Search Results - "Optical refraction"

Journal Article

A Metalens with a Near-Unity Numerical Aperture

by Paniagua-Domínguez, Ramón Yu, Ye Feng Khaidarov, Egor Choi, Sumin Leong, Victor Bakker, Reuben M Liang, Xinan Fu, Yuan Hsing Valuckas, Vytautas Krivitsky, Leonid A Kuznetsov, Arseniy I Published in Nano letters (14.03.2018)

“...The numerical aperture (NA) of a lens determines its ability to focus light and its resolving capability. Having a large NA is a very desirable quality for...”

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Journal Article

Optical Metasurfaces and Prospect of Their Applications Including Fiber Optics

by Nanfang Yu Capasso, Federico Published in Journal of lightwave technology (15.06.2015)

“...Metasurfaces have emerged in the recent years as a platform to design subwavelength-thick optical components ("flat optics"), which can be used to implement...”

Journal Article

A Monolithically Integrated Large-Scale Optical Phased Array in Silicon-on-Insulator CMOS

by SungWon Chung Abediasl, Hooman Hashemi, Hossein Published in IEEE journal of solid-state circuits (01.01.2018)

“...A large-scale monolithic silicon nanophotonic phased array on a chip creates and dynamically steers a high-resolution optical beam in free space, enabling...”

Journal Article

Radiation Effects on Silica-Based Optical Fibers: Recent Advances and Future Challenges

by Girard, S Kuhnhenn, J Gusarov, A Brichard, B Van Uffelen, M Ouerdane, Y Boukenter, A Marcandella, C Published in IEEE transactions on nuclear science (01.06.2013)

“...In this review paper, we present radiation effects on silica-based optical fibers. We first describe the mechanisms inducing microscopic and macroscopic...”

Journal Article

Cooperative Load Balancing in Hybrid Visible Light Communications and WiFi

by Xuan Li Rong Zhang Hanzo, Lajos Published in IEEE transactions on communications (01.04.2015)

“...As a complementary extension of established Radio Frequency (RF) Wireless Local Area Networks (WLANs), Visible Light Communication (VLC) using commercially...”

Journal Article

A 25 Gb/s, 4.4 V-Swing, AC-Coupled Ring Modulator-Based WDM Transmitter with Wavelength Stabilization in 65 nm CMOS

by Li, Hao Ding, Ran Baehr-Jones, Thomas Fiorentino, Marco Hochberg, Michael Palermo, Samuel Chiang, Patrick Yin Xuan, Zhe Titriku, Alex Li, Cheng Yu, Kunzhi Wang, Binhao Shafik, Ayman Qi, Nan Liu, Yang Published in IEEE journal of solid-state circuits (01.12.2015)

“...Silicon photonics devices offer promising solution to meet the growing bandwidth demands of next-generation interconnects. This paper presents a 5 × 25 Gb/s...”

Journal Article

Tunability and Robustness of Dirac Points of Photonic Nanostructures

by Hanying Deng Xianfeng Chen Malomed, Boris A Panoiu, Nicolae C Fangwei Ye Published in IEEE journal of selected topics in quantum electronics (01.09.2016)

“...We study the tunability and robustness of photonic Dirac points (DPs) in plasmonic nanostructures. The tunability of the DP is demonstrated in graphene-based...”

Conference Proceeding

Single lens off-chip cellphone microscopy

by Arpa, A Wetzstein, G Lanman, D Raskar, R Published in 2012 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops (01.06.2012)

“...Within the last few years, cellphone subscriptions have widely spread and now cover even the remotest parts of the planet. Adequate access to healthcare,...”

Journal Article

Photo-induced thermo-optical refraction switching by a graphene-assisted silicon microring resonator

by Li, Zhen-Wei Liu, Qiang Wang, Hong Deng, Meng Huang, Qingzhong Wang, Yi Published in Journal of lightwave technology (11.03.2021)

“...We demonstrate the in-plane photo-induced thermo-optical refraction switching using a silicon all-pass microring resonator (APMRR) assisted by graphene. The...”

Journal Article

Single-Mode High-Speed 1.5-μm VCSELs

by Spiga, Silvia Soenen, Wouter Andrejew, Alexander Schoke, Dean Maximilian Xin Yin Bauwelinck, Johan Boehm, Gerhard Amann, Markus-Christian Published in Journal of lightwave technology (15.02.2017)

“...Single-mode 1.5-μm InP-based vertical-cavity surface-emitting lasers (VCSELs) with a 1.5-λ-long semiconductor cavity and two dielectric distributed Bragg...”

Journal Article

Advanced Optical Spatial Modulation Techniques for FSO Communication

by Bhowal, Anirban Kshetrimayum, Rakhesh Singh Published in IEEE transactions on communications (01.02.2021)

“...In this paper, spectral efficiency of free-space optical (FSO) communication is enhanced by the utilization of advanced schemes of optical spatial modulation...”

Journal Article

Engineering profiles of thermally drawn optical fiber tapers

by Rukhlenko, Ivan Dmitrievich Noskov, Roman E Fleming, Simon Jain, Deepak Published in Journal of lightwave technology (28.01.2021)

“...Thermal fiber drawing is an efficient technique for producing optical fiber tapers whose operation regime gradually varies between multi-mode and single-mode...”

Journal Article

All-Optical Hybrid VO \text/Si Waveguide Absorption Switch at Telecommunication Wavelengths

by Parra, Jorge Ivanova, Todora Menghini, Mariela Homm, Pia Locquet, Jean-Pierre Sanchiskilders, Pablo Published in Journal of lightwave technology (28.01.2021)

“...Vanadium dioxide (VO _\text{2} ) is one of the most promising materials for developing hybrid photonic integrated circuits (PICs). At telecommunication...”

Journal Article

Anticipatory Association for Indoor Visible Light Communications: Light, Follow Me

by Rong Zhang Ying Cui Claussen, Holger Haas, Harald Hanzo, Lajos Published in IEEE transactions on wireless communications (01.04.2018)

“...In this paper, a radically new anticipatory perspective is taken into account when designing the user-to-access point (AP) associations for indoor visible...”

Journal Article

On-chip Detector Based on Supercontinuum Generation in Chalcogenide Waveguide

by Shang, Haiyan Sun, Dandan Zhang, Mingjie Song, Jingcui Yang, Zelin Liu, Dong Zeng, Siqing Wan, Lei Zhang, Bin Wang, Zhi Li, Zhaohui Liu, Yan-Ge Published in Journal of lightwave technology (07.12.2020)

“...We present the design, preparation and performance optimization of strip waveguide in chalcogenide glass (ChG) for broadband supercontinuum (SC) generation...”

Journal Article

Access Point Selection for Hybrid Li-Fi and Wi-Fi Networks

by Xiping Wu Safari, Majid Haas, Harald Published in IEEE transactions on communications (01.12.2017)

“...Hybrid light fidelity (Li-Fi) and wireless fidelity (Wi-Fi) networks are an emerging technology for future indoor wireless communications. This hybrid network...”

Journal Article

A Review on Guided Optical Feedback in Super-Luminescence Diodes for Metrological Purposes

by Cattini, Stefano Rovati, Luigi Published in Journal of lightwave technology (03.11.2020)

“...Low-coherence interferometry (LCI) is a widely used measurement technique. Typical applications of LCI range from optical low-coherence reflectometry (OLCR) to...”

Conference Proceeding

Trapping light by mimicking gravitational lensing

by Sheng, C Liu, H Wang, Y Zhu, S. N Genov, D. A Published in CLEO: 2013 (01.06.2013)

“...We propose a distorted optical waveguide around a microsphere to mimic curved spacetimes caused by the "gravitational fields". Gravitational lensing effects...”

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Journal Article

On the Asymptotic Capacity of Dual-Aperture FSO Systems With Generalized Pointing Error Model

by AlQuwaiee, Hessa Hong-Chuan Yang Alouini, Mohamed-Slim Published in IEEE transactions on wireless communications (01.09.2016)

“...Free-space optical (FSO) communication systems are negatively affected by two physical phenomenon, namely, scintillation due to atmospheric turbulence and...”

Journal Article

Statistical Studies of Fading in Underwater Wireless Optical Channels in the Presence of Air Bubble, Temperature, and Salinity Random Variations

by Jamali, Mohammad Vahid Mirani, Ali Parsay, Alireza Abolhassani, Bahman Nabavi, Pooya Chizari, Ata Khorramshahi, Pirazh Abdollahramezani, Sajjad Salehi, Jawad A Published in IEEE transactions on communications (01.10.2018)

“...Optical signal propagation through underwater channels is affected by three main degrading phenomena, namely, absorption, scattering, and fading. In this...”

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