Academic literature on the topic 'Polarization capacity'

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Journal articles on the topic "Polarization capacity"

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Yunita, Trasma, Harfan H. Ryanu, and Aloysius A. Pramudita. "Effect of Antenna Polarization Arrangement on MIMO Channel Capacity." Emerging Science Journal 9, no. 2 (2025): 1076–88. https://doi.org/10.28991/esj-2025-09-02-028.

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This study investigates the effect of antenna polarization configurations on the channel capacity of Multiple-Input Multiple-Output (MIMO) systems. Theoretical modeling and computational simulations are conducted to examine the impact. The theoretical model is predicated on a MIMO arrangement with a half-wavelength Dipole antenna as the MIMO element. The influence of antenna polarization on MIMO capacity is expressed via mutual impedance as a function of antenna polarization. Theoretical and simulation results indicate that antenna polarization influences the capacity of MIMO channels. Cross-p
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Xiong, Bo, Yu Liu, Yihao Xu, et al. "Breaking the limitation of polarization multiplexing in optical metasurfaces with engineered noise." Science 379, no. 6629 (2023): 294–99. http://dx.doi.org/10.1126/science.ade5140.

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Noise is usually undesired yet inevitable in science and engineering. However, by introducing the engineered noise to the precise solution of Jones matrix elements, we break the fundamental limit of polarization multiplexing capacity of metasurfaces that roots from the dimension constraints of the Jones matrix. We experimentally demonstrate up to 11 independent holographic images using a single metasurface illuminated by visible light with different polarizations. To the best of our knowledge, it is the highest capacity reported for polarization multiplexing. Combining the position multiplexin
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Li, Lin-Yi, Tie-Jun Wang, and Chuan Wang. "The analysis of high-capacity quantum secure direct communication using polarization and orbital angular momentum of photons." Modern Physics Letters B 34, no. 02 (2019): 2050017. http://dx.doi.org/10.1142/s0217984920500177.

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Higher channel capacity and noise elimination are the key requirements for the implementation of long-distance quantum communication. As the additional degrees of freedom (DoF) of photons can be employed to achieve higher channel capacity and security beyond the polarizations DoF of photons, the photonic qubits are always employed as the flying qubits in quantum communication and quantum information processing. Here, exploiting the multiple DoFs of photons, we present an efficient quantum secure direct communication protocol based on the coding and manipulation of qubits on both the polarizati
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Мартинчук, О. О., Г. М. Зубрицький, Лі Сюань, and О. О. Мартинчук. "Some limitations of evaluating dual-polarized MIMO channel capacity." Системи обробки інформації, no. 2(161), (June 15, 2020): 16–21. http://dx.doi.org/10.30748/soi.2020.161.02.

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This article discusses possible bandwidth limitations of a radio access channel using MIMO technology with polarization-orthogonal channels, or dual polarization channels. The main attention is paid to the presence of cross-polarization isolation between channels, or cross-polarization relation, or Cross Polar Discrimination. The indicated ratio is determined mainly by the design features of the antennas. It is proposed to choose antennas with the minimum required values of cross-polarization ratio, which limit a given channel bandwidth.
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Błasiok, Jarosław, Venkatesan Guruswami, Preetum Nakkiran, Atri Rudra, and Madhu Sudan. "General Strong Polarization." Journal of the ACM 69, no. 2 (2022): 1–67. http://dx.doi.org/10.1145/3491390.

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Arıkan’s exciting discovery of polar codes has provided an altogether new way to efficiently achieve Shannon capacity. Given a (constant-sized) invertible matrix M , a family of polar codes can be associated with this matrix and its ability to approach capacity follows from the polarization of an associated [0, 1]-bounded martingale, namely its convergence in the limit to either 0 or 1 with probability 1. Arıkan showed appropriate polarization of the martingale associated with the matrix ( G 2 = ( 1 1 0 1) to get capacity achieving codes. His analysis was later extended to all matrices M that
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Wehner, Rüdiger. "Polarization vision – a uniform sensory capacity?" Journal of Experimental Biology 204, no. 14 (2001): 2589–96. http://dx.doi.org/10.1242/jeb.204.14.2589.

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SUMMARYIn this concept paper, three scenarios are described in which animals make use of polarized light: the underwater world, the water surface and the terrestrial habitat vaulted by the pattern of polarized light in the sky. Within these various visual environments, polarized light is used in a number of ways that make quite different demands on the neural circuitries mediating these different types of behaviour. Apart from some common receptor and pre-processing mechanisms, the underlying neural mechanisms may differ accordingly. Often, information about χ (the angle of polarization), d (t
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Rizki, Abdurrahman, Alloysius Adya Pramudita, and Trasma Yunita. "PENGARUH PENYUSUNAN POLARISASI PADA SISTEM ANTENA MIMO TERHADAP KAPASITAS KANAL." TEKTRIKA - Jurnal Penelitian dan Pengembangan Telekomunikasi, Kendali, Komputer, Elektrik, dan Elektronika 5, no. 1 (2020): 13. http://dx.doi.org/10.25124/tektrika.v5i1.3240.

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Multiple Input Multiple Output (MIMO) system is a technology that has the potential to be developed to increase channel capacity. The increase in channel capacity in the MIMO system is not only determined by the number of antennas, but is determined by the characteristics and arrangement of the antenna concept. This study identifies the effect of circular polarization on the MIMO antenna system on channel capacity. Co-polarization consists of a Left Hand Circular Polarization (LHCP) and Right Hand Circular Polarization (RHCP) configuration, while cross-polarization consists of an RHCP-LHCP con
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Farhang, Sean. "Legislative Capacity & Administrative Power Under Divided Polarization." Daedalus 150, no. 3 (2021): 49–67. http://dx.doi.org/10.1162/daed_a_01859.

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Abstract Conventional wisdom holds that party polarization leads to legislative gridlock, which in turn disables congressional oversight of agencies and thus erodes their constitutional legitimacy and democratic accountability. At the root of this argument is an empirical claim that higher levels of polarization materially reduce legislative productivity as measured by the number of laws passed or the number of issues on the legislative agenda addressed by those laws, both of which are negatively associated with party polarization. By focusing on the content of statutes passed rather than thei
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Averina, Ekaterina V., Ksenia V. Smuseva, Pavel A. Tokarev, and Grigory K. Uskov. "Influence of crosspolarization of dual-polarized antenna elements on the ergodic capacity of a multichannel system." Physics of Wave Processes and Radio Systems 27, no. 4 (2024): 59–67. https://doi.org/10.18469/1810-3189.2024.27.4.59-67.

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Background. Antenna arrays based on dual-polarization elements are used as radiating devices for modern and perspective radio communication systems. The main factor reducing the effectiveness of this approach is the presence of spatial correlation and cross-polarization between elements in the array. These effects can lead to a significant reduction in communication system capacity. Aim. Derive relationships based on the Kronecker model that allow to take into account the polarization properties of antenna elements when calculating the ergodic capacity of a multi-channel communication system.
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Piltyay, S., A. Bulashenko, Y. Kalinichenko, and O. Bulashenko. "Electromagnetic Performance of Waveguide Polarizers with Sizes Obtained by Single-Mode Technique and by Trust Region Optimization." Advanced Electromagnetics 11, no. 3 (2022): 34–41. http://dx.doi.org/10.7716/aem.v11i3.1809.

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Modern wireless networks, stationary terrestrial and satellite systems use many modern technologies to increase communication channels information capacity. They save limited frequency resources. In satellite communications the polarization signal processing is applied to reuse the allocated frequency bands. Usage of circularly polarized electromagnetic waves, which transmit useful signals, reduces fading effects and eliminates disadvantages introduced by multipath propagation interferences. In this case the distortion levels for signals with an odd number of electromagnetic waves reflections
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Dissertations / Theses on the topic "Polarization capacity"

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Nair, Lakshmi Ravindran. "Industrial and office wideband MIMO channel performance." Diss., Pretoria : [s.n.], 2009. http://upetd.up.ac.za/thesis/available/etd-11262009-181005/.

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Shortridge, Colin D. "The Impact of a Digestive Inflammatory Environment and Genipin Crosslinking on the Immunomodulatory Capacity of an Injectable Musculoskeletal Tissue Scaffold." University of Toledo / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1576081011520158.

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Tinani, Suraj P. "Techniques to Analyze Underdeposit Corrosion." Case Western Reserve University School of Graduate Studies / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=case1272643724.

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Ježík, Jan. "Studium dielektrické relaxace v základních materiálech DPS a v izolacích kabelů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219358.

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This study investigates relaxation polarization in some dielectric components of tester UNISPOT S40 developed by company UNITES Systems a.s. Relaxation polarization in the PCB substrates and in tester’s cable insulation causes undesirable deceleration of some test steps. Relaxation polarization in selected PCB substrates and various cables are examined by method of dielectric relaxation spectroscopy in the frequency domain and by measurement of polarization or depolarization current.
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Tseng, Jung-Kai. "Enhanced Dielectric Properties of Multilayer Capacitor Film via Interfacial Polarization." Case Western Reserve University School of Graduate Studies / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1449137228.

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Larsson, Oscar. "Polyelectrolyte-Based Capacitors and Transistors." Doctoral thesis, Linköpings universitet, Institutionen för teknik och naturvetenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-67852.

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Polymers are very attractive materials that can be tailored for specific needs and functionalities. Based on their chemical structure, they can for instance be made electrically insulating or semiconducting with specific mechanical properties. Polymers are often processable from a solution, which enables the use of conventional low-cost and high-volume manufacturing techniques to print electronic devices onto flexible substrates. A multitude of polymer-based electronic and electrochemical devices and sensors have been developed, of which some already has reached the consumer market. This thesi
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Treufeld, Imre. "I. Polymer Films for High Temperature Capacitor ApplicationsII. Differential Electrochemical Mass Spectrometry." Case Western Reserve University School of Graduate Studies / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1465503063.

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Liu, Lingfeng. "Cooperative wireless channel characterization and modeling: application to body area and cellular networks." Doctoral thesis, Universite Libre de Bruxelles, 2012. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209722.

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Cooperative wireless communication is an attractive technique to explore the spatial channel resources by coordination across multiple links, which can greatly improve the communication performance over single links. In this dissertation, we study the cooperative multi-link channel properties by geometric approaches in body area networks (BANs) and cellular networks respectively.<p><p>In the part of BANs, the dynamic narrowband on-body channels under body motions are modeled statistically on their temporal and spatial fading based on anechoic and indoor measurements. Common body scattering is
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Ben, Zid Maha. "Emploi de techniques de traitement de signal MIMO pour des applications dédiées réseaux de capteurs sans fil." Thesis, Grenoble, 2012. http://www.theses.fr/2012GRENT017/document.

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Dans ce travail de thèse, on s'intéresse é l'emploi de techniques de traitement de signal de systèmes de communication MIMO (Multiple Input Multiple Output) pour des applications aux réseaux de capteurs sans fil. Les contraintes énergétiques de cette classe de réseau font appel à des topologies particulières et le réseau peut être perçu comme étant un ensemble de grappes de nœuds capteurs. Ceci ouvre la porte à des techniques avancées de communication de type MIMO. Dans un premier temps, les différents aspects caractérisant les réseaux de capteurs sans fil sont introduits. Puis, les efforts en
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Gurrieri, Luis. "Spatiotemporal characterization of indoor wireless channels." 2010. http://hdl.handle.net/1993/4289.

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The continuous advancement in wireless communications technology demands new approaches to improving the capacity of existing radio links. The high data throughput required can be achieved by the complete utilization of space, time and polarization diversities inherent in any propagation environment. Among the different propagation scenarios, the indoor channels represent a particularly challenging problem given the number and complexity of interactions between the transmitted signal and the environment. This dissertation explores the interrelation between propagation physics and space-time-po
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Books on the topic "Polarization capacity"

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Center, Ames Research, ed. Estimation of photosynthetic capacity using MODIS polarization: 1988 proposal to NASA Headquarters. National Aeronautics and Space Administration, Ames Research Center, 1992.

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Center, Ames Research, ed. Estimation of photosynthetic capacity using MODIS polarization: 1988 proposal to NASA Headquarters. National Aeronautics and Space Administration, Ames Research Center, 1992.

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National Aeronautics and Space Administration (NASA) Staff. Estimation of Photosynthetic Capacity Using Modis Polarization: 1988 Proposal to NASA Headquarters. Independently Published, 2018.

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Thompson, Douglas I. Montaigne and the Tolerance of Politics. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190679934.001.0001.

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Montaigne and the Tolerance of Politics provides a new interpretation of Michel de Montaigne’s Essais in the context of his activity as a political negotiator between combatant parties during the French Wars of Religion. At the heart of the Essais lies a political conception of tolerance that is rarely considered today. Tolerance is usually conceived as an individual ethical disposition or a moral principle of public law. For Montaigne, tolerance is instead a political capacity: the power and ability to negotiate relationships of basic trust and civil peace with one’s opponents in political co
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Book chapters on the topic "Polarization capacity"

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Yunita, Trasma, Chairunnisa, A. Adya Pramudita, and Achmad Munir. "Effect of Polarization Loss on Channel Capacity." In Advances on Broad-Band and Wireless Computing, Communication and Applications. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-46784-4_27.

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Miljojkovic, Teodora. "Vetting as a Tool for Strengthening Judicial Integrity in the OSCE Region." In Polarization, Shifting Borders and Liquid Governance. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-44584-2_6.

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AbstractVetting procedures have gained momentum in Third Wave Democracies as a tool for rebuilding state capacity post-crisis or during regime shifts within the transitional justice framework. Vetting procedures are present in contemporary legal realities, but the discourse around them remains mainly in the transitional justice setting. This chapter’s central claims are that the aims and rationales of vetting procedures have changed considerably over time; unlike in the transitional justice framework, where the political and moral criteria for judicial assessment matter, contemporary vetting f
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Esmer, Yilmaz. "Identity Politics: Extreme Polarization and the Loss of Capacity to Compromise in Turkey." In Democracy under Threat. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-89453-9_5.

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Powell, Alison B. "Data-Based Frictions in Civic Action: Trust, Technology, and Participation." In Knowledge and Digital Technology. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-39101-9_9.

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AbstractIn order to address climate change and persistent air pollution, many cities have developed policy plans to reduce vehicle through-traffic on residential roads. These are ‘smart city’ policies in the sense that they use data-sets and predictions related to air quality, traffic levels and climate change models to derive policy positions. During the COVID-19 lockdowns, several London inner-city governments introduced low-traffic neighbourhood policies as ‘experimental’ interventions, consulting residents after introducing measures temporarily. Vociferous opposition emerged to these schem
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Bozesan, Mariana. "Turning Mindshifts into Transformation Leadership." In Transformation Literacy. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-93254-1_16.

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AbstractThis chapter analyzes how mindshifts turn into transformation leadership. The COVID-19 pandemic has demonstrated humanity’s collective ability to provide solutions to a disruptive threat in record time. It is this mindset and political will that are required to address the much bigger, existential threats including nuclear, climate change, unsafe AI, and unethical social engineering that is assaulting democracy. After introducing Wilber’s integral theory as an underlying map of consciousness, the author discusses some hidden truths of the current consciousness crisis and maintains that
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Baraban, Inna, Andriy Semenov, Serhii Baraban, Olena Semenova, Mariia Baraban, and Andrii Rudyk. "Mathematical Model of Electric Polarization Switching in a Ferroelectric Capacitor for Ferroelectric RAM." In Information Technology for Education, Science, and Technics. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-35467-0_44.

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Fagan, E. J. "The Growth of Polarization and Partisan Think Tanks." In The Thinkers. Oxford University PressNew York, 2024. http://dx.doi.org/10.1093/oso/9780197759653.003.0006.

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Abstract Decades of research on polarization concludes that American party elites polarized long before their voters, but the research has identified few causes of elite polarization. Using data on think tank revenue and testimony before Congress, this chapter tests whether the broad trends in polarization are related to partisan think tanks. It finds a very close relationship between the growth of polarization and partisan think tanks. Polarization began to increase shortly after the Heritage Foundation was founded in 1973 and increased at almost exactly the same rate as partisan think tank i
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El Kurd, Dana. "The Legacy of Repression." In Polarized and Demobilized. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780190095864.003.0004.

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What is the effect of authoritarianism on polarization within society, and how does such polarization affect collective action? The argument of the chapter is that authoritarianism generates rising polarization, which in turn inhibits collective action—particularly against the regime. Specifically, the type of authoritarian strategy matters; exclusionary strategies such as repression generate higher levels of grievance and insularity, making it more difficult for groups to coordinate, than inclusionary strategies such as cooptation. The chapter presents a two-stage theory: arguing, firstly, th
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França, Reinaldo Padilha, Ana Carolina Borges Monteiro, Rangel Arthur, and Yuzo Iano. "A Review of MIMO." In Design Methodologies and Tools for 5G Network Development and Application. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-4610-9.ch011.

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MIMO is the technology that allows equipment to work with both polarizations at the same time, both horizontally and vertically, and the devices make this function as a download-only polarization and another upload-only polarization. Others still do not do either of these controls and connect using both biases at the same time, so the data transfer rate can double. MIMO is an integral part of modern wireless communications technologies, whether you're talking about 802.11ac or 4G LTE Wi-Fi network data. It arose from a need to increase the transmission capacity of an access point and is basica
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Krane, Dale, and Shihyun Noh. "Partisan Polarization, Administrative Capacity, and State Discretion in the Affordable Care Act." In Intergovernmental Relations in Transition. Routledge, 2018. http://dx.doi.org/10.4324/9781351182164-7.

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Conference papers on the topic "Polarization capacity"

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Zhao, Ying, Christopher Doerr, Fengyu Liu, Sivagururaman Mahadevan, Fatemeh Ghaedi Vanani та Makoto Takeshita. "425-Gbps/λ Dual-polarization IMDD Transceiver". У Optical Fiber Communication Conference. Optica Publishing Group, 2025. https://doi.org/10.1364/ofc.2025.th4b.5.

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We present a 425-Gbps/λ dual-polarization (DP) IMDD transceiver in an OSFP form factor for intra-data-center applications. A real-time experiment with robust endless polarization tracking proves that DP is capable of doubling IMDD link capacity.
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Sarihan, Murat Can, Kai-Chi Chang, Yujie Chen, Xiang Cheng, Hsiao-Hsuan Chin, and Chee Wei Wong. "Enhancing Photon Information Capacity in High-Dimensional Arrival-time-bin QKD through Polarization Hyperentanglement." In CLEO: Applications and Technology. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/cleo_at.2024.jw2a.225.

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We used frequency-polarization hyperentanglement to eliminate global errors in high-dimensional arrival time-bin encoding and reached a 34% increase in photon information efficiency at a higher frame limit.
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Lee, Po-Yi, Chuan-Bor Chueh, Milen Shishkov, et al. "Polarization-sensitive optical coherence tomography with an existing clinical retinal imaging instrument." In Bio-Optics: Design and Application. Optica Publishing Group, 2025. https://doi.org/10.1364/boda.2025.dw1a.3.

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Commercial spectrometer-based retinal OCT systems lack the capacity for polarization-resolved measurements. Using a rotating waveplate module in combination with repeated scan patterns established for OCT angiography enables polarization-sensitive imaging of the retina with existing instruments.
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Peng, Ruwen, Yongmin Liu, and Mu Wang. "Polarization manipulation and multiplexing via optical metasurfaces: from classical to quantum." In CLEO: Fundamental Science. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/cleo_fs.2024.fm3o.3.

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Traditional optical elements, such as waveplates and polarization beam splitters, are essential for classical and quantum information techniques. Yet their bulky size and heavy weight are prejudicial for miniaturizing information systems. Here, we present our recent studies on polarization manipulation and multiplexing with optical metasurfaces, which significantly miniaturize optical systems. One is to break the limitation of polarization multiplexing in optical metasurfaces with engineered noise, and the other is to realize multichannel distribution and transformation of entangled photons wi
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Wu, Zhenren, Ahmed Wahba, Liheng Lou, Yizhe Hu, and Ping Ma. "A Dual-Polarization Multi-Mode Multi-Drop Dielectric Waveguide Channel for Sub-Terahertz High-Capacity Interconnect." In 2024 9th International Conference on Integrated Circuits and Microsystems (ICICM). IEEE, 2024. https://doi.org/10.1109/icicm63644.2024.10814127.

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Andrade, C., C. Alonso, J. A. González, and J. Rodríguez. "Approximate Calculation of Service Life of Corroding Structures Using Polarization Resistance Measurements." In CORROSION 1990. NACE International, 1990. https://doi.org/10.5006/c1990-90319.

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Abstract The cracking and spalling of the concrete cover are usually considered as the end of the service life of a concrete structure. However, numerous structures corrode without any external signs and cover cracking oftenly does not represent a risk in the structural safety of the structure. In this, the need to distinguish between the serviceability and the safety limit in the case of corroded structures is discussed. Concerning the load-carrying capacity loss due to the reinforcement corrosion, values of the Corrosion Intensity (calculated from the Polarization Resistance values) are tran
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Scannell, W. T., and W. H. Hartt. "Cathodic Polarization and Fracture Property Evaluation of a Pretensioned Steel Tendon in Concrete." In CORROSION 1987. NACE International, 1987. https://doi.org/10.5006/c1987-87127.

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Abstract Experiments were performed upon a single tendon in a prestressed concrete slab for the purpose of assessing the susceptibility of the high strength steel to brittle fracture as a result of cathodic protection. The procedure involved initially impressing an anodic current until active potentials were recorded along the tendon length. Subsequently, cathodic polarization of the midsection of the tendon to -1.30v. SCE (-1.37v. (CSE)) was established. After a prescribed time the tendon was removed and sectioned into 15 cm lengths. Each segment strand was then notched and strained to failur
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Feliu, S., J.A.González, M. L. Escudero, S. Feliu, and M. C. Andrade. "Possibilities of the "Guard Ring" for the Confinement of the Electrical Signal in Polarization Measurements of Reinforcements." In CORROSION 1989. NACE International, 1989. https://doi.org/10.5006/c1989-89623.

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Abstract The technical possibilities of the "guard ring" for the local measurement of polarization resistance (Rp) are analysed for the purpose of determining the corrosion rate of rebars in large reinforced concrete structures. Based on tests carried out with reinforced concrete slabs as well as with an electrical anologue it is concluded that the supposed confinement capacity of the electrical signal under the central counterelectrode is nearly guaranteed only in the event of low Rp values. On the other hand, with high Rp values the electrical signal can extend way beyond the guard ring itse
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Kawai, N., K. Wada, H. Hirano, T. Kawakita, H. Wakamatu, and N. Kabasawa. "Application of Electrochemical Techniques to Corrosion Control in Feedwater and Boiler Systems." In CORROSION 2000. NACE International, 2000. https://doi.org/10.5006/c2000-00408.

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Abstract Corrosion monitoring tests were carried out to examine the applicability of electrochemical techniques into corrosion control at a fossil power plant operated with Oxygenated Treatment (OT). A once-through type subcritical pressure boiler was employed to corrosion monitoring tests, and its electric capacity is 125 MW. An autoclave system was installed at the inlet of the economizer. The temperature and pressure in the autoclave were maintained at 215 °C and 7 MPa in the case of the full load operation. The corrosion rate of carbon steel was measured under the oxygenated water conditio
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Dexter, S. C., and J. P. LaFontaine. "Effect of Natural Marine Biofilms on Galvanic Corrosion Predicted Using Potentiodynamic Polarization Curves." In CORROSION 1998. NACE International, 1998. https://doi.org/10.5006/c1998-98288.

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Abstract Galvanic corrosion of copper, 1018 steel, 3003 aluminum and zinc coupled in turn to cathodes of stainless steel alloy N08367 was tested with and without natural marine biofilms on the cathode surface. Weight losses were significantly higher, and corrosion currents were up to two decades higher with a biofilm on the cathode surface for anodes of copper, steel and aluminum, but there was no difference for zinc. Results indicate that, in any case where biofilms on the cathodic member of a galvanic couple result in a systematic and significant increase in the reduction current at the mixe
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