Investigations on the optical forces from three mainstream optical resonances in all-dielectric nanostructure arrays

• Guangdong Wang and
• Zhanghua Han

Beilstein J. Nanotechnol. 2023, 14, 674–682, doi:10.3762/bjnano.14.53

• continuum (BIC)) which are current in focus nanophotonics research topics, all-dielectric nanostructures have proved themselves to be a good platform for light–matter interactions and an advantageous alternative to their plasmonic counterparts. A TD resonance is produced by the flow of electric currents on

Observation of multiple bulk bound states in the continuum modes in a photonic crystal cavity

• Rui Chen,
• Yi Zheng,
• Xingyu Huang,
• Qiaoling Lin,
• Chaochao Ye,
• Meng Xiong,
• Martijn Wubs,
• Yungui Ma,
• Minhao Pu and
• Sanshui Xiao

Beilstein J. Nanotechnol. 2023, 14, 544–551, doi:10.3762/bjnano.14.45

• modes have infinite quality factors (Q factors) and cannot be excited from the external radiative continuum, thereby providing efficient ways to trap light and to enhance light–matter interactions [3][4][5][6][7]. Multiple wave systems, such as water wave [8], phononic [9], acoustic [10], and photonic

Quasi-guided modes resulting from the band folding effect in a photonic crystal slab for enhanced interactions of matters with free-space radiations

• Kaili Sun,
• Yangjian Cai,
• Uriel Levy and
• Zhanghua Han

Beilstein J. Nanotechnol. 2023, 14, 322–328, doi:10.3762/bjnano.14.27

• superior properties will provide a new platform for efficient light–matter interactions. Keywords: guided modes; light–matter interactions; photonic crystal slab; Introduction Photonic resonances with the possibility of free-space excitation (i.e., leaky modes) and large local electromagnetic field

• enhancement are central for the manipulation of light–matter interactions. Optical resonators of various forms have been exploited for this purpose. What follows are a few representative examples investigated in the last several decades: Photonic crystal cavities are realized when small disorders or defects

• have been demonstrated in all aspects of light–matter interactions, ranging from optical generation [6], propagation [7], nonlinear processes [8] to signal detection [9] and collection, to name a few. Although QBIC resonances in all-dielectric nanostructures have become a popular and mainstream

Characterisation of a micrometer-scale active plasmonic element by means of complementary computational and experimental methods

• Ciarán Barron,
• Giulia Di Fazio,
• Samuel Kenny,
• Silas O’Toole,
• Robin O’Reilly and
• Dominic Zerulla

Beilstein J. Nanotechnol. 2023, 14, 110–122, doi:10.3762/bjnano.14.12

• presence of an optically denser dielectric material with which the light interacts before reaching the metal. Light–matter interactions which give rise to the formation of SPPs can be classified into a sub-field of photonics known as plasmonics [8]. Investigations into SPPs provide vital insights into

Analytical and numerical design of a hybrid Fabry–Perot plano-concave microcavity for hexagonal boron nitride

• Felipe Ortiz-Huerta and
• Karina Garay-Palmett

Beilstein J. Nanotechnol. 2022, 13, 1030–1037, doi:10.3762/bjnano.13.90

• the desired shape. A natural extension to the development of polymer photonic structures consists of the fabrication of hybrid (i.e., metal-dielectric) resonant structures [15] with the potential to enhance the light–matter interactions of such SPEs. This work will focus on finding an optimal design

Revealing local structural properties of an atomically thin MoSe₂ surface using optical microscopy

• Lin Pan,
• Peng Miao,
• Anke Horneber,
• Alfred J. Meixner,
• Pierre-Michel Adam and
• Dai Zhang

Beilstein J. Nanotechnol. 2022, 13, 572–581, doi:10.3762/bjnano.13.49

• between structural irregularities and properties of 2D-TMDC materials has been intensively explored recently. Surface-enhanced Raman spectroscopy (SERS) has been used as an ultrasensitive and nondestructive spectroscopic technique for fundamental investigations of light–matter interactions down to the

Light–matter interactions in two-dimensional layered WSe₂ for gauging evolution of phonon dynamics

• Avra S. Bandyopadhyay,
• Chandan Biswas and
• Anupama B. Kaul

Beilstein J. Nanotechnol. 2020, 11, 782–797, doi:10.3762/bjnano.11.63

• stimuli, specifically the Raman laser power P and substrate temperature T and comment on the light–matter interactions that evolve here in the context of phonon dynamics. Power-dependent Raman shifts in WSe2 Starting with the discussion on the laser power, the dependence of the and A1g mode in WSe2 was

• the damping mechanisms in WSe2 with varying thickness and the increase in energy from external stimuli. The insights from this work reveal the importance of light–matter interactions in 2D WSe2 to alter the phonon spectrum toward the quantum-confined limit of monolayers. These findings can be broadly

Metal–dielectric hybrid nanoantennas for efficient frequency conversion at the anapole mode

• Valerio F. Gili,
• Lavinia Ghirardini,
• Davide Rocco,
• Giuseppe Marino,
• Ivan Favero,
• Iännis Roland,
• Giovanni Pellegrini,
• Lamberto Duò,
• Marco Finazzi,
• Luca Carletti,
• Andrea Locatelli,
• Aristide Lemaître,
• Dragomir Neshev,
• Costantino De Angelis,
• Giuseppe Leo and
• Michele Celebrano

Beilstein J. Nanotechnol. 2018, 9, 2306–2314, doi:10.3762/bjnano.9.215

• dielectric materials the electric field penetrates deeply into the volume [16], the exploitation of large bulk nonlinearities also enables enhanced nonlinear light–matter interactions at the nanoscale. Third-harmonic generation (THG) was the first nonlinear effect observed in nanoscale semiconductors with

Light–Matter interactions on the nanoscale

• Mohsen Rahmani and
• Chennupati Jagadish

Beilstein J. Nanotechnol. 2018, 9, 2125–2127, doi:10.3762/bjnano.9.201

• Mohsen Rahmani Chennupati Jagadish Research School of Physics and Engineering, The Australian National University, Canberra, ACT 2601, Australia 10.3762/bjnano.9.201 Keywords: light-matter interactions; nano-optics; nanophotonics; plasmonics; At the beginning of the 20th century, researchers

• began harnessing the capabilities of electricity and magnetism. Today we are standing in a similar position as we contemplate the emergence of light–matter interactions at the nanoscale and how it will continue its exponential growth over the coming years. This research field, also called nanophotonics

• or nano-optics, is a subject of rapidly increasing scientific importance: controlling light–matter interactions beyond the diffraction limit. In contrast to optics, which is the concept of light rays, including absorption, transmission and reflection, photonics is the concept of light science

Design of photonic microcavities in hexagonal boron nitride

• Sejeong Kim,
• Milos Toth and
• Igor Aharonovich

Beilstein J. Nanotechnol. 2018, 9, 102–108, doi:10.3762/bjnano.9.12

• emitters (SPEs) that are of great interest for a myriad of nanophotonics and quantum photonic applications [3][4][5][6][7][8][9][10]. However, to further study light matter interactions based on the hBN SPEs, and to realize integrated nanophotonics systems, coupling of the emitters to optical cavities is

Near-field surface plasmon field enhancement induced by rippled surfaces

• Mario D’Acunto,
• Francesco Fuso,
• Ruggero Micheletto,
• Makoto Naruse,
• Francesco Tantussi and
• Maria Allegrini

Beilstein J. Nanotechnol. 2017, 8, 956–967, doi:10.3762/bjnano.8.97

• nanocavities able to trap the light at the cavity mode frequencies, and the physics of such light–matter interactions can be conveniently described in terms of the resonant cavity quasinormal modes (QNMs) [50]. QNMs are solutions of Maxwell’s equations that are associated with a complex eigenfrequency , where

Spin annihilations of and spin sifters for transverse electric and transverse magnetic waves in co- and counter-rotations

• Hyoung-In Lee and
• Jinsik Mok

Beilstein J. Nanotechnol. 2014, 5, 1887–1898, doi:10.3762/bjnano.5.199

• the kinetic momentum in the Hamiltonian, in which the light-matter interactions lead to the quantized Landau levels in quantum mechanics [19]. See Section S7 of Supporting Information File 1 for details. As with , in the interior for the counter-rotational case, as seen from the vanishing denominator