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Polarization modulation is a powerful technique to increase the stability of measurements by enabling the distinction of a polarized signal from dominant slow system drifts and unpolarized foregrounds. Furthermore, when placed as close to…

Photonic integrated circuits based on erbium doped thin film lithium niobate on insulator has attracted broad interests with insofar various waveguide amplifiers and microlasers demonstrated. Wideband operation facilitated by the broadband…

Broadband low-resolution near-infrared spectrographs in a compact form are crucial for ground- and space-based astronomy and other fields of sensing. Astronomical spectroscopy poses stringent requirements including high efficiency, broad…

Using a femtosecond laser writing technique, we fabricate and characterise three-waveguide digital adiabatic passage devices, with the central waveguide digitised into five discrete waveguidelets. Strongly asymmetric behaviour was observed,…

Delay and sum (DAS) is the most common beamforming algorithm in linear-array photoacoustic imaging (PAI) as a result of its simple implementation. However, it leads to a low resolution and high sidelobes. Delay multiply and sum (DMAS) was…

Signal Processing · Electrical Eng. & Systems 2018-02-23 Moein Mozaffarzadeh , Ali Mahloojifar , Mohammadreza Nasiriavanaki , Mahdi Orooji

Inhomogeneous broadening of energy levels is one of the principal limiting factors for achieving "slow" or "stationary" light in solid state media by means of electromagnetically induced transparency (EIT), a quantum version of stimulated…

Quantum Physics · Physics 2013-05-29 Johann-Heinrich Schönfeldt , Jason Twamley , Stojan Rebić

A robust quantum protocol has been developed that achieves highly efficient entanglement transfer from a three-atom Rydberg system, initially in a W state (|rrg>+|rgr>+|grr>)/3^0.5, to an equivalent photonic W state…

Quantum Physics · Physics 2024-09-25 Aneesh Ramaswamy , Svetlana Malinovskaya

In the quest for low power, bio-inspired computation both memristive and memcapacitive-based Artificial Neural Networks (ANN) have been the subjects of increasing focus for hardware implementation of neuromorphic computing. One step…

Neural and Evolutionary Computing · Computer Science 2022-06-22 Sachin Maheshwari , Alexander Serb , Christos Papavassiliou , Themistoklis Prodromakis

Enlarging bandwidth capacity of the integrated photonic systems demands efficient and broadband light coupling among optical elements, which has been a vital issue in integrated photonics. Here, we have developed a compact ultra-broadband…

Integrated polarimetric receivers have the potential to define a new generation of lightweight, high-performance instrumentation for remote sensing. To date, on-chip polarization-selective devices such as polarizing beam-splitters have yet…

Optics · Physics 2017-02-21 Jeff Chiles , Tracy Sjaardema , Ashutosh Rao , Sasan Fathpour

In molecular photodissociation, some specific combinations of laser parameters (wavelength and intensity) lead to unexpected Zero-Width Resonances (ZWR), with in principle infinite lifetimes. Their interest in inducing basic quenching…

Quantum Physics · Physics 2016-10-19 Arnaud Leclerc , David Viennot , Georges Jolicard , Roland Lefebvre , Osman Atabek

The ability of photonic crystal waveguides (PCWs) to confine and slow down light makes them an ideal component to enhance the performance of various photonic devices, such as optical modulators or sensors. However, the integration of PCWs…

Optics · Physics 2021-07-20 Dries Vercruysse , Neil V. Sapra , Ki Youl Yang , Jelena Vučković

This paper presents a novel circuit (AID) to improve the accuracy of an energy-efficient in-memory multiplier using a standard 6T-SRAM. The state-of-the-art discharge-based in-SRAM multiplication accelerators suffer from a non-linear…

Hardware Architecture · Computer Science 2022-08-03 Saeed Seyedfaraji , Baset Mesgari , Semeen Rehman

A fundamental challenge in quantum computing is to increase the number of operations within the qubit coherence time. While this can be achieved by decreasing the gate duration, the use of shorter signals increases their bandwidth and can…

Quantum Physics · Physics 2025-08-06 İlker Polat , Ramon W. J. Overwater , Maximilian Rimbach-Russ , Fabio Sebastiano

Chemical synthesized silver nanowires have been proved to be the efficient architecture for Plasmonic waveguides, but the high propagation loss prevents their widely applications. Here, we demonstrate that the propagation distance of the…

Electro-optic phase modulators are critical components in modern communication, microwave photonic, and quantum photonic systems. Important for these applications is to achieve modulators with low half-wave voltage at high frequencies. Here…

In the pursuit of scalable superconducting quantum computing, tunable couplers have emerged as a pivotal component, offering the flexibility required for complex quantum operations of high performance. In most current architectures of…

Quantum Physics · Physics 2025-12-03 Xuan Zhang , Xu Zhang , Changling Chen , Kai Tang , Kangyuan Yi , Kai Luo , Zheshu Xie , Yuanzhen Chen , Tongxing Yan

Highly-efficient broadband polarization beam splitters with small footprint and based on silicon photonics technology are of great importance in optical integrated circuits. In this paper, a crucially applicable optical component of a TE/TM…

Optics · Physics 2021-04-16 Kiyanoush Goudarzi , Doyoung Kim , Haewook Han

This article proposes a new method to increase the efficiency of stimulated Raman adiabatic passage (STIRAP) in superconducting circuits using a shortcut to the adiabaticity (STA) method. The STA speeds up the adiabatic process before…

Quantum Physics · Physics 2025-07-21 Madan Mohan Mahana , Sankar Davuluri , Tarak Nath Dey

Nonlinear polarization evolution (NPE) is among the most advanced techniques for obtaining ultrashort pulses with excellent optical performance. However, it is challenging to design environmentally stable NPE fiber oscillators using only…

Optics · Physics 2023-08-09 Xuanyi Liu , Feng Ye , Minghe Zhao , Boris A. Malomed , H. Y. Fu , Qian Li
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