Zobrazeno 1 - 10
of 852
pro vyhledávání: '"Micro ring resonator"'
Autor:
Ricchiuti Giovanna, Walsh Anton, Mendoza-Castro Jesús Hernán, Vorobev Artem S., Kotlyar Maria, Lukasievicz Gustavo V. B., Iadanza Simone, Grande Marco, Lendl Bernhard, O’Faolain Liam
Publikováno v:
Nanophotonics, Vol 13, Iss 13, Pp 2417-2427 (2024)
Laser-based mid-infrared (mid-IR) photothermal spectroscopy (PTS) represents a selective, fast, and sensitive analytical technique. Recent developments in laser design permits the coverage of wider spectral regions in combination with higher power, e
Externí odkaz:
https://doaj.org/article/6d1f95391c054b1f87f513028f8df79d
Publikováno v:
Opto-Electronic Science, Vol 2, Iss 12, Pp 1-10 (2023)
With the advancement of deep learning and neural networks, the computational demands for applications in wearable devices have grown exponentially. However, wearable devices also have strict requirements for long battery life, low power consumption,
Externí odkaz:
https://doaj.org/article/c3d148e406c648be9911cf00c5d13adb
Publikováno v:
Nanophotonics, Vol 12, Iss 22, Pp 4127-4136 (2023)
Polarization processors with versatile functionalities are needed in optical systems, which use or manipulate polarized light. In this paper, we propose and realize an integrated polarization processor based on a coherent 4-port micro-ring resonator.
Externí odkaz:
https://doaj.org/article/e2c2d3120908470fb216cb02a786cb02
Akademický článek
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Publikováno v:
Nano Convergence, Vol 10, Iss 1, Pp 1-19 (2023)
Abstract Photoacoustic (PA) imaging enables noninvasive volumetric imaging of biological tissues by capturing the endogenous optical absorption contrast. Conventional ultrasound detectors using piezoelectric materials have been widely used for transd
Externí odkaz:
https://doaj.org/article/1905d77e896d4560b084c56a26e7ef36
Publikováno v:
Symmetry, Vol 16, Iss 4, p 430 (2024)
We develop a 4 × 4-matrix model based on temporal coupled mode theory (TCMT) to elucidate the intricate energy exchange within a non-Hermitian, resonant photonic structure, based on the recently described infinity-loop micro-resonator (ILMR). We con
Externí odkaz:
https://doaj.org/article/852fb64c34a44a89b341f952131619fc
Autor:
Youngseop Lee, Qiangzhou Rong, Ki-Hee Song, David A. Czaplewski, Hao F. Zhang, Junjie Yao, Cheng Sun
Publikováno v:
Photoacoustics, Vol 34, Iss , Pp 100574- (2023)
Combining the diffusive laser excitation and the photoacoustic signals detection, photoacoustic computed tomography (PACT) is uniquely suited for deep tissue imaging. A diffraction-limited ultrasound point detector is highly desirable for maximizing
Externí odkaz:
https://doaj.org/article/966c966f977349c0bfd7afda22499463
Autor:
Grosman Arieh, Duanis-Assaf Tal, Mazurski Noa, Zektzer Roy, Frydendahl Christian, Stern Liron, Reches Meital, Levy Uriel
Publikováno v:
Nanophotonics, Vol 12, Iss 14, Pp 2831-2839 (2023)
Coronavirus disease 2019 (COVID-19) is a newly emerging human infectious disease that continues to develop new variants. A crucial step in the quest to reduce the infection is the development of rapid and reliable virus detectors. Here, we report a c
Externí odkaz:
https://doaj.org/article/9b7e2a533d4e4ee29888151fd8891119
Publikováno v:
Frontiers of Optoelectronics, Vol 16, Iss 1, Pp 1-8 (2023)
Abstract Microwave photonic sensors are promising for improving sensing resolution and speed of optical sensors. In this paper, a high-sensitivity, high-resolution temperature sensor based on microwave photonic filter (MPF) is proposed and demonstrat
Externí odkaz:
https://doaj.org/article/826e45090f3d4c8e87c1e32473e169b5
Publikováno v:
SN Applied Sciences, Vol 5, Iss 1, Pp 1-10 (2022)
Article Highlights Fabrication of an optical waveguide amplifier with low loss for an integrated optics applications. Using cost effective sol–gel method and accessible equipments (avoiding expensive sputtering methods). Achieving final net gain of
Externí odkaz:
https://doaj.org/article/af91518467e243509bb7285e5eb3870e