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Photonics, Volume 10, Issue 8

August 2023 - 95 articles

Cover Story: Delving into fractal aggregates of metallic and high-index dielectric nanoparticles, our study explores the anisotropic Purcell effect. These aggregates exhibit fractal-like geometry with localized "hot spots" of surface resonances. Our investigation focuses on the emergence of the anisotropic Purcell effect using the electromagnetic Green's tensor and coupled-dipole method. We reveal enhanced Purcell effect in these "hot spots", along with orientation-dependent behavior. Quantum interference resulting from the anisotropic Purcell effect leads to intriguing population dynamics in multi-level quantum emitters positioned within these hot spots. This interplay of the Purcell effect, anisotropy, and quantum interference holds promise for novel light–matter interactions and quantum optical phenomena. View this paper
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Articles (95)

  • Article
  • Open Access
3 Citations
1,793 Views
15 Pages

Design of a Large-Format Low-Light Imaging System Based on the RGB Filter Wheel

  • Jianwei Peng,
  • Hongtao Yang,
  • Xiaodong Song,
  • Yingjun Ma,
  • Weining Chen and
  • Guangdong Zhang

21 August 2023

In order to capture true-color information of distant targets under extremely low light, a large-format low-light imaging system is designed based on an RGB filter wheel. By decomposing the system indicators, this study proposes a method for acquirin...

  • Article
  • Open Access
3 Citations
3,946 Views
11 Pages

An Efficient Silicon Grating Coupler for a 2 μm Waveband Based on a Polysilicon Overlay

  • Yifan Wu,
  • Yuzhou Wu,
  • Jiefeng Xu,
  • Xi Wang,
  • You Wu,
  • Yanglin Chen,
  • Jiahang Li and
  • Ke Xu

20 August 2023

The short-wavelength mid-infrared spectral range of the 2 μm waveband has the advantages of low transmission loss and broad gain bandwidth, making it a promising candidate for the next optical fiber communication window. It is thus highly desired...

  • Article
  • Open Access
2 Citations
2,647 Views
12 Pages

An Ytterbium-Doped Narrow-Bandwidth Randomly Distributed Feedback Laser Emitting at a Wavelength of 976 nm

  • Danila A. Davydov,
  • Andrey A. Rybaltovsky,
  • Svetlana S. Aleshkina,
  • Vladimir V. Velmiskin,
  • Mikhail E. Likhachev,
  • Sergei M. Popov,
  • Dmitry V. Ryakhovskiy,
  • Yuriy K. Chamorovskiy,
  • Andrey A. Umnikov and
  • Denis S. Lipatov

19 August 2023

All-fiber, polarization maintaining, narrow-bandwidth, Yb-doped fiber lasers with randomly distributed feedback operated near 976 nm were realized for the first time. It was shown that the laser operated in a single, longitudinal mode regime during i...

  • Article
  • Open Access
4 Citations
1,972 Views
18 Pages

Hyperspectral Channel-Modulated Static Birefringent Fourier Transform Imaging Spectropolarimeter with Zoomable Spectral Resolution

  • Xiangzhe Zhang,
  • Jingping Zhu,
  • Liqing Huang,
  • Yu Zhang,
  • Huimin Wang,
  • Haoxiang Li,
  • Fengqi Guo and
  • Jinxin Deng

18 August 2023

A novel channel-modulated static birefringent Fourier transform imaging spectropolarimeter (CSBFTIS) is introduced, which is based on a double Wollaston prism (DWP). With an adjustable air gap (AG), the spectral resolution can be adjusted by changing...

  • Article
  • Open Access
5 Citations
1,412 Views
17 Pages

18 August 2023

The resonant external field-assisted Breit–Wheeler process (Oleinik resonances) for strong electromagnetic fields with intensities that are less than the critical Schwinger field that has been theoretically studied. The resonant kinematics were...

  • Communication
  • Open Access
2 Citations
1,716 Views
9 Pages

18 August 2023

We present a comparative theoretical study of silicon crystals irradiated with X-ray free-electron laser pulses, using hard X-ray photons of various energies. Simulations are performed with our in-house hybrid code XTANT based on Monte Carlo, Tight B...

  • Article
  • Open Access
1 Citations
1,561 Views
10 Pages

18 August 2023

We take advantage of the dual emission properties of up-conversion fluorescence (UCF) and second harmonic generation (SHG) in Er3+-doped perovskite Na0.95Er0.05Nb0.9Ti0.1O3 to fully temporally characterize the ultrashort laser pulse that excites Er3+...

  • Review
  • Open Access
10 Citations
4,857 Views
15 Pages

18 August 2023

Simultaneous phase-shifting interferometry (SPSI) can simultaneously obtain multiple phase-shifted interferograms and can realize the dynamic wavefront measurement with the use of a phase-shifting algorithm. From the respect of a beam-splitting techn...

  • Article
  • Open Access
4 Citations
2,045 Views
12 Pages

Multi-Channel Visibility Distribution Measurement via Optical Imaging

  • Lingye Chen,
  • Yuyang Shui,
  • Libang Chen,
  • Ming Li,
  • Jinhua Chu,
  • Xia Shen,
  • Yikun Liu and
  • Jianying Zhou

18 August 2023

Calibration of the imaging environment is an important step in computational imaging research, as it provides an assessment of the imaging capabilities of an imaging system. Visibility is an important quantity reflecting the transparency of the atmos...

  • Editorial
  • Open Access
1 Citations
2,190 Views
3 Pages

Preface for Special Issue: Advancements in Semiconductor Lasers

  • Yanhua Hong,
  • Cristina Masoller and
  • Min Won Lee

18 August 2023

We are delighted to present this Special Issue of “Advancements in Semiconductor Lasers”, which features a remarkable collection of 14 papers that explore the diverse and cutting-edge aspects of semiconductor lasers [...]

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Photonics - ISSN 2304-6732