English
Related papers

Related papers: Efficiently Laser Driven Terahertz Surface Plasmon…

200 papers

We report that femtosecond surface plasmon polariton pulses can propagate along a metal-dielectric waveguide and that they can be modulated on the femtosecond timescale by direct ultrafast optical excitation of the metal, thereby offering…

Optics · Physics 2010-09-03 K. F. MacDonald , Z. L. Samson , M. I. Stockman , N. I. Zheludev

We investigate terahertz (THz) radiation generation at the vacuum-plasma interface driven by the oblique incidence of s-polarized Gaussian laser pulse(s) on a semi-infinite underdense plasma.~Extending beyond the conventional…

Plasma Physics · Physics 2025-08-26 Anjana K P , Rohit Kumar Srivastav , Mrityunjay Kundu

In this paper, we utilize coupled mode theory (CMT) to model the coupling of surface plasmon polaritons (SPPs) between tri-layered corrugated thin films (CTF) structure coupler in the terahertz region. Employing the stimulated raman…

Optics · Physics 2019-10-22 Wei Huang , Shan Yin , Wentao Zhang , Kaili Wang , Yuting Zhang , Jiaguang Han

Femtosecond laser filament generates strong terahertz (THz) pulse in air. In this paper, THz pulse waveform generated by femtosecond laser filament has been experimentally investigated as a function of the length of the filament.…

Optics · Physics 2013-10-22 Jiayu Zhao , Yizhu Zhang , Zhi Wang , Wei Chu , Bin Zeng , Ya Cheng , Zhizhan Xu , Weiwei Liu

The propagation distance of surface plasmon polaritons (SPPs) on metal nanowires is severely limited by their short lifetime, primarily due to strong metallic losses. In this work, we show that the lifetime-and thus the propagation…

Optics · Physics 2025-05-30 Rasim Volga Ovali , Mehmet Emre Tasgin

Surface plasmon polaritons (SPPs) are traditionally excited by plane waves within the Rayleigh range of a focused transverse magnetic (TM) Gaussian beam. Here, we investigate and confirm the coupling between SPPs and two-dimensional…

Surface plasmon polaritons (SPPs) are coherent electromagnetic surface waves trapped on an insulator-conductor interface. The SPPs decay exponentially along the propagation due to conductor losses, restricting the SPPs propagation length to…

Optics · Physics 2015-12-11 M. Mattheakis , T. Oikonomou , M. I. Molina , G. P. Tsironis

We have observed laser-like emission of surface plasmon polaritons (SPPs) decoupled to the glass prism in an attenuated total reflection setup. SPPs were excited by optically pumped molecules in a polymeric film deposited on the top of the…

Optics · Physics 2009-11-13 M. A. Noginov , G. Zhu , M. F. Mayy , B. A. Ritzo , N. Noginova , V. A. Podolskiy

This paper presents an analytical study of TM-polarized surface plasmon polaritons (SPPs) in nonlinear multi-layer structures containing graphene sheets. In the general structure, each graphene sheet has been sandwiched between two…

An active control method of azo-polymer loaded surface plasmon-polaritons (SPPs) wave with tightly focused 532nm laser is proposed and demonstrated in this paper. Theoretical analysis and experimental results are consistent, which confirm…

Optics · Physics 2009-05-12 D. G. Zhang , X. -C. Yuan , G. H. Yuan , K. J. Moh , J. Bu , P. Wang , L. P. Du , J. Lin , H. Ming

Particle acceleration using ultraintense, ultrashort laser pulses is one of the most attractive topics in relativistic laser-plasma research. We report proton/ion acceleration in the intensity range of 5x1019 W/cm2 to 3.3x1020 W/cm2 by…

Terahertz pulses generated by two-color laser plasmas have reported peak field strengths exceeding MV/cm, and when illuminating metal nanotips the near-field enhancement at the tip apex should result in extremely high bunch charges and…

Materials Science · Physics 2025-01-14 Benjamin Colmey , Rodrigo T. Paulino , Gaspard Beaufort , David G. Cooke

Excitation of multiple surface plasmon-polaritons(SPPs) by an equichiral sculptured thin film with a metal layer defect was studied theoretically in the Sarid configuration, using the transfer matrix method. Multiple SPP modes were…

Materials Science · Physics 2018-02-13 SH. Hosseininezhad , F. Babaei

Efficient chip-scale interconnects are essential for modern microelectronic-photonic systems, supporting high bandwidth and low-latency processing. Traditional wired links face high resistivity and latency, while millimeter-wave wireless…

We experimentally demonstrate a boosted in-plane thermal conduction by surface plasmon polaritons (SPPs) propagating along a thin Ti film on a glass substrate. Owing to a lossy nature of metal, SPPs can propagate over centimeter-scale…

Applied Physics · Physics 2023-05-03 Dong-min Kim , Sinwoo Choi , Jungwan Cho , Mikyung Lim , Bong Jae Lee

Metal films grown on Si wafer perforated with a periodic array of subwavelength holes have been fabricated and anomalous enhanced transmission in the mid-infrared regime has been observed. High order transmission peaks up to Si(2,2) are…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Xu Fang , Zhiyuan Li , Yongbing Long , Hongxiang Wei , Rongjuan Liu , Jiyun Ma , M. Kamran , Huaying Zhao , Xiufeng Han , Bairu Zhao , Xianggang Qiu

We introduce the unique class of propagation-invariant surface plasmon polaritons (SPPs) representing pulsed surface wave packets propagating along unpatterned metal-dielectric interfaces and are localized in all dimensions - with…

There are implementations and proposals for using microwave or optical radiation for electron acceleration, undulation, deflection, and spatial as well as temporal focusing. Using terahertz (THz) radiation in such applications can be…

Accelerator Physics · Physics 2011-10-03 J. Hebling , J. A. Fülöp , M. I. Mechler , L. Pálfalvi , C. Tőke , G. Almási

Terahertz radiation pulses can be generated efficiently through femtosecond laser excitation of a ferromagnetic/nonmagnetic heterostructure, wherein an ultrafast laser-induced spin current results in an electromagnetic THz pulse due to…

Electromagnetic radiation within the terahertz (THz) frequency range is of great interest for applications in remote sensing and time-domain spectroscopy. The laser-induced plasmas are promising mediums for generating THz radiation. It has…