Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My Custom Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1966 2
1967 1
1968 1
1970 2
1972 1
1975 6
1976 4
1977 3
1978 2
1979 6
1980 4
1981 7
1982 7
1983 11
1984 8
1985 7
1986 10
1987 14
1988 16
1989 22
1990 18
1991 25
1992 18
1993 18
1994 39
1995 21
1996 26
1997 26
1998 27
1999 21
2000 56
2001 33
2002 45
2003 47
2004 52
2005 58
2006 66
2007 72
2008 97
2009 93
2010 95
2011 106
2012 119
2013 151
2014 155
2015 198
2016 204
2017 213
2018 245
2019 263
2020 281
2021 350
2022 312
2023 393
2024 509
2025 623
2026 5

Publication date

Text availability

Article attribute

Article type

Additional filters

Article Language

Species

Sex

Age

Other

Search Results

4,849 results

Results by year

Filters applied: . Clear all
Page 1
High density lithium niobate photonic integrated circuits.
Li Z, Wang RN, Lihachev G, Zhang J, Tan Z, Churaev M, Kuznetsov N, Siddharth A, Bereyhi MJ, Riemensberger J, Kippenberg TJ. Li Z, et al. Nat Commun. 2023 Aug 10;14(1):4856. doi: 10.1038/s41467-023-40502-8. Nat Commun. 2023. PMID: 37563149 Free PMC article.
Photonic integrated circuits have the potential to pervade into multiple applications traditionally limited to bulk optics. ...In contrast to widely employed ridge waveguides, this approach benefits from a more than one order of magnitude higher area integration …
Photonic integrated circuits have the potential to pervade into multiple applications traditionally limited to bulk optics. .. …
Macular Pigment Optical Density as a Measurable Modifiable Clinical Biomarker.
Masri A, Armanazi M, Inouye K, Geierhart DL, Davey PG, Vasudevan B. Masri A, et al. Nutrients. 2024 Sep 27;16(19):3273. doi: 10.3390/nu16193273. Nutrients. 2024. PMID: 39408240 Free PMC article. Review.
BACKGROUND: Carotenoids are present throughout retina and body its dense deposition leads to an identifiable yellow spot in the macula. Macular pigment optical density (MPOD) measured in the macula is vital to macular well-being and high-resolution visual acuity. .. …
BACKGROUND: Carotenoids are present throughout retina and body its dense deposition leads to an identifiable yellow spot in the macula. Macu …
Integrated ultra-high-performance graphene optical modulator.
Heidari E, Dalir H, Koushyar FM, Nouri BM, Patil C, Miscuglio M, Akinwande D, Sorger VJ. Heidari E, et al. Nanophotonics. 2022 Mar 17;11(17):4011-4016. doi: 10.1515/nanoph-2021-0797. eCollection 2022 Sep. Nanophotonics. 2022. PMID: 39635172 Free PMC article.
The hunt for an electro-optic modulator that combines high speed, energy efficiency, and compactness to support high component density on-chip continues. Using a double-layer graphene optical modulator integrated on a Silicon photonics platform, we are …
The hunt for an electro-optic modulator that combines high speed, energy efficiency, and compactness to support high component den …
A monolithically integrated optical Ising machine.
Wu B, Zhang W, Zhang S, Zhou H, Ruan Z, Li M, Huang D, Dong J, Zhang X. Wu B, et al. Nat Commun. 2025 May 8;16(1):4296. doi: 10.1038/s41467-025-59537-0. Nat Commun. 2025. PMID: 40341729 Free PMC article.
The growing demand for enhanced computational power and energy efficiency has driven the development of optical Ising machines for solving combinatorial optimization problems. However, existing implementations face challenges in integration density and energy …
The growing demand for enhanced computational power and energy efficiency has driven the development of optical Ising machines for so …
Deep Learning of the Retina Enables Phenome- and Genome-Wide Analyses of the Microvasculature.
Zekavat SM, Raghu VK, Trinder M, Ye Y, Koyama S, Honigberg MC, Yu Z, Pampana A, Urbut S, Haidermota S, O'Regan DP, Zhao H, Ellinor PT, Segrè AV, Elze T, Wiggs JL, Martone J, Adelman RA, Zebardast N, Del Priore L, Wang JC, Natarajan P. Zekavat SM, et al. Circulation. 2022 Jan 11;145(2):134-150. doi: 10.1161/CIRCULATIONAHA.121.057709. Epub 2021 Nov 8. Circulation. 2022. PMID: 34743558 Free PMC article.
RESULTS: Low retinal vascular fractal dimension and density were significantly associated with higher risks for incident mortality, hypertension, congestive heart failure, renal failure, type 2 diabetes, sleep apnea, anemia, and multiple ocular conditions, as well as corre …
RESULTS: Low retinal vascular fractal dimension and density were significantly associated with higher risks for incident mortality, h …
Fundus Tessellated Density of Pathologic Myopia.
He HL, Liu YX, Chen XY, Ling SG, Qi Y, Xiong Y, Jin ZB. He HL, et al. Asia Pac J Ophthalmol (Phila). 2023 Nov-Dec 01;12(6):604-613. doi: 10.1097/APO.0000000000000642. Epub 2023 Nov 20. Asia Pac J Ophthalmol (Phila). 2023. PMID: 38079255 Free article.
PURPOSE: The study aimed to quantitatively evaluate the fundus tessellated density (FTD) in different categories of pathologic myopia (PM) using fundus photographs with the application of artificial intelligence. METHODS: A retrospective review of 407 PM (META-PM, Category …
PURPOSE: The study aimed to quantitatively evaluate the fundus tessellated density (FTD) in different categories of pathologic myopia …
Optical impedance spectroscopy with single-mode electro-active-integrated optical waveguides.
Han X, Mendes SB. Han X, et al. Anal Chem. 2014 Feb 4;86(3):1468-77. doi: 10.1021/ac4030736. Epub 2014 Jan 21. Anal Chem. 2014. PMID: 24417718 Free PMC article.
An optical impedance spectroscopy (OIS) technique based on a single-mode electro-active-integrated optical waveguide (EA-IOW) was developed to investigate electron-transfer processes of redox adsorbates. ...To properly retrieve the faradaic current density …
An optical impedance spectroscopy (OIS) technique based on a single-mode electro-active-integrated optical waveguide (E …
Vessel Density Features of Optical Coherence Tomography Angiography for Classification of Glaucoma Using Machine Learning.
Jalili J, Nadimi M, Jafari B, Esfandiari A, Sadeghi R, Ghahari P, Sajedi M, Safizade M, Aghsaei Fard M. Jalili J, et al. J Glaucoma. 2023 Dec 1;32(12):1006-1010. doi: 10.1097/IJG.0000000000002329. Epub 2023 Oct 19. J Glaucoma. 2023. PMID: 37974327
BACKGROUND: To assess the classification performance of ML based on the 4 vessel density features of peripapillary optical coherence tomography angiography for glaucoma detection. METHODS: Images from 119 eyes of 119 glaucoma patients and 76 eyes of 76 healthy indiv …
BACKGROUND: To assess the classification performance of ML based on the 4 vessel density features of peripapillary optical coh …
Phenotypic and genetic characteristics of retinal vascular parameters and their association with diseases.
Ortín Vela S, Beyeler MJ, Trofimova O, Iuliani I, Vargas Quiros JD, de Vries VA, Meloni I, Elwakil A, Hoogewoud F, Liefers B, Presby D, Ramdas WD, Tomasoni M, Schlingemann R, Klaver CCW, Bergmann S. Ortín Vela S, et al. Nat Commun. 2024 Nov 6;15(1):9593. doi: 10.1038/s41467-024-52334-1. Nat Commun. 2024. PMID: 39505872 Free PMC article.
Using a fully automated image processing pipeline, we extract 17 different morphological vascular phenotypes, including median vessels diameter, diameter variability, main temporal angles, vascular density, central retinal equivalents, the number of bifurcations, and tortu …
Using a fully automated image processing pipeline, we extract 17 different morphological vascular phenotypes, including median vessels diame …
Ultra-broadband all-optical nonlinear activation function enabled by MoTe(2)/optical waveguide integrated devices.
Chen C, Yang Z, Wang T, Wang Y, Gao K, Wu J, Wang J, Qiu J, Tan D. Chen C, et al. Nat Commun. 2024 Oct 19;15(1):9047. doi: 10.1038/s41467-024-53371-6. Nat Commun. 2024. PMID: 39426957 Free PMC article.
As linear matrix computation advances in integrated ONNs, on-chip all-optical NAFs face challenges such as limited integration, high latency, substantial power consumption, and a high activation threshold. In this work, we develop an integrated nonline …
As linear matrix computation advances in integrated ONNs, on-chip all-optical NAFs face challenges such as limited integrat …
4,849 results