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Timing synchronization (TS) is vital for orthogonal frequency division multiplexing (OFDM) systems, which makes the discrete Fourier transform (DFT) window start at the inter-symbol-interference (ISI)-free region. However, the multi-path…

Signal Processing · Electrical Eng. & Systems 2023-07-20 Chaojin Qing , Shuhai Tang , Na Yang , Chuangui Rao , Jiafan Wang

In core/shell quantum dots (QDs), the interface between semiconductors of different chemical character largely determines their optoelectronic properties. In III-V/II-VI systems, this boundary involves pronounced chemical and electronic…

Materials Science · Physics 2026-05-18 Jordi Llusar , Abdessamad El Adel , Luca De Trizio , Liberato Manna , Zeger Hens , Ivan Infante

How to characterize topological quantum phases is a fundamental issue in the broad field of topological matter. From a dimension reduction approach, we propose the concept of high-order band inversion surfaces (BISs) which enable the…

Mesoscale and Nanoscale Physics · Physics 2021-05-18 Xiang-Long Yu , Wentao Ji , Lin Zhang , Ya Wang , Jiansheng Wu , Xiong-Jun Liu

Much like classical supercomputers, scaling up quantum computers requires an optical interconnect. However, signal attenuation leads to irreversible qubit loss, making quantum interconnect design guidelines and metrics different from…

This paper considers a generalization of the network design problem for On-Demand Multimodal Transit Systems (ODMTS). An ODMTS consists of a selection of hubs served by high frequency buses, and passengers are connected to the hubs by…

Optimization and Control · Mathematics 2022-05-30 Kevin Dalmeijer , Pascal Van Hentenryck

Chiplet-based systems are rapidly gaining traction in the market. Two packaging options for such systems are the established organic substrates and the emerging glass substrates. These substrates are used to implement the inter-chiplet…

Hardware Architecture · Computer Science 2025-04-29 Patrick Iff , Maciej Besta , Torsten Hoefler

Topological insulators (TIs) have attracted much attention due to their spin-polarized surface and edge states, whose origin in symmetry gives them intriguing quantum-mechanical properties. Robust control over the chemical potential of TI…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 Andrew L. Yeats , Yu Pan , Anthony Richardella , Peter J. Mintun , Nitin Samarth , David D. Awschalom

Beyond-diagonal reconfigurable intelligent surface (BD-RIS), which enables advanced wave control through interconnection of RIS elements, are gaining growing recognition as a promising technology for 6G and beyond. However, the enhanced…

Signal Processing · Electrical Eng. & Systems 2025-09-30 Xiaohua Zhou , Tianyu Fang , Yijie Mao , Bruno Clerckx

Reconfigurable intelligent surfaces (RISs) have tremendous potential to boost communication performance, especially when the line-of-sight (LOS) path between the user equipment (UE) and base station (BS) is blocked. To control the RIS,…

Signal Processing · Electrical Eng. & Systems 2023-11-21 Fan Jiang , Andrea Abrardo , Kamran Keykhoshravi , Henk Wymeersch , Davide Dardari , Marco Di Renzo

Scaling quantum information processors is a challenging task, requiring manipulation of a large number of qubits with high fidelity and a high degree of connectivity. For trapped ions, this could be realized in a two-dimensional array of…

Existing computational spectral imaging systems typically rely on coded aperture and beam splitters that block a substantial fraction of incident light, degrading reconstruction quality under light-starved conditions. To address this…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Jiuyun Zhang , Zhan Shi , Linsen Chen , Xun Cao

Non-reciprocity and asymmetric transmission in optical and plasmonic systems is a key element for engineering the one-way propagation structures for light manipulation. Here we investigate topological nanostructures covered with…

Topologically trivial insulators can be classified into atomic insulators (AIs) and obstructed atomic insulators (OAIs) depending on whether the Wannier charge centers are localized or not at spatial positions occupied by atoms. An OAI can…

Optomechanical systems have been shown both theoretically and experimentally to exhibit an analogon to atomic electromagnetically induced transparency, with sharp transmission features that are controlled by a second laser beam. Here we…

Quantum Physics · Physics 2013-09-26 Andreas Kronwald , Florian Marquardt

Integrated optical interconnect is believed to be one of the main technologies to replace electrical wires. Optical Network-on-Chip (ONoC) has attracted more attentions nowadays. Benes topology is a good choice for ONoC for its…

Hardware Architecture · Computer Science 2011-09-06 Jing Zhang , Huaxi Gu , Yintang Yang

Optical reconfigurable intelligent surface (ORIS) is an emerging technology that can achieve reconfigurable optical propagation environments by precisely adjusting signal's reflection and shape through a large number of passive reflecting…

Signal Processing · Electrical Eng. & Systems 2022-01-24 Haibo Wang , Zaichen Zhang , Bingcheng Zhu , Yidi Zhang

This paper considers a $K$-user single-input-single-output interference channel with inter-symbol interference (ISI), in which the channel coefficients are assumed to be linear time-invariant with finite-length impulse response. The primary…

Information Theory · Computer Science 2016-09-09 Namyoon Lee

The business potential of device-to-device (D2D) communication including public safety and vehicular communications will be realized only if direct communication between devices subscribed to different mobile operators (OPs) is supported.…

Networking and Internet Architecture · Computer Science 2016-11-08 Byungjin Cho , Konstantinos Koufos , Riku Jäntti , Seong-Lyun Kim

The multihop relay wireless networks have gained traction due to the emergence of Reconfigurable Intelligent Surfaces (RISs) which can be used as relays in high frequency range wireless network, including THz or mmWave. To select paths in…

Networking and Internet Architecture · Computer Science 2025-11-21 Cao Vien Phung , Andre Drummond , Admela Jukan

In this paper, we consider an overlay satellite-terrestrial network (OSTN) where an opportunistically selected terrestrial internet-of-things (IoT) network assists the primary satellite communications as well as accesses the spectrum for…

Information Theory · Computer Science 2021-06-23 Pankaj K. Sharma , Budharam Yogesh , Deepika Gupta , Dong In Kim