-Ping Huang

The emerging hybrid integrated quantum photonics combines advantages of different functional components into a single chip to meet the stringent requirements for quantum information processing. Despite the tremendous progress in hybrid…

A laser-boosted relativistic solid-density paraboloidal foil is known to efficiently reflect and focus a counterpropagating laser pulse. Here we show that in the case of an ultrarelativistic counterpropagating pulse, a high-energy and…

Plasma Physics · Physics 2014-07-14 M. Tamburini , A. Di Piazza , T. V. Liseykina , C. H. Keitel

A periodically poled lithium niobate (PPLN) waveguide-based single-pixel up-conversion infrared spectrometer was demonstrated. Sum-frequency generation between a 1.5 micrometer band scanning pump laser and a 1.3 micrometer band signal…

Instrumentation and Detectors · Physics 2009-11-13 Qiang Zhang , Carsten Langrock , M. M. Fejer , Yoshihisa Yamamoto

A pulsed electron gun that can produce MHz repetition rate nanosecond pulses is described. The gun uses a Pierce grid in combination with an anode to extract electrons from a tungsten filament cathode. The electrons emerging from the anode…

Instrumentation and Detectors · Physics 2024-02-06 Andrew James Murray , Joshua Rogers

Beam injection and extraction from a plasma module is still one of the crucial aspects to solve in order to produce high quality electron beams with a plasma accelerator. Proper matching conditions require to focus the incoming high…

We propose novel types of parametric oscillators generating both three-photon and four-photon bright light which are accessible for an experiment. The devices are based on the cascaded down-conversion processes and consist of second-order…

Quantum Physics · Physics 2009-11-06 G. Yu. Kryuchkyan , N. T. Muradyan

The production of ultra-bright electron bunches using ionization injection triggered by two transversely colliding laser pulses inside a beam-driven plasma wake is examined via three-dimensional (3D) particle-in-cell (PIC) simulations. The…

Accelerator Physics · Physics 2015-06-12 F. Li , J. F. Hua , X. L. Xu , C. J. Zhang , L. X. Yan , Y. C. Du , W. H. Huang , H. B. Cheng , C. X. Tang , W. Lu , C. Joshi , W. B. Mori , Y. Q. Gu

The next generation of lithography machines uses extreme ultraviolet (EUV) light originating from laser-produced plasma (LPP) sources, where a small tin droplet is ionized by an intense laser pulse to emit the requested light at 13.5 nm.…

A light-pressure electric generator (LPEG) is reported that converts amplified radiation pressure into electrical energy. Its underlying principle differs from that of conventional piezoelectric power generation. The generator was…

Applied Physics · Physics 2019-09-11 Ha Young Lee , Kyung-Won Lim , Min Sub Kwak , Geon-Tae Hwang , Sam Nyung Yi

We demonstrate sub-picosecond wavelength conversion in the C-band via four wave mixing in a 45cm long high index doped silica spiral waveguide. We achieve an on/off conversion efficiency (signal to idler) of +16.5dB as well as a parametric…

Optics · Physics 2017-05-31 A. Pasquazi , M. Peccianti , M. Lamont , R. Morandotti , B. E Little , S. Chu , D. J Moss