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2022 Workshop on Recent Advances in Photonics (WRAP)最新文献

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Composite Nitrogen-Vacancy Centers Nanodiamonds Grating using Soft Lithography 利用软光刻技术制备复合氮空位中心纳米金刚石光栅
2022 Workshop on Recent Advances in Photonics (WRAP) Pub Date : 2022-03-04 DOI: 10.1109/WRAP54064.2022.9758350
Rajesh Kumar, S. Ramakrishna
{"title":"Composite Nitrogen-Vacancy Centers Nanodiamonds Grating using Soft Lithography","authors":"Rajesh Kumar, S. Ramakrishna","doi":"10.1109/WRAP54064.2022.9758350","DOIUrl":"https://doi.org/10.1109/WRAP54064.2022.9758350","url":null,"abstract":"Composite grating of Nitrogen-vacancy (N-V) centers nanodiamond (ND) is fabricated using soft lithography. Wide distribution with enhanced radiated powers from NDs is observed using confocal measurements. Numerical simulations reveal that this distribution arises from random emitting dipoles orientations inside the ND.","PeriodicalId":363857,"journal":{"name":"2022 Workshop on Recent Advances in Photonics (WRAP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131196707","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Wavelength Selective Beam Switching Using Electrically Driven Nano-Strip MIM Tunnel Junctions 利用电驱动纳米带MIM隧道结的波长选择光束开关
2022 Workshop on Recent Advances in Photonics (WRAP) Pub Date : 2022-03-04 DOI: 10.1109/WRAP54064.2022.9758324
Saurabh Kishen, Jinal Tapar, N. Emani
{"title":"Wavelength Selective Beam Switching Using Electrically Driven Nano-Strip MIM Tunnel Junctions","authors":"Saurabh Kishen, Jinal Tapar, N. Emani","doi":"10.1109/WRAP54064.2022.9758324","DOIUrl":"https://doi.org/10.1109/WRAP54064.2022.9758324","url":null,"abstract":"Tunable directional emission from electrically driven sources is essential for applications involving on-chip nano-circuits, sensing and quantum information processing. Here, we numerically demonstrate wavelength selective, switchable directional emission from periodic, nano-strip metal-insulator-metal tunnel junctions. Using two excitation sources, we show that our structure can efficiently redirect two different wavelengths in opposite directions when the excitation is switched. We achieved a peak directivity of 21.5 and 25.8 for wavelengths of 692 nm and 738 nm, respectively. The emission angle can be tuned by varying the periodicity, thereby paving the way for on-chip multiplexing.","PeriodicalId":363857,"journal":{"name":"2022 Workshop on Recent Advances in Photonics (WRAP)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132524387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Interference effect in second harmonic light emitted from sub-micron size nonlinear particles 亚微米级非线性粒子二次谐波光的干涉效应
2022 Workshop on Recent Advances in Photonics (WRAP) Pub Date : 2022-03-04 DOI: 10.1109/WRAP54064.2022.9758152
Rabisankar Samanta, Sanjay K. Upadhyay, S. Mujumdar
{"title":"Interference effect in second harmonic light emitted from sub-micron size nonlinear particles","authors":"Rabisankar Samanta, Sanjay K. Upadhyay, S. Mujumdar","doi":"10.1109/WRAP54064.2022.9758152","DOIUrl":"https://doi.org/10.1109/WRAP54064.2022.9758152","url":null,"abstract":"We investigate second harmonic generation from sub-micron size nonlinear particles. We also study out-of-focus diffraction patterns of single and ensemble particles. Interference fringes are observed in the defocused patterns of two, three, and multiple adjacent particles.","PeriodicalId":363857,"journal":{"name":"2022 Workshop on Recent Advances in Photonics (WRAP)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123904294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Weighted mutation assisted genetic algorithm focuses light tightly through scattering media 加权突变辅助遗传算法将光通过散射介质紧密聚焦
2022 Workshop on Recent Advances in Photonics (WRAP) Pub Date : 2022-03-04 DOI: 10.1109/WRAP54064.2022.9758238
Amit Kumar, Sarvesh Thakur, S. K. Biswas
{"title":"Weighted mutation assisted genetic algorithm focuses light tightly through scattering media","authors":"Amit Kumar, Sarvesh Thakur, S. K. Biswas","doi":"10.1109/WRAP54064.2022.9758238","DOIUrl":"https://doi.org/10.1109/WRAP54064.2022.9758238","url":null,"abstract":"We introduced weighted mutation in genetic algorithm (GA) to focus light through scattering media using a binary ferro-electric liquid crystal spatial-light modulator (FLC-SLM). FLC-SLMs are cost-effective compared to other light modulators, like digital micro-mirror devices (DMDs) and typical phase-only SLMs. Our proposed algorithm tightly focused the light through scattering medium without increasing the computation cost and time. Both simulation and experimental results show that weighted mutation in GA can be used to get more tightly focused spot and better signal to noise ratio.","PeriodicalId":363857,"journal":{"name":"2022 Workshop on Recent Advances in Photonics (WRAP)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115760807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Interplay of Modal Dispersion with Nonlinear Impairments on Mode Division Multiplexed Fibers 模分复用光纤中模态色散与非线性损伤的相互作用
2022 Workshop on Recent Advances in Photonics (WRAP) Pub Date : 2022-03-04 DOI: 10.1109/WRAP54064.2022.9758336
Reinhardt Rading
{"title":"Interplay of Modal Dispersion with Nonlinear Impairments on Mode Division Multiplexed Fibers","authors":"Reinhardt Rading","doi":"10.1109/WRAP54064.2022.9758336","DOIUrl":"https://doi.org/10.1109/WRAP54064.2022.9758336","url":null,"abstract":"Space division multiplexed fibers represents a promising solution to the upcoming capacity crunch in single-mode fibers, but such fibers introduce new challenges due to the interactions among the propagating modes. In ideal optical fibers, birefringence does not exist and thus in a multi-mode fiber, random birefringence leads to spatial mode dispersion among the different spatial modes. This paper investigates the impact of spatial mode dispersion on optical fiber transmissions focusing on its interaction with the nonlinear interference arising during the signal propagation. The obtained results shows that modal dispersion can be beneficial in reducing the cross phase modulation in various optical transmission scenarios.","PeriodicalId":363857,"journal":{"name":"2022 Workshop on Recent Advances in Photonics (WRAP)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114362602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Propagation Dynamics of Ultrashort Laguerre-Gauss Vortices in a Nonlinear Medium 非线性介质中超短拉盖尔-高斯涡的传播动力学
2022 Workshop on Recent Advances in Photonics (WRAP) Pub Date : 2022-03-04 DOI: 10.1109/WRAP54064.2022.9758292
Shakti Singh, A. K. Mishra
{"title":"Propagation Dynamics of Ultrashort Laguerre-Gauss Vortices in a Nonlinear Medium","authors":"Shakti Singh, A. K. Mishra","doi":"10.1109/WRAP54064.2022.9758292","DOIUrl":"https://doi.org/10.1109/WRAP54064.2022.9758292","url":null,"abstract":"We have numerically studied the propagation of ultrashort vortices through bulk fused silica. It is shown that at fixed strength of nonlinearity ultrashort Laguerre-Gauss vortices (LG) with lower value of topological charge $l$ compressed more compared to ultrashort LG vortices with higher value of topological charge. Similar effect is also observed in the spatial domain where the undergoes focusing due the combined effect of Kerr nonlinearity and diffraction.","PeriodicalId":363857,"journal":{"name":"2022 Workshop on Recent Advances in Photonics (WRAP)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116257803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Analysis of Quasi-Fermi Level Split in Ratchet-type Intermediate Band Solar Cells 棘轮型中间波段太阳能电池的准费米能级分裂分析
2022 Workshop on Recent Advances in Photonics (WRAP) Pub Date : 2022-03-04 DOI: 10.1109/WRAP54064.2022.9758193
Ahna Sharan, J. Kumar
{"title":"Analysis of Quasi-Fermi Level Split in Ratchet-type Intermediate Band Solar Cells","authors":"Ahna Sharan, J. Kumar","doi":"10.1109/WRAP54064.2022.9758193","DOIUrl":"https://doi.org/10.1109/WRAP54064.2022.9758193","url":null,"abstract":"We obtained the effect of Carnot loss, angle mismatch loss, and radiative loss on the quasi-Fermi level (QFL) split of ratchet type-intermediate band solar cells. The reduced Carnot loss is responsible for the increase in the QFL split. The variation in the QFL splits with change in absorptivity is due to the extraction efficiency.","PeriodicalId":363857,"journal":{"name":"2022 Workshop on Recent Advances in Photonics (WRAP)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125373689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High Quality Fano Resonance by Lattice Mode Coupling in Terahertz Metamaterials 太赫兹超材料中晶格模式耦合的高质量范诺共振
2022 Workshop on Recent Advances in Photonics (WRAP) Pub Date : 2022-03-04 DOI: 10.1109/WRAP54064.2022.9758323
Chandan, Sukhvinder Kaur, R. K. Varshney
{"title":"High Quality Fano Resonance by Lattice Mode Coupling in Terahertz Metamaterials","authors":"Chandan, Sukhvinder Kaur, R. K. Varshney","doi":"10.1109/WRAP54064.2022.9758323","DOIUrl":"https://doi.org/10.1109/WRAP54064.2022.9758323","url":null,"abstract":"Fano resonance is the outcome of indirect excitation of EM wave leading to an asymmetric resonant response and having trade-off between Quality factor (Q) and Figure of merit (FOM). We investigated that this tradeoff can be reduced by the coupling of lattice modes with the Fano modes, resulting in high Q-factor and FOM simultaneously. In our study, we fixed the lattice mode by fixing the periodicity, and then engineered the resonator's position such that, the two characteristic frequencies overlap to yield the desired response, which can be utilized in the applications like narrowband filters, modulators, switches, and sensors.","PeriodicalId":363857,"journal":{"name":"2022 Workshop on Recent Advances in Photonics (WRAP)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125689955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Plasmonic Fiber Optic Absorbance Biosensor for MDR-Mtb detection using Padlock Probing 用挂锁探针检测耐多药mtb的等离子体光纤吸收生物传感器
2022 Workshop on Recent Advances in Photonics (WRAP) Pub Date : 2022-03-04 DOI: 10.1109/WRAP54064.2022.9758216
Udiptya Saha, Y. Srinivasulu, D. M, R. Soares, N. Madaboosi, V. Sai
{"title":"Plasmonic Fiber Optic Absorbance Biosensor for MDR-Mtb detection using Padlock Probing","authors":"Udiptya Saha, Y. Srinivasulu, D. M, R. Soares, N. Madaboosi, V. Sai","doi":"10.1109/WRAP54064.2022.9758216","DOIUrl":"https://doi.org/10.1109/WRAP54064.2022.9758216","url":null,"abstract":"India is one among the 14 countries that have a high burden of Multidrug Resistant-Tuberculosis (MDR-TB), thereby demanding robust clinical and diagnostic attention. This study explores the development of a plasmonic fiber optic absorbance biosensor (P-FAB) for the detection of Rolling Circle Amplification (RCA) products to detect MDR genes of Mycobacterium tuberculosis. RCA is used as a nucleic acid amplification strategy for the specific and sensitive detection of DNA samples using the P-FAB platform. RCA-generated amplicons, when detected using U-bent optical fiber probe sensor with a nanoparticle-labeled DNA assay, provides adequate scope for the required clinical sensitivity towards multiplexed TB detection.","PeriodicalId":363857,"journal":{"name":"2022 Workshop on Recent Advances in Photonics (WRAP)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126831961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phase Changing Material based Multi/Demultiplexer with Photonic Crystal Waveguide Couplers for Optical Communication 光通信中基于光子晶体波导耦合器的相变材料多/解复用器
2022 Workshop on Recent Advances in Photonics (WRAP) Pub Date : 2022-03-04 DOI: 10.1109/WRAP54064.2022.9758380
M. Valliammai, J. Mohanraj, N. Vinodhkumar, T. Kanimozhi, S. Sridevi, Satish Addanki
{"title":"Phase Changing Material based Multi/Demultiplexer with Photonic Crystal Waveguide Couplers for Optical Communication","authors":"M. Valliammai, J. Mohanraj, N. Vinodhkumar, T. Kanimozhi, S. Sridevi, Satish Addanki","doi":"10.1109/WRAP54064.2022.9758380","DOIUrl":"https://doi.org/10.1109/WRAP54064.2022.9758380","url":null,"abstract":"A photonic crystal waveguide (PhCW) based coupler is numerically designed to realize the operation of wavelength division multi/demultiplexer (MUX/DEMUX). The PhCW coupler consists of Ge2Sb2Se4Te1 phase changing material (PCM) rods arranged in a square lattice pattern in air background. MUX/DEMUX is realized by optical phase changing between coupling and decoupling of PhCWs. Further, the contrast ratio of DEMUX is achieved about 19 and 29 dB for wavelengths 1530 and 1550 nm. The proposed design act as a good candidate in the wavelength division multiplexing and demultiplexing for the application of optical communications.","PeriodicalId":363857,"journal":{"name":"2022 Workshop on Recent Advances in Photonics (WRAP)","volume":"411 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122105613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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