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Optical crosstalk seriously limits the photon-counting resolution of silicon photomultipliers. In this work, realistic analytical models to describe the crosstalk effects on the response of these photodetectors are presented and compared…

仪器与探测器 · 物理学 2015-06-12 L. Gallego , J. Rosado , F. Blanco , F. Arqueros

Multi-spectral quantitative phase imaging (QPI) is an emerging imaging modality for wavelength dependent studies of several biological and industrial specimens. Simultaneous multi-spectral QPI is generally performed with color CCD cameras.…

仪器与探测器 · 物理学 2019-02-20 Azeem Ahmad , Anand Kumar , Vishesh Dubey , Ankit Butola , Balpreet Singh Ahluwalia , Dalip Singh Mehta

Quanta image sensor (QIS) is envisioned to be the next generation image sensor after CCD and CMOS. In this paper, we discuss how to design color filter arrays for QIS and other small pixels. Designing color filter arrays for small pixels is…

计算机视觉与模式识别 · 计算机科学 2019-12-23 Omar A. Elgendy , Stanley H. Chan

By means of a simple example it is demonstrated that the task of finding and identifying certain patterns in an otherwise (macroscopically) unstructured picture (data set) can be accomplished efficiently by a quantum computer. Employing the…

量子物理 · 物理学 2009-11-07 Ralf Schützhold

Quantum hypothesis testing is one of the most fundamental problems in quantum information theory, with crucial implications in areas like quantum sensing, where it has been used to prove quantum advantage in a series of binary photonic…

量子物理 · 物理学 2020-12-10 Leonardo Banchi , Quntao Zhuang , Stefano Pirandola

The characterization and conditional preparation of multi-photon quantum states requires the use of photon number resolving detectors. We study the use of detectors based on multiple avalanche photodiode pixels in this context. We develop a…

量子物理 · 物理学 2013-05-29 I. Afek , A. Natan , O. Ambar , Y. Silberberg

In quantum optics and its applications, there is an urgent demand for photon-number resolving detectors. Recently, there appeared multi-pixel detectors (MPPC) that are able to distinguish between 1,2,..10 photons. At the same time, strong…

量子物理 · 物理学 2015-05-20 Dmitry A. Kalashnikov , Si-Hui Tan , Maria V. Chekhova , Leonid A. Krivitsky

Measurement for qubits plays a key role in quantum computation. Current methods for classifying states of single qubit in a superconducting multi-qubit system produce fidelities lower than expected due to the existence of crosstalk,…

量子物理 · 物理学 2021-09-08 Zi-Feng Chen , Qi Zhou , Peng Duan , Wei-Cheng Kong , Hai-Feng Zhang , Guo-Ping Guo

Currently available quantum computing hardware based on superconducting transmon architectures realizes networks of hundreds of qubits with the possibility of controlled nearest-neighbor interactions. However, the inherent noise and…

量子物理 · 物理学 2023-11-07 Andreas Ketterer , Thomas Wellens

Image processing is a fascinating field for exploring quantum algorithms. However, achieving quantum speedups turns out to be a significant challenge. In this work, we focus on image filtering to identify a class of images that can achieve…

量子物理 · 物理学 2023-08-01 Zidong Cui , Shan Jin , Akira Sone , Xiaoting Wang

Photonic integrated circuits offer a compact and stable platform for generating, manipulating, and detecting light. They are instrumental for classical and quantum applications. Imperfections stemming from fabrication constraints,…

Quantum computers promise to solve certain problems more efficiently than their digital counterparts. A major challenge towards practically useful quantum computing is characterizing and reducing the various errors that accumulate during an…

The screen is a key part of stereoscopic display systems using polarization to separate the different channels for each eye. The system crosstalk, characterizing the imperfection of the screen in terms of preserving the polarization of the…

光学 · 物理学 2015-11-12 Xiaozhu Zhang , Kristian Hantke , Cornelius Fischer , Matthias Schröter

Accurate characterization of laser beams is crucial for applications ranging from laser-based material processing to gravitational wave detection, where even minor measurement deviations can significantly impact system performance. This…

光学 · 物理学 2025-05-19 Benjamin Nagler

The coexistence of quantum and classical signals over the same optical fiber with minimal degradation of the transmitted quantum information is critical for operating large-scale quantum networks over the existing communications…

Colour patterning contributes to important plant traits that influence ecological interactions, horticultural breeding, and agricultural performance. High-throughput phenotyping of colour is valuable for understanding plant biology and…

定量方法 · 定量生物学 2019-03-06 Mao Li , Margaret H. Frank , Zoë Migicovsky

Optical crosstalk from sub-milliwatt classical-channel power into quantum channels presents a significant challenge in quantum network development, introducing substantial noise that limits the network's performance, scalability, and…

One of the key points in designing an integrated sensing and communication (ISAC) system using computational imaging is the division size of imaging pixels. If the size is too small, it leads to a high number of pixels that need processing.…

信号处理 · 电气工程与系统科学 2025-05-13 Xin Tong , Zhaoyang Zhang , Zhaohui Yang , Yu Ge , Henk Wymeersch

Image processing is an important research area in computer vision. Image segmentation plays the vital rule in image processing research. There exist so many methods for image segmentation. Clustering is an unsupervised study. Clustering can…

计算机视觉与模式识别 · 计算机科学 2014-07-31 Dibya Jyoti Bora , Anil Kumar Gupta

In this letter we report on the effects of pixel crosstalk on the experimental realization of a reported encoding method (Opt. Lett. 39, 1740 (2014)) with PA-LCoS SLMs. We found that, under Nyquist limit condition, about 70% of a single…

图像与视频处理 · 电气工程与系统科学 2019-03-15 Miguel Carbonell-Leal , Omel Mendoza-Yero
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