Results 21 to 30 of about 159,108 (278)
Scientific Reports, 2022 In this paper, we propose and demonstrate a novel interferometer and signal process to retrieve two-dimensional signals with multilevel phases. The interferometer is based on a shearing interferometry with double-frequency grating, and phase-shifting ...
Yeh-Wei Yu +3 more
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Synthetic gauge potential and effective magnetic field in a Raman medium undergoing molecular modulation [PDF]
, 2016 We theoretically demonstrate non-trivial topological effects for a probe field in a Raman medium undergoing molecular modulation processes. The medium is driven by two non-collinear pump beams.
Fan, Shanhui, Wang, Da-wei, Yuan, Luqi
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Achromatic linear polarization rotators by tandem twisted nematic liquid crystal cells
Scientific Reports, 2018 An achromatic linear polarization rotator based on a tandem-2ϕ-twisted nematic liquid crystal cell (tandem-2ϕ-TNLC cell, where 2ϕ represents the total twisted angle) is theoretically analyzed and experimentally demonstrated.
Te-Yuan Chung +4 more
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Non-Hermitian coherent coupling of nanomagnets by exchange spin waves [PDF]
, 2020 Non-Hermitian physics has recently attracted much attention in optics and photonics. Less explored is non-Hermitian magnonics that provides opportunities to take advantage of the inevitable dissipation of magnons or spin waves in magnetic systems.
Bauer, G. +19 more
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Scientific Reports, 2022 In this study, we proposed and demonstrated a circuit design for solving problems related to blue light leakage (e.g., eye damage) when phosphor-converted white light-emitting diodes (pcW-LEDs) overheat.
Ching-Cherng Sun +6 more
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Photons, neutrinos, and the optical activity [PDF]
Physical Review D, 2001 We compute the one-loop helicity amplitudes for low-energy $ \to $ scattering and its crossed channels in the standard model with massless neutrinos. In the center of mass, with $\sqrt{s} = 2 \ll 2m_e$, the cross sections for these $2\to 2$ channels grow roughly as $ ^6$. The scattered photons in the elastic channel are circularly polarized and
Abbasabadi, Ali, Repko, Wayne W.
openaire +2 more sources
The Boston University Photonics Center annual report 2016-2017 [PDF]
, 2017 This repository item contains an annual report that summarizes activities of the Boston University Photonics Center in the 2016-2017 academic year. The report provides quantitative and descriptive information regarding photonics programs in education ...
The Boston University Photonics Center
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Remote Sensing, 2022 Although the performance of unmanned aerial vehicle (UAV) tracking has benefited from the successful application of discriminative correlation filters (DCF) and convolutional neural networks (CNNs), UAV tracking under occlusion and deformation remains a ...
Yashuo Bai +8 more
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Fighting against fast speckle decorrelation for light focusing inside live tissue by photon frequency shifting [PDF]
, 2020 Light focusing inside live tissue by digital optical phase conjugation (DOPC) has drawn increasing interest due to its potential biomedical applications in optogenetics, microsurgery, phototherapy, and deep-tissue imaging.
Cheng, Zhongtao +5 more
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Harnessing optical micro-combs for microwave photonics
, 2018 In the past decade, optical frequency combs generated by high-Q micro-resonators, or micro-combs, which feature compact device footprints, high energy efficiency, and high-repetition-rates in broad optical bandwidths, have led to a revolution in a wide ...
Chu, Sai Tak +8 more
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