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Optical microcombs represent a new paradigm for generating laser frequency combs based on compact chip-scale devices, which have underpinned many modern technological advances for both fundamental science and industrial applications. Along…

Backscatter communication is expected to help in revitalizing the domain of healthcare through its myriad applications. From on-body sensors to in-body implants and miniature embeddable devices, there are many potential use cases that can…

Signal Processing · Electrical Eng. & Systems 2019-06-24 Furqan Jameel , Ruifeng Duan , Zheng Chang , Aleksi Liljemark , Tapani Ristaniemi , Riku Jantti

High-speed optical wireless communication can address the exponential growth in data traffic. Adaptive beamforming customized for the target location is crucial, but existing solutions such as liquidcrystal spatial light modulators and…

Networking and Internet Architecture · Computer Science 2023-04-27 Chao Li , Yiwen Zhang , Xinda Yan , Yuzhe Wang , Xuebing Zhang , Jian Cui , Lei Zhu , Juhao Li , Zilun Li , Shaohua Yu , Zizheng Cao , A. M. J. Koonen , Chia Wei Hsu

Future spacecraft will require a paradigm shift in the way the information is transmitted due to the continuous increase in the amount of data requiring space links. Current radiofrequency-based communication systems impose a bottleneck in…

Instrumentation and Methods for Astrophysics · Physics 2020-12-25 Alberto Carrasco-Casado , Ramon Mata-Calvo

We investigate theoretically the efficiency of deep-space optical communication in the presence of background noise. With decreasing average signal power spectral density, a scaling gap opens up between optimized simple-decoded pulse…

Quantum Physics · Physics 2018-02-20 Marcin Jarzyna , Wojciech Zwoliński , Michał Jachura , Konrad Banaszek

Microcombs, optical frequency combs generated by nonlinear integrated micro-cavity resonators, have the potential to offer the full capability of their benchtop comb based counterparts, but in an integrated footprint. They have enabled…

Given the increasing number of space-related applications, research in the emerging space industry is becoming more and more attractive. One compelling area of current space research is the design of miniaturized satellites, known as…

Signal Processing · Electrical Eng. & Systems 2020-04-24 Nasir Saeed , Ahmed Elzanaty , Heba Almorad , Hayssam Dahrouj , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

Previous studies on orbital angular momentum (OAM) communication mainly considered line-of-sight environments. In this letter, however, it is found that OAM communication with high-order modulation can be achieved in highly reverberant…

Signal Processing · Electrical Eng. & Systems 2020-02-03 Xiaoming Chen , Wei Xue , Hongyu Shi , Jianjia Yi , Wei E. I. Sha

Concerted efforts are underway to establish an infrastructure for a global quantum internet to realise a spectrum of quantum technologies. This will enable more precise sensors, secure communications, and faster data processing. Quantum…

In recent decades, microwave photonic channelization techniques have developed significantly. Characterized by low loss, high versatility, large instantaneous bandwidth, and immunity to electromagnetic interference, microwave photonic…

Modern communication networks require high performance and scalable electro-optic modulators that convert electrical signals to optical signals at high speed. Existing lithium niobate modulators have excellent performance but are bulky and…

Optics · Physics 2018-02-14 Cheng Wang , Mian Zhang , Brian Stern , Michal Lipson , Marko Loncar

Free-space optical communication is becoming a mature technology that has been demonstrated in space a number of times in the last few years. The Japanese National Institute of Information and Communications Technology (NICT) has carried…

The recently demonstrated control over light distribution through turbid media based on real-time three-dimensional optoacoustic feedback has offered promising prospects to interferometrically focus light within scattering objects.…

Optics · Physics 2023-07-19 X. L. Dean-Ben , H. Estrada , A. Ozbek , D. Razansky

This article considers the issue of the development, production, and application of nanocomposite materials in telecommunication networks for the optical and subterahertz wave ranges. The results are obtained on the base of growing the…

The characteristics of a space-to-space multiple-input, multiple-output (MIMO) communication channel that distinguish it from terrestrial MIMO communication channels are summarized and discussed primarily from an information-theoretic…

Information Theory · Computer Science 2016-01-21 Richard J. Barton

Recently the strong demands in wireless communication requires expanding development for the application of RF MEMS (Radio Frequency micro electro mechanical systems) sensing devices such as micro-switches, tunable capacitors because it…

Other Computer Science · Computer Science 2007-11-29 M. -K. El Khatib , A. Pothier , P. Blondy

The field of propagating quantum microwaves has started to receive considerable attention in the past few years. Motivated at first by the lack of an efficient microwave-to-optical platform that could solve the issue of secure communication…

Despite Space division multiplexing fibers were initially envisioned as pure transmission media, they exhibit as well great potential for signal processing. We review here different solutions we developed for microwave signal processing…

Applied Physics · Physics 2020-01-10 Sergi García , Rubén Guillem , Mario Ureña , Ivana Gasulla

Visible Light Communication is the emerging field in the area of Indoor Optical Wireless Communication which uses white light LEDs for transmitting data and light simultaneously. LEDs can be modulated at very high speeds which increases its…

Information Theory · Computer Science 2017-09-19 Pranav Kumar Jha , Neha Mishra , D. Sriram Kumar

In this paper, we propose novel modulation techniques using isomers as messenger molecules for nano communication via diffusion. To evaluate achievable rate performance, we compare the proposed techniques with concentration-based and…

Quantitative Methods · Quantitative Biology 2012-01-05 Na-Rae Kim , Chan-Byoung Chae