IEEE Journal of Quantum Electronics最新文献_第9页

Steady-State Semi-Analytical Modeling of p-Doped Quantum Dot Lasers Thermal Characteristics and Extrapolation to Membrane Lasers 对掺杂量子点激光器热特性的稳态半分析建模以及对薄膜激光器的推断

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IEEE Journal of Quantum Electronics Pub Date : 2023-12-13 DOI: 10.1109/JQE.2023.3342180

Mattéo Chobé;Karim Hassan

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IEEE Journal of Quantum Electronics information for authors IEEE量子电子学杂志作者信息

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IEEE Journal of Quantum Electronics Pub Date : 2023-11-29 DOI: 10.1109/JQE.2023.3333157

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IEEE Journal of Quantum Electronics Pub Date : 2023-11-29 DOI: 10.1109/JQE.2023.3333159

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TechRxiv: Share Your Preprint Research with the World! techxiv:与世界分享你的预印本研究!

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IEEE Journal of Quantum Electronics Pub Date : 2023-11-29 DOI: 10.1109/JQE.2023.3333719

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IEEE Journal of Quantum Electronics publication information IEEE量子电子学杂志出版信息

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IEEE Journal of Quantum Electronics Pub Date : 2023-11-29 DOI: 10.1109/JQE.2023.3333153

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Carrier Transport and Pulse Compression of an Opposed-Contact GaAs Photoconductive Switch at Low-Energy Optical Excitation 低能量光激发下对置接触砷化镓光电导开关的载流子传输和脉冲压缩

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IEEE Journal of Quantum Electronics Pub Date : 2023-11-28 DOI: 10.1109/JQE.2023.3337707

Chun Liu;Ming Xu;Chengjie Wang;Shengtao Chen;Jiahao Chang;Wenhao Wang

{"title":"Carrier Transport and Pulse Compression of an Opposed-Contact GaAs Photoconductive Switch at Low-Energy Optical Excitation","authors":"Chun Liu;Ming Xu;Chengjie Wang;Shengtao Chen;Jiahao Chang;Wenhao Wang","doi":"10.1109/JQE.2023.3337707","DOIUrl":"https://doi.org/10.1109/JQE.2023.3337707","url":null,"abstract":"The photoconductive semiconductor switch (PCSS) is one of the most promising devices in pulsed power technology, and its transient output characteristics strongly depend on the internal photo-generated carrier transport. In this paper, the transient output characteristics of an opposed-contact GaAs PCSS are obtained at 3.0-5.35 kV at low-energy optical excitation. In contrast to the 8 ns optical pulse, the pulse width of the switching waveform is compressed to 2.2 ns, corresponding to a compression ratio of 72%. The electric field threshold of 38 kV/cm is verified for the pulse compression effect (PCE) in our experiment. The maximum output amplitude is 2.27 kV with a 660 ps rise time, and the relevant transmission efficiency is 43.7%. The transient electric field distribution of the GaAs PCSS at the bias voltage corresponding to the PCE is simulated by a two-dimension model. The influence of carrier transport on pulse compression is analyzed numerically during the spatiotemporal variation of the electric field. Results indicate that the PCE is attributed to the negative differential mobility (NDM) effect and the electric field shielding (EFS) effect. The characteristics of an ultrafast, compressed pulse, along with the increased output, provide the specific guidance for high-power applications at high repetition rates.","PeriodicalId":13200,"journal":{"name":"IEEE Journal of Quantum Electronics","volume":"60 1","pages":"1-5"},"PeriodicalIF":2.5,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138678716","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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A Method for Determining the Formation Position of Comb Tooth of Kerr Micro-Ring 确定克尔微环梳齿形成位置的方法

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IEEE Journal of Quantum Electronics Pub Date : 2023-11-28 DOI: 10.1109/JQE.2023.3335246

Hang Shen;Chaoying Zhao

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Mitigating the Effects of Concave Damage by Adding a Lining Layer in a Ring-Core Fiber for Improving Propagation of Orbital Angular Momentum Modes 通过在环芯光纤中添加衬里层来减轻凹面损伤的影响，从而改善轨道角动量模式的传播

IF 2.5 3区工程技术

IEEE Journal of Quantum Electronics Pub Date : 2023-11-14 DOI: 10.1109/JQE.2023.3332704

Xiaohui Wang;Yongze Yu;Dongdong Deng;Shuai Mao;Yang Wang;Haoyu Gu;Yingxiong Song;Fufei Pang;Liyun Zhuang;Song Yang;Xiaofeng He;Chao Wang;Tiezhu Zhu;Yudong Yang

{"title":"Mitigating the Effects of Concave Damage by Adding a Lining Layer in a Ring-Core Fiber for Improving Propagation of Orbital Angular Momentum Modes","authors":"Xiaohui Wang;Yongze Yu;Dongdong Deng;Shuai Mao;Yang Wang;Haoyu Gu;Yingxiong Song;Fufei Pang;Liyun Zhuang;Song Yang;Xiaofeng He;Chao Wang;Tiezhu Zhu;Yudong Yang","doi":"10.1109/JQE.2023.3332704","DOIUrl":"10.1109/JQE.2023.3332704","url":null,"abstract":"In order to support the transmission of orbital angular momentum (OAM) modes effectively, the ring-core fiber has received a lot of attention due to the similar structure of the electric field distribution with the intensity profile of OAM mode. Both photonic crystal fibers and other micro-structured fibers almost contain a ring-core structure to support the transmission of more OAM modes. However, the middle of the ring-core fiber is usually a large air hole, and such a structure makes it difficult to manufacture the ring-core perfectly. Concave damage may occur in the ring-core. The effects of concave damage on the transmission of OAM modes are analyzed. The concave damage leads to a large effective refractive index difference between the odd and even modes of vector mode, and a method for proper compensation is proposed. The lining is added to the inner side of the ring-core, which is made of the same material as the cladding, and slightly increasing the refractive index of the lining material promotes the performance of the compensation. After numerical simulation, the walk-off distance can be increased by a factor of 2–20 after compensation.","PeriodicalId":13200,"journal":{"name":"IEEE Journal of Quantum Electronics","volume":"60 1","pages":"1-6"},"PeriodicalIF":2.5,"publicationDate":"2023-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135703710","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Solar-Blind Deep UV Avalanche Photodetectors Using Reduced Area Epitaxy 利用缩小面积外延的太阳盲深紫外雪崩光电探测器

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IEEE Journal of Quantum Electronics Pub Date : 2023-10-23 DOI: 10.1109/JQE.2023.3325254

Lakshay Gautam;Junhee Lee;Michael Richards;Manijeh Razeghi

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Receptive Field-Based All-Optical Spiking Neural Network for Image Processing 基于接受场的全光脉冲神经网络图像处理

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IEEE Journal of Quantum Electronics Pub Date : 2023-10-19 DOI: 10.1109/JQE.2023.3325227

Taiyi Chen;Yu Huang;Pei Zhou;Penghua Mu;Shuiying Xiang;V. N. Chizhevsky;Nianqiang Li

{"title":"Receptive Field-Based All-Optical Spiking Neural Network for Image Processing","authors":"Taiyi Chen;Yu Huang;Pei Zhou;Penghua Mu;Shuiying Xiang;V. N. Chizhevsky;Nianqiang Li","doi":"10.1109/JQE.2023.3325227","DOIUrl":"10.1109/JQE.2023.3325227","url":null,"abstract":"We report on a novel structure of a receptive field (RF)-based multi-layer all-optical neural network using a micropillar laser with a saturable absorber (SA) for image processing. From the perspective of biological vision, the realization of image processing based on the RF provides the biological rationality for the machine vision implemented by the spiking neural network (SNN). By exploiting the fast physical mechanisms of gain and absorption in the SA laser, the photonic spike-timing-dependent plasticity (STDP) curves are achieved to train the weights. Here, the source image pixels are mapped into the temporal information of spike trains injected into the neural network through the temporal coding method called time-to-first-spike encoding. Different source images are processed and tested by the proposed photonic SNN. Simulation results show that our proposed system can process not only simple binary images but also complex color images under the adjustment of STDP rules. When considering the robustness, we demonstrate the tolerance of the image segmentation to the time jitter. These results indicate that our proposed photonic SNN can achieve high-resolution processing of complex source images. Additionally, the time-multiplexing technique can be further adopted to simplify the RF structure, which is expected to reduce the complexity of the whole system, thus facilitating physical applications. Our work offers the prospect for a high-speed photonic spiking platform for image processing.","PeriodicalId":13200,"journal":{"name":"IEEE Journal of Quantum Electronics","volume":"60 1","pages":"1-11"},"PeriodicalIF":2.5,"publicationDate":"2023-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135057000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0