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  • 主办单位：
    中国光学工程学会清华大学上海理工大学
  • 名誉主编： 庄松林 院士
  • 国际主编： 顾敏 院士
  • 主       编：
    孙洪波 教授仇旻 教授
  • 创       刊：2020年3月
  • ISSN：2662-1991
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Near-field strong coupling and entanglement of quantum emitters for room-temperature quantum technologies
Daniel D. A. Clarke, Ortwin Hess
 doi: 10.1186/s43074-024-00148-1
Abstract(0) PDF(0)
Abstract:
In recent years, quantum nanophotonics has forged a rich nexus of nanotechnology with photonic quantum information processing, offering remarkable prospects for advancing quantum technologies beyond their current technical limits in terms of physical compactness, energy efficiency, operation speed, temperature robustness and scalability. In this perspective, we highlight a number of recent studies that reveal the especially compelling potential of nanoplasmonic cavity quantum electrodynamics for driving quantum technologies down to nanoscale spatial and ultrafast temporal regimes, whilst elevating them to ambient temperatures. Our perspective encompasses innovative proposals for quantum plasmonic biosensing, driving ultrafast single-photon emission and achieving near-field multipartite entanglement in the strong coupling regime, with a notable emphasis on the use of industry-grade devices. We conclude with an outlook emphasizing how the bespoke characteristics and functionalities of plasmonic devices are shaping contemporary research directives in ultrafast and room-temperature quantum nanotechnologies.
Artificial potential field-empowered dynamic holographic optical tweezers for particle-array assembly and transformation
Xing Li, Yanlong Yang, Shaohui Yan, Wenyu Gao, Yuan Zhou, Xianghua Yu, Chen Bai, Dan Dan, Xiaohao Xu, Baoli Yao
 doi: 10.1186/s43074-024-00144-5
Abstract(1) PDF(0)
Abstract:
Owing to the ability to parallel manipulate micro-objects, dynamic holographic optical tweezers (HOTs) are widely used for assembly and patterning of particles or cells. However, for simultaneous control of large-scale targets, potential collisions could lead to defects in the formed patterns. Herein we introduce the artificial potential field (APF) to develop dynamic HOTs that enable collision-avoidance micro-manipulation. By eliminating collision risks among particles, this method can maximize the degree of parallelism in multi-particle transport, and it permits the implementation of the Hungarian algorithm for matching the particles with their target sites in a minimal pathway. In proof-of-concept experiments, we employ APF-empowered dynamic HOTs to achieve direct assembly of a defect-free 8 × 8 array of microbeads, which starts from random initial positions. We further demonstrate successive flexible transformations of a 7 × 7 microbead array, by regulating its tilt angle and inter-particle spacing distances with a minimalist path. We anticipate that the proposed method will become a versatile tool to open up new possibilities for parallel optical micromanipulation tasks in a variety of fields.
CMOS optoelectronic spectrometer based on photonic integrated circuit for in vivo 3D optical coherence tomography
Anja Agneter, Paul Muellner, Quang Nguyen, Dana Seyringer, Elisabet A. Rank, Marko Vlaskovic, Jochen Kraft, Martin Sagmeister, Stefan Nevlacsil, Moritz Eggeling, Alejandro Maese-Novo, Yevhenii Morozov, Nicole Schmitner, Robin A. Kimmel, Ernst Bodenstorfer, Pietro Cipriano, Horst Zimmermann, Rainer A. Leitgeb, Rainer Hainberger, Wolfgang Drexler
 doi: 10.1186/s43074-024-00150-7
Abstract(4) PDF(0)
Abstract:
Photonic integrated circuits (PICs) represent a promising technology for the much-needed medical devices of today. Their primary advantage lies in their ability to integrate multiple functions onto a single chip, thereby reducing the complexity, size, maintenance requirements, and costs. When applied to optical coherence tomography (OCT), the leading tool for state-of-the-art ophthalmic diagnosis, PICs have the potential to increase accessibility, especially in scenarios, where size, weight, or costs are limiting factors. In this paper, we present a PIC-based CMOS-compatible spectrometer for spectral domain OCT with an unprecedented level of integration. To achieve this, we co-integrated a 512-channel arrayed waveguide grating with electronics. We successfully addressed the challenge of establishing a connection from the optical waveguides to the photodiodes monolithically co-integrated on the chip with minimal losses achieving a coupling efficiency of 70%. With this fully integrated PIC-based spectrometer interfaced to a spectral domain OCT system, we reached a sensitivity of 92dB at an imaging speed of 55kHz, with a 6dB signal roll-off occurring at 2mm. We successfully applied this innovative technology to obtain 3D in vivo tomograms of zebrafish larvae and human skin. This ground-breaking fully integrated spectrometer represents a significant step towards a miniaturised, cost-effective, and maintenance-free OCT system.
Optical polarization manipulations with anisotropic nanostructures
Zhancheng Li, Wenwei Liu, Yuebian Zhang, Hua Cheng, Shuang Zhang, Shuqi Chen
 doi: 10.1186/s43074-024-00143-6
Abstract(9) PDF(4)
Abstract:
Over the past few decades, metasurfaces have revolutionized conventional bulky optics by providing an effective approach to manipulate optical waves at the subwavelength scale. This advancement holds great potential for compact, multifunctional, and reconfigurable optical devices. Notably, metasurfaces constructed with anisotropic nanostructures have exhibited remarkable capability in manipulating the polarization state of optical waves. Furthermore, they can be employed to achieve independent control of the amplitude and phase of optical waves in different polarization channels. This capability has garnered significant attention from the photonics community due to its unprecedented potential for polarization-selective and -multiplexed optical wave manipulation, offering versatile applications in optical imaging, communication, and detection. This paper reviews the design principles, representative works, and recent advancements in anisotropic nanostructures for optical polarization manipulation, detection, as well as polarization-selective and -multiplexed optical wave manipulation. Personal insights into further developments in this research area are provided.
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Terahertz spectroscopy in biomedical field: a review on signal-to-noise ratio improvement
Yan Peng, Chenjun Shi, Yiming Zhu, Min Gu, Songlin Zhuang
2020, 1(1).    doi: 10.1186/s43074-020-00011-z
PDF(33)
Information Metamaterials: bridging the physical world and digital world
Qian Ma, Tie Jun Cui
2020, 1(1).    doi: 10.1186/s43074-020-00006-w
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Recent advances in multi-dimensional metasurfaces holographic technologies
Ruizhe Zhao, Lingling Huang, Yongtian Wang
2020, 1(1).    doi: 10.1186/s43074-020-00020-y
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Vacuum-ultraviolet photodetectors
Lemin Jia, Wei Zheng, Feng Huang
2020, 1(1).    doi: 10.1186/s43074-020-00022-w
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