Article
Nanoscience & Nanotechnology
Yuxiang Wang, Yueyi Yuan, Guohui Yang, Xumin Ding, Qun Wu, Yannan Jiang, Shah Nawaz Burokur, Kuang Zhang
Summary: This study proposes a general method to perfectly control diffraction patterns based on a multi-beam PGM, achieving arbitrary control of high-order diffraction beams through generation and energy distribution. The effectiveness and accuracy of the method are validated through the design and fabrication of metasurfaces with different characteristics.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Optics
Wenhe Jia, Chenxin Gao, Yongmin Zhao, Liu Li, Shun Wen, Shuai Wang, Chengying Bao, Chunping Jiang, Changxi Yang, Yuanmu Yang
Summary: Optical metasurfaces coupled with materials with strong optical nonlinearity can achieve ultrafast spatiotemporal light field modulation. In this study, a plasmonic metasurface strongly coupled to an epsilon-near-zero material is used to simultaneously control the laser mode and generate pulsed laser by Q-switching. The integration of the spatiotemporal metasurface in a laser cavity opens up possibilities for miniaturized laser sources with tailored spatial and temporal profiles, enabling various applications such as superresolution imaging and laser lithography.
ADVANCED PHOTONICS
(2023)
Article
Nanoscience & Nanotechnology
Xiaoyue Zhu, Chao Qian, Jie Zhang, Yuetian Jia, Yaxiong Xu, Mingmin Zhao, Minjian Zhao, Fengzhong Qu, Hongsheng Chen
Summary: In this paper, deep learning-assisted spatiotemporal metasurfaces are introduced to mitigate the Doppler effect in fast-moving scenes. By establishing a rapid connection between on-site targets and time-varying series of spatiotemporal metasurfaces, on-demand beamforming with offset Doppler effects can be achieved. Additionally, the study also addresses oblique incidence problems for relieving multipath effect.
Article
Chemistry, Multidisciplinary
Taeyong Chang, Joonkyo Jung, Sang-Hyeon Nam, Hyeonhee Kim, Jong Uk Kim, Nayoung Kim, Suwan Jeon, Minsung Heo, Jonghwa Shin
Summary: This article introduces a method to achieve complete linear control of coherent light transmission with just a single, thin nanostructure array. The method allows independent control of polarization, amplitude, and phase for both input polarization states, and presents a new type of 3D holographic scheme and a systematic approach to realizing any input-state-sensitive vector linear optical device. This unlocks previously inaccessible degrees of freedom in light transmission control.
ADVANCED MATERIALS
(2022)
Article
Optics
Veysel Ercaglar, Hodjat Hajian, Andriy E. Serebryannikov, Ekmel Ozbay
Summary: The proposed multifunctional gradient metasurfaces, composed of binary Si microcylinders integrated with VO2 and graphene, can advance THz science and technology by providing tunable features. These metasurfaces act as transmittive or reflective beamsplitters for VO2 and can be used in THz interferometers, multiplexers, and light absorbers.
Article
Automation & Control Systems
Xiaoyue Zhu, Chao Qian, Yuetian Jia, Jieting Chen, Yuan Fang, Zhixiang Fan, Jie Zhang, Dongdong Li, Reza Abdi-Ghaleh, Hongsheng Chen
Summary: Advanced wireless communication is achieved through index modulation with intelligent spatiotemporal metasurfaces, providing a simple and versatile platform for additional data transmission. The experimental demonstration shows the feasibility and potential for future smart cities.
ADVANCED INTELLIGENT SYSTEMS
(2023)
Article
Physics, Applied
Mohammad Hosein Fakheri, Hamid Rajabalipanah, Ali Abdolali
Summary: The study introduces a space-time-coding acoustic digital metasurface that can dynamically transfer the energy of the carrier acoustic signal to a series of harmonic components with precisely engineered magnitudes and phases. By distributing coding sequences in both space and time dimensions, diverse scattering functionalities for one or multiple harmonic frequencies can be elaborately acquired in a programmable way. This paradigm opens up unprecedented potential for efficient harmonic control in adaptive beamforming and acoustic imaging systems without the use of high-cost nonlinear components.
PHYSICAL REVIEW APPLIED
(2021)
Review
Chemistry, Multidisciplinary
Guangwei Hu, Mingsong Wang, Yarden Mazor, Cheng-Wei Qiu, Andrea Alu
Summary: Optical metasurfaces are planarized devices with unprecedented capabilities to manipulate electromagnetic waves and facilitate multiple functionalities. Recent research efforts have focused on enhancing light-matter interactions, with layered and twisted metasurfaces showcasing interesting features such as flexibility and tunability in manipulating light. These advancements contribute to the development of moiré physics for light.
TRENDS IN CHEMISTRY
(2021)
Article
Optics
Yuze Hu, Mingyu Tong, Zhongjie Xu, Xiangai Cheng, Tian Jiang
Summary: This study introduces a novel spatiotemporal metadevice for terahertz wave manipulation with ultra-high spatial and ultrafast temporal control, exhibiting bistability and erasable logic operations. By leveraging both spatial and temporal degrees of freedom, it lays the foundation for enhancing optical computing, data storage, and ultrahigh-speed information processing capabilities.
LASER & PHOTONICS REVIEWS
(2021)
Article
Optics
Andrea Tognazzi, Kirill Okhlopkov, Attilio Zilli, Davide Rocco, Luca Fagiani, Erfan Mafakheri, Monica Bollani, Marco Finazzi, Michele Celebrano, Maxim R. Shcherbakov, Andrey A. Fedyanin, Costantino De Angelis
Summary: Nonlinear metasurfaces are powerful tools for manipulating light at the nanoscale, with potential applications in wavefront control. A high-quality factor silicon metasurface was designed for third harmonic generation, revealing a variety of polarization states in the diffraction orders. The results demonstrate the feasibility of tailoring the polarization of nonlinear diffraction orders for enhanced wavefront control.
Article
Chemistry, Multidisciplinary
Xi Chen, Yankai Xu, Kai Lou, Yixin Peng, Chao Zhou, Wei Wang, H. P. Zhang
Summary: This study discovers a structured light technology that allows precise and programmable control of colloidal motion waves, including their origins, propagation directions, paths, shapes, annihilation, frequency, and speeds. These findings not only provide physical insights into the mechanism of colloidal waves, but also inspire biomimetic strategies for directional transport of mass, energy, and information at micro- and nanoscales.
Article
Engineering, Electrical & Electronic
Goran Isic, Dimitrios C. Zografopoulos, Danka B. Stojanovic, Borislav Vasic, Milivoj R. Belic
Summary: In this study, a theoretical model is proposed for evaluating the diffraction efficiency of an array of lossy resonant elements. The model is demonstrated on an electrically tunable liquid-crystal terahertz beam steering metasurface, and benchmarked against rigorous metasurface simulations.
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
(2021)
Review
Chemistry, Multidisciplinary
Jun Guan, Jeong-Eun Park, Shikai Deng, Max J. H. Tan, Jingtian Hu, Teri W. Odom
Summary: This review discusses the integration of plasmonic and dielectric metasurfaces with emissive or stimuli-responsive materials, enabling control of light-matter interactions at the nanoscale. Metasurfaces offer the ability to manipulate electromagnetic waves at the subwavelength level, while the combination with nanoscale emitters allows for enhanced photoluminescence, nanoscale lasing, controlled quantum emission, and formation of exciton-polaritons. Additionally, the use of functional materials that respond to external stimuli enables the engineering of tunable nanophotonic devices. Emerging metasurface designs, such as surface-functionalized, chemically tunable, and multilayer hybrid metasurfaces, hold promise for various applications including photocatalysis, sensing, displays, and quantum information.
Article
Chemistry, Multidisciplinary
Chen Chen, Shenglun Gao, Wange Song, Hanmeng Li, Shi-Ning Zhu, Tao Li
Summary: Manipulating spin light using metasurfaces with controlled geometric phase has been successful, especially with the introduction of local phase manipulation technique with planar chiral meta-atoms, which enhances the flexibility and functionality of spin light control in metasurface designs.
Article
Engineering, Electrical & Electronic
Raana Sabri, Mohammad Mahdi Salary, Hossein Mosallaei
Summary: This research proposes a design method to achieve single sideband suppressed carrier modulation using a spatiotemporal reflective metasurface. The metasurface has a specific phase distribution feature that enables spurious-free frequency conversion and multi-channel, multi-beam scanning.
JOURNAL OF LIGHTWAVE TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Yeongin Kim, Chenxin Zhu, Wen-Ya Lee, Anna Smith, Haowen Ma, Xiang Li, Donghee Son, Naoji Matsuhisa, Jaemin Kim, Won-Gyu Bae, Sung Ho Cho, Myung-Gil Kim, Tadanori Kurosawa, Toru Katsumata, John W. F. To, Jin Young Oh, Seonghyun Paik, Soo Jin Kim, Lihua Jin, Feng Yan, Jeffrey B. -H. Tok, Zhenan Bao
Summary: Hemispherical image sensors are beneficial for improving image quality in compact wide-field-of-view cameras. Organic materials have advantages as candidate materials and can be prepared into high-density organic thin film photomemory transistor arrays using a photolithographic process. The developed organic photomemory transistor exhibits high responsivity and linear photoresponse, and a transfer method is developed for the fabrication of hemispherical organic photomemory transistor arrays.
ADVANCED MATERIALS
(2023)
Article
Nanoscience & Nanotechnology
Alexander D. White, Logan Su, Daniel I. Shahar, Ki Youl Yang, Geun Ho Ahn, Jinhie L. Skarda, Siddharth Ramachandran, Jelena Vuckovic
Summary: Vortex beams are stable solutions of Maxwell's equations that have phase singularities and orbital angular momentum. They have unique properties and find applications in various fields. This study presents a general framework for generating integrated vortex beam emitters using photonic inverse design. Experimental demonstrations and the design of a vortex beam multiplexer are shown. The foundry-fabricated beam emitters with wide bandwidths and high efficiencies are also described.
Article
Optics
Alexander D. White, Geun Ho Ahn, Kasper Van Gasse, Ki Youl Yang, Lin Chang, John E. Bowers, Jelena Vuckovic
Summary: This article demonstrates an integrated approach for passively isolating a continuous-wave laser using the non-reciprocal Kerr nonlinearity in ring resonators. By using silicon nitride as the model platform, the authors achieve single ring isolation of 17-23 dB with 1.8-5.5 dB insertion loss, and cascaded ring isolation of 35 dB with 5 dB insertion loss. They also demonstrate hybrid integration and isolation with a semiconductor laser chip using these devices.
Article
Optics
Changhyun Lee, Sangtae Jeon, Seong Jun Kim, Soo Jin Kim
Summary: This work demonstrates a new type of spectral filter that achieves spectrally selective transmission of light on resonant nanostructures. By leveraging the non-local resonance in dielectric nanostructures, a double-layered optical filter is designed with performance comparable to ideal spectral filters, showing near flat-top bandpass and minimized spectral overlaps.
Article
Optics
Geun Ho Ahn, Alexander D. White, Hyungjin Kim, Naoki Higashitarumizu, Felix M. Mayor, Jason F. Herrmann, Wentao Jiang, Kevin K. S. Multani, Amir H. Safavi-Naeini, Ali Javey, Jelena Vuckovic
Summary: Many attractive photonics platforms lack integrated photodetectors due to material incompatibilities and lack of process scalability. This research shows that tellurium can be evaporated onto photonic chips using a thermal evaporation and deposition technique, resulting in air-stable, high-speed, ultrawide-band photodetectors. These photodetectors demonstrate detection from visible to short-wave infrared, a bandwidth of over 40 GHz, and platform-independent scalable integration with various photonic structures.
Article
Optics
Jiho Hong, Jorik Van De Groep, Nayeun Lee, Soo Jin Kim, Philippe Lalanne, Pieter G. Kik, Mark L. Brongersma
Summary: Modern sensing and imaging applications require accurate measurements of light wave properties such as intensity, wavelength, directionality, and polarization. This study demonstrates the use of engineered optical resonances in nanostructures to achieve selective detection of circularly polarized light. By patterning a thin silicon layer into a dislocated nanowire-array, it is possible to detect circularly polarized light with high efficiency. The presence of periodic dislocations enables selective excitation of nonlocal, guided-mode resonances for one handedness of light.
Article
Chemistry, Multidisciplinary
Nayeun Lee, Muyu Xue, Jiho Hong, Jorik van de Groep, Mark Luitzen Brongersma
Summary: Using nanoscale Mie-resonator arrays, simultaneous antireflection and light-trapping can be achieved for thin crystalline silicon solar cells, leading to improved power conversion efficiency.
ADVANCED MATERIALS
(2023)
Article
Nanoscience & Nanotechnology
Henry Carfagno, Melissa A. . Guidry, Joshua Yang, Lauren McCabe, Joshua M. O. Zide, Jelena Vuckovic, Matthew F. Doty
Summary: Highly efficient photonic couplers for quantum emitters in fiber networks were designed and tested. The inverse-designed structures outperformed traditional grating outcouplers. A novel fabrication method with smaller feature size constraint improved the device transmission efficiency. Employing broadband optimization criteria resulted in a more robust design.
Article
Nanoscience & Nanotechnology
Jorik van de Groep, Qitong Li, Jung-Hwan Song, Pieter G. Kik, Mark L. Brongersma
Summary: Exciton resonances in monolayer transition-metal dichalcogenides (TMDs) exhibit strong light-matter interaction and their line shape can be influenced by the interference of the substrate and TMD reflections. Reflection measurements with index-matching oils allow investigation of the quantum mechanical exciton dynamics. By removing the substrate contribution, the excitonic decay rates can be accurately extracted, providing guidance for engineering exciton line shapes in layered nanophotonic systems.
Article
Chemistry, Multidisciplinary
Ryan J. Gelly, Alexander D. White, Giovanni Scuri, Xing Liao, Geun Ho Ahn, Bingchen Deng, Kenji Watanabe, Takashi Taniguchi, Jelena Vuckovic, Hongkun Park
Summary: Efficient nanophotonic devices are crucial in applications such as quantum networking, optical information processing, sensing, and nonlinear optics. However, integrating two-dimensional materials into photonic structures is often limited by size and material quality. This study uses hexagonal boron nitride as a waveguiding layer to improve the optical quality of embedded films. By combining it with photonic inverse design, it provides a complete platform for interfacing with optically active 2D materials and enables various functionalities. This work opens up possibilities for advanced 2D-material nanophotonic structures in classical and quantum nonlinear optics.
Article
Chemistry, Multidisciplinary
Kinfung Ngan, Yuan Zhan, Constantin Dory, Jelena Vuckovic, Shuo Sun
Summary: This study presents a new technique that allows for the deterministic assembly of diamond color centers in a silicon nitride photonic circuit, enabling maximum light-matter interaction strength and paving the way for scalable manufacturing of large-scale quantum photonic circuits.
Article
Optics
Qitong Li, Jung-Hwan Song, Fenghao Xu, Jorik van de Groep, Jiho Hong, Alwin Daus, Yan Joe Lee, Amalya C. Johnson, Eric Pop, Fang Liu, Mark L. Brongersma
Summary: A general pathway to reduce the detrimental impact of dephasing and non-radiative decay processes in quantum devices is illustrated through photonic design of device electrodes. The design enables large Purcell enhancement, convenient electrical gating, and high modulation efficiencies.
Article
Nanoscience & Nanotechnology
Qingyuan Fan, Amr M. Shaltout, Jorik van de Groep, Mark L. Brongersma, Aaron M. Lindenberg
Summary: This article introduces a method of manipulating light by spatially structuring thin optical layers, and presents the theoretical and experimental results of wavefront shaping and frequency conversion on subpicosecond time scales by inducing space-time refractive index gradients in epsilon-near-zero (ENZ) films. By controlling the incident angle and the pump-probe delay, we can experimentally adjust the wavefront steering without the need for nanostructure fabrication. Leveraging the ultrafast, high-bandwidth optical response of transparent oxides in their ENZ wavelength range, we demonstrate the effectiveness of this method and create large refractive index gradients and new types of nonreciprocal, ultrafast two-dimensional optics, including an ultrathin transient lens.
Article
Chemistry, Multidisciplinary
Amani A. Hariri, Alyssa P. Cartwright, Constantin Dory, Yasser Gidi, Steven Yee, Ian A. P. Thompson, Kaiyu X. Fu, Kiyoul Yang, Diana Wu, Nicolo Maganzini, Trevor Feagin, Brian E. Young, Behrad Habib Afshar, Michael Eisenstein, Michel J. F. Digonnet, Jelena Vuckovic, H. Tom Soh
Summary: This study presents a design architecture that can convert existing aptamers into reversible aptamer switches, allowing for tuning of their kinetic and thermodynamic properties without prior knowledge of the ligand binding domain. By combining these switches with evanescent-field-based optical detection hardware, the study demonstrates a biosensor system that can continuously measure multiple biomarkers in complex samples with rapid time responses.
ADVANCED MATERIALS
(2023)
