Terahertz-field-induced optical luminescence from graphene for imaging and near-field visualization of a terahertz field

Sergey Bodrov, Aleksey Murzanev, Aleksey Korytin, Andrey Stepanov<br/>Graphene-based terahertz (THz)-field-induced optical luminescence (GB-TFIOL) is proposed in this Letter as a novel, to the best of our ... [Opt. Lett. 46, 5946-5949 (2021)]

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Multipoint dispersion spectroscopic gas sensing by optical FMCW interferometry

Xiutao Lou, Yue Wang, Yongkang Dong<br/>We present a novel, to the best of our knowledge, multipoint gas-sensing method based on dispersion spectroscopy using optical ... [Opt. Lett. 46, 5950-5953 (2021)]

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Noninvasive imaging of two isolated objects through a thin scattering medium beyond the 3D optical memory effect by speckle-based difference strategy

Wenqi He, Yuchen Wei, Dajiang Lu, Xianye Li, Meihua Liao, Xiang Peng<br/>The shape of two objects hidden behind a thin scattering medium is retrieved by the presented method. One of the two objects keeps ... [Opt. Lett. 46, 5954-5957 (2021)]

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Twist phase and classical entanglement of partially coherent light

Sergey A. Ponomarenko<br/>We demonstrate that the presence of a twist phase in a random light beam leads to classical entanglement between phase space degrees of ... [Opt. Lett. 46, 5958-5961 (2021)]

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Electrically controllable terahertz metamaterials with large tunabilities and low operating electric fields using electrowetting-on-dielectric cells

Harry Miyosi Silalahi, Yi-Hong Shih, Shih-Hung Lin, Yi-Ting Chen, Wan-Yi Wei, Pei-Ling Chao, Chia-Yi Huang<br/>A simple method that is compatible with all geometrical structures of terahertz (THz) metamaterials for increasing their frequency ... [Opt. Lett. 46, 5962-5965 (2021)]

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2D full-field displacement and vibration measurements of specularly reflecting surfaces by two-beam common-path digital holography

Manoj Kumar, Osamu Matoba<br/>A new, to the best of our knowledge, configuration of common-path off-axis digital holography is proposed for simultaneous evaluation of ... [Opt. Lett. 46, 5966-5969 (2021)]

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Impact of the precursor gas ratio on dispersion engineering of broadband silicon nitride microresonator frequency combs

Gregory Moille, Daron Westly, Gregory Simelgor, Kartik Srinivasan<br/>Microresonator frequency combs, or microcombs, have gained wide appeal for their rich nonlinear physics and wide range of applications. ... [Opt. Lett. 46, 5970-5973 (2021)]

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Group-velocity dispersion emulator using a time lens

Xinyi Zhu, Luis Romero Cortés, José Azaña<br/>We report a novel method to continuously track the temporal evolution of an arbitrary complex waveform as it propagates through a ... [Opt. Lett. 46, 5974-5977 (2021)]

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Large-area unidirectional surface magnetoplasmons using uniaxial μ-near-zero material

Qian Shen, Xiaodong Zheng, Hang Zhang, Yun You, Linfang Shen<br/>We have theoretically investigated surface magnetoplasmons (SMPs) in a waveguide consisting of a uniaxial μ-near-zero (UMNZ) material ... [Opt. Lett. 46, 5978-5981 (2021)]

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Multi-band low-noise microwave-signal-receiving system with a photonic frequency down-conversion and transfer-learning network

Sicheng Yi, Shaofu Xu, Weiwen Zou<br/>In this Letter, we propose and demonstrate a multi-band signal-receiving system, powered by photonic frequency down-conversion and transfer ... [Opt. Lett. 46, 5982-5985 (2021)]

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