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A multistage smoothing multistep pulse compressor (MPC) based on a single-pass single-grating-pair (SSGP) main compressor is proposed to simplify the entire petawatt (PW) compressor. Only one grating pair with relatively long distance is…

Optics · Physics 2023-09-12 Shuman Du , Xiong Shen , Wenhai Liang , Peng Wang , Jun Liu , Ruxin Li

We propose a new type of reflective polarizer based on polarization-dependent coupling to surface-plasmon polaritons (SPPs) from free space. This inexpensive polarizer is relatively narrowband but features an extinction ratio of up to 1000…

Optics · Physics 2020-12-30 A. Shahsafi , J. Salman , B. E. Rubio Perez , Y. Xiao , C. Wan , M. A. Kats

Strong coupling is a phenomenon which occurs when the interaction between two resonance systems is so strong that the oscillatory energy exchange between them exceeds all dissipative loss channels. Each resonance can then no longer be…

We design an efficient coupler to transmit light from a strip waveguide into the flatband slow mode of a photonic crystal waveguide with ring-shaped holes. The coupler is a section of a photonic crystal waveguide with a higher group…

Optics · Physics 2009-11-13 A. Säynätjoki , K. Vynck , M. Mulot , D. Cassagne , J. Ahopelto , H. Lipsanen

Nano-scale lasers harnessing metallic plasmons hold promise across physical sciences and industrial applications. Plasmons are categorized as surface plasmon polaritons (SPP) and localized surface plasmons (LSP). While SPP has gained…

Optics · Physics 2023-10-16 Sangyeon Cho , Nicola Martino , Seok-Hyun Yun

Resonant optical antennas supporting plasmon polaritons (SPPs) - collective excitations of electrons coupled to electromagnetic fields in a medium - are relevant to sensing, photovoltaics, and light-emitting devices, among others. Due to…

In this paper, we utilize coupled mode theory (CMT) to model the coupling between surface plasmon-polaritons (SPPs) between multiple graphene sheets. By using the Stimulated Raman Adiabatic Passage (STIRAP) Quantum Control Technique, we…

Quantum Physics · Physics 2017-11-17 Wei Huang , Shi-Jun Liang , Elica Kyoseva , Lay Kee Ang

We demonstrate monolithically defined grating couplers in $Z$-cut lithium niobate on insulator for efficient vertical coupling between an optical fiber and a single mode waveguide. The grating couplers exhibit $\sim 44.6\%$/coupler and…

Optics · Physics 2019-07-24 I. Krasnokutska , R. J. Chapman , J. -L. J. Tambasco , A. Peruzzo

We present two-dimensional plasmonic Doppler grating (PDG) for broadband azimuthal angle-resolved nanophotonic applications. The PDG consists of a set of non-concentric circular rings mimicking the wavefronts of a moving point source that…

Applied Physics · Physics 2019-04-18 Kel-Meng See , Fan-Cheng Lin , Jer-Shing Huang

We theoretically study channel plasmon-polaritons (CPPs) with a geometry similar to that in recent experiments at telecom wavelengths (Bozhevolnyi et al., Nature 440, 508 (2006)). The CPP modal shape, dispersion relation, and losses are…

The possibility to enhance chiral light-matter interactions through plasmonic nanostructures provides entirely new opportunities for greatly improving the detection limits of chiroptical spectroscopies down to the single molecule level. The…

Optics · Physics 2016-04-19 M. H. Alizadeh , B. M. Reinhard

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…

Surface plasmon polaritons enable light concentration within subwavelength regions, opening thereby new avenues for miniaturizing the device and strengthening light-matter interactions. Here we realize effective electro-optic modulation in…

Surface plasmon polaritons in graphene couple strongly to surface phonons in polar substrates leading to hybridized surface plasmon-phonon polaritons (SPPPs). We demonstrate that a surface acoustic wave (SAW) can be used to launch…

Mesoscale and Nanoscale Physics · Physics 2018-05-24 R. Fandan , J. Pedrós , J. Schiefele , A. Boscá , J. Martínez , F. Calle

Plasmonic structures are known to support the modes with subwavelength volumes in which the field matter interactions are greatly enhanced. Coupling between the molecular excitations and plasmons leading to formation of plexcitons has been…

Optics · Physics 2018-11-27 Jacob B Khurgin

Scattering of TM-polarized surface plasmon-polariton waves (PPW) by a finite segment of the metal-vacuum interface with randomly fluctuating surface impedance is examined. Solution of the integral equation relating the scattered field with…

Disordered Systems and Neural Networks · Physics 2018-01-09 Yu. V. Tarasov , D. A. Iakushev , S. S. Melnik , O. V. Usatenko

Surface plasmon polaritons (SSP), moving along a smooth curved interface between two isotropic media with slowly varying dielectric permittivities and magnetic permeabilities and supporting SSP, are studied theoretically. Solutions of…

Optics · Physics 2011-04-20 Maria V. Perel , Dmitry Yu. Zaika

Tapered metallic grooves have been shown to support plasmons -- electromagnetically coupled oscillations of free electrons at metal-dielectric interfaces -- across a variety of configurations and V-like profiles. Such plasmons may be…

Mesoscale and Nanoscale Physics · Physics 2015-05-22 Cameron L. C. Smith , Nicolas Stenger , Anders Kristensen , N. Asger Mortensen , Sergey I. Bozhevolnyi

Coherent sub-THz phonons incident on a gold grating that is deposited on a dielectric substrate undergo diffraction and thereby induce an alteration of the surface plasmon-polariton resonance. This results in efficient high-frequency…

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