Results 71 to 80 of about 1,575,897 (306)

Integrated Transversal Equalizers in High-Speed Fiber-Optic Systems [PDF]

, 2003
Intersymbol interference (ISI) caused by intermodal dispersion in multimode fibers is the major limiting factor in the achievable data rate or transmission distance in high-speed multimode fiber-optic links for local area networks applications.
Gowda, Sudhir, Hajimiri, Ali, Kash, Jeffrey A., Pepeljugoski, Petar, Schaub, Jeremy, Tierno, Jose A., Wu, Hui   +6 more
core  

Nonlinear multimodal interference and saturable absorption using a short graded-index multimode optical fiber

, 2013
A detailed investigation of the nonlinear multimodal interference in a short graded-index multimode optical fiber is presented. The analysis is performed for a specific device geometry, where the light is coupled in and out of the multimode fiber via ...
Mafi, Arash, Nazemosadat, Elham
core   +1 more source

Spatial beam self-cleaning and supercontinuum generation with Yb-doped multimode graded-index fiber taper based on accelerating self-imaging and dissipative landscape [PDF]

, 2019
We experimentally demonstrate spatial beam self-cleaning and supercontinuum generation in a tapered Ytterbium-doped multimode optical fiber with parabolic core refractive index profile when 1064 nm pulsed beams propagate from wider (122 µm) into smaller (
Couderc, V., Egorova, O. N., Fabert, M., Krupa, K., Leproux, P., Levchenko, A. E., Lipatov, D. S., Mansuryan, T., Millot, G., Modotto, D., Niang, A., Semjonov, S. L., Tonello, A., Wabnitz, S.   +13 more
core   +1 more source

Self‐Hybridized Exciton‐Polariton Photodetectors From Layered Metal‐Organic Chalcogenolates

Advanced Functional Materials, EarlyView.
Self‐hybridized exciton‐polariton photodetectors are demonstrated using high refractive index mithrene, eliminating the need for top mirrors. This simplified architecture enables tunable sub‐bandgap photodetection via lower exciton‐polariton states and enhanced carrier transport through ultrafast polariton group velocities.
Bongjun Choi, Adam D. Alfieri, Wangleong Chen, Deep Jariwala   +3 more
wiley   +1 more source

High-Power Continuous-Wave Directly-Diode-Pumped Fiber Raman Lasers

Applied Sciences, 2015
We describe novel fiber Raman lasers pumped directly by spectrally combined high power multimode laser diodes at 975 nm and emitting at 1019 nm. With a commercial multimode graded-index fiber, we reached 20 W of laser output power with a record slope ...
Tianfu Yao, Achar V. Harish, Jayanta K. Sahu, Johan Nilsson   +3 more
doaj   +1 more source

Dispensing Volumetric Additive Manufacturing

Advanced Functional Materials, EarlyView.
Dispensing volumetric additive manufacturing (DVAM) prints 3D structures inside a photocurable resin droplet suspended from the tip of a glass pipette, enabling sequential printing without resin vats or manual part removal. Real‐time droplet profiling and ray‐tracing‐based correction compensate for optical distortion at the curved resin‐air interface ...
Hongryung Jeon, Yunsoo Lee, Seobin Park, Kyung‐Hwan Kim, Junyoung Seo, Im Doo Jung   +5 more
wiley   +1 more source

Four-Wave Mixing of a Laser and Its Frequency-Doubled Version in a Multimode Optical Fiber

Photonics, 2015
It is shown that it is possible to couple a laser beam and its frequency-doubled daughter into a multimode optical fiber through the four-wave mixing nonlinear process and generate a new wavelength.
Hamed Pourbeyram, Arash Mafi
doaj   +1 more source

Multimode-fiber-coupled superconducting nanowire single-photon detectors with high detection efficiency and time resolution. [PDF]

Applied Optics, 2019
In the past decade, superconducting nanowire single-photon detectors (SNSPDs) have gradually become an indispensable part of any demanding quantum optics experiment. Until now, most SNSPDs have been coupled to single-mode fibers.
Jin Chang, I. Zadeh, J. Los, J. Zichi, A. Fognini, M. Gevers, S. Dorenbos, S. Pereira, P. Urbach, V. Zwiller   +9 more
semanticscholar   +1 more source

Bioactive Conductive Ti3C2Tx‐Ce Hydrogel Facilitates Spinal Cord Injury Repair Through ROS Scavenging and Mitochondrial Regulation

Advanced Functional Materials, EarlyView.
Bioactive conductive Ti3C2Tx‐Ce hydrogels with with scavenging ROS and alleviating neuronal mitochondrial dysfunction are exploited for SCI treatment. This functionality is attributed to interfacial activation modification of Ti3C2Tx with Ce3+ ions to in‐situ form Ce(OH)x‐mediated protective layer, which is beneficial to enabling stable intracellular ...
Weikang Wang, Qing Liu, Ang Lv, Yabin Lin, Jiawei Chen, Ning Ding, Chunlei Zhang, Shuai Zhou, Bo Yuan, Weiwei Zhao, Liming Li, Luping Zhang, Fei Huang   +12 more
wiley   +1 more source

Multimode fiber optic sensors [PDF]

The Journal of the Acoustical Society of America, 1990
A theoretical approach useful in the design of multimode optical fiber sensors is described. An intensity distribution function is derived when assuming that a multimode optical fiber is illuminated by a light source that can be approximated by infinite uniangular beams carrying equal power.
Frank W. Cuomo, Gang He
openaire   +1 more source