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2021 Photonics North (PN)最新文献

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Molecular Beam Epitaxy Growth and Characterization of AlGaN Epilayer in the Nitrogen-rich Condition on Si Substrate 富氮条件下Si衬底上AlGaN脱膜的分子束外延生长及表征
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597930
Qihua Zhang, Xue Yin, Songrui Zhao
{"title":"Molecular Beam Epitaxy Growth and Characterization of AlGaN Epilayer in the Nitrogen-rich Condition on Si Substrate","authors":"Qihua Zhang, Xue Yin, Songrui Zhao","doi":"10.1109/PN52152.2021.9597930","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597930","url":null,"abstract":"In this work, we demonstrate AlGaN epilayer in the nitrogen-rich condition on Si by molecular beam epitaxy. The epilayer is further confirmed to be nitrogen-polar.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"15 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73069086","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
Valley-selective directional emission enabled by a plasmonic nanoantenna 由等离子体纳米天线实现的谷选择定向发射
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597992
Tobias Bucher, Mostafa Abasifard, I. Staude, Emad Najafidehaghani, A. George, A. Turchanin, T. Pertsch, Jingshi Yan, Haitao Chen, K. Z. Kamali, M. Rahmani, D. Neshev
{"title":"Valley-selective directional emission enabled by a plasmonic nanoantenna","authors":"Tobias Bucher, Mostafa Abasifard, I. Staude, Emad Najafidehaghani, A. George, A. Turchanin, T. Pertsch, Jingshi Yan, Haitao Chen, K. Z. Kamali, M. Rahmani, D. Neshev","doi":"10.1109/PN52152.2021.9597992","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597992","url":null,"abstract":"We experimentally investigate the coupling of spontaneous emission from monolayer tungsten diselenide to resonant plasmonic nanoantennas at cryogenic temperatures. The low temperature conditions enable preserved chiral polarization states of the spontaneous emission with a valley-selective handedness. By back-focal plane imaging of the scattered spontaneous emission we demonstrate a valley-selective directional emission pattern.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"74 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72928143","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
Diode-pumped Yb:CALGO laser with <100 fs pulses 脉冲小于100 fs的二极管泵浦Yb:CALGO激光器
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597946
Md. A. R. Reza, A. Major
{"title":"Diode-pumped Yb:CALGO laser with <100 fs pulses","authors":"Md. A. R. Reza, A. Major","doi":"10.1109/PN52152.2021.9597946","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597946","url":null,"abstract":"A diode-pumped mode-locked Yb:CALGO laser operating at 26.9 MHz repetition rate was demonstrated using a telescopic configuration. Without any external pulse compression, a pulse width of 91 fs was obtained directly at the oscillator output with 750 mW of output power. The corresponding pulse energy was 27.9 nJ and the peak power reached 306 kW.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"10 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73701571","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
Ultrabroadband Reconstruction of the Refractive Index of Nonlinear Soft Glasses from Terahertz to Infrared Frequencies 非线性软玻璃从太赫兹到红外的折射率超宽带重构
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597922
A. Pacewicz, J. Cimek, B. Salski, M. Walczakowski, R. Buczyński
{"title":"Ultrabroadband Reconstruction of the Refractive Index of Nonlinear Soft Glasses from Terahertz to Infrared Frequencies","authors":"A. Pacewicz, J. Cimek, B. Salski, M. Walczakowski, R. Buczyński","doi":"10.1109/PN52152.2021.9597922","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597922","url":null,"abstract":"The complex refractive index of a range of soft glasses was determined via THz-TDS and FTIR spectroscopy in an ultrawide band of ca. 0.1 THz - 200 THz. An investigation into the relationship between the dielectric and other physical glass properties was also carried out.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"4 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85292045","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
Modeling the nonlinear optical response of indium tin oxide 氧化铟锡非线性光学响应的建模
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597848
J. Baxter, Antonio Calà Lesina, I. De Leon, L. Ramunno
{"title":"Modeling the nonlinear optical response of indium tin oxide","authors":"J. Baxter, Antonio Calà Lesina, I. De Leon, L. Ramunno","doi":"10.1109/PN52152.2021.9597848","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597848","url":null,"abstract":"Indium Tin Oxide has been shown to exhibit strong optical nonlinearities in the near-infrared arising from the non-parabolicity of its conduction band. We implement a self-consistent model for this nonlinearity using FDTD and verify it with the previously published experimental data.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"11 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84091648","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
Generation of densely-spaced time-bin entangled qubits on a chip 在晶片上产生密集间隔的时间盒纠缠量子位元
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9598004
M. Chemnitz, S. Sciara, B. Fischer, Benjamin Crockett, P. Roztocki, Hao Yu, Zhiming Wang, R. Morandotti, B. Little, S. Chu, D. Moss
{"title":"Generation of densely-spaced time-bin entangled qubits on a chip","authors":"M. Chemnitz, S. Sciara, B. Fischer, Benjamin Crockett, P. Roztocki, Hao Yu, Zhiming Wang, R. Morandotti, B. Little, S. Chu, D. Moss","doi":"10.1109/PN52152.2021.9598004","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9598004","url":null,"abstract":"We present a compact scheme for the integrated generation of densely-spaced time-bin entangled two-photon qubits using an on-chip unbalanced interferometer and a spiral waveguide. We show quantum interference with visibilities as high as 99%.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"16 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82947966","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
Defect Saturation with Carriers in GaN/InGaN LEDs: A potential phenomenon to confront the green gap GaN/InGaN led中载流子的缺陷饱和:面对绿隙的潜在现象
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597968
D. Nag, A. Laha
{"title":"Defect Saturation with Carriers in GaN/InGaN LEDs: A potential phenomenon to confront the green gap","authors":"D. Nag, A. Laha","doi":"10.1109/PN52152.2021.9597968","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597968","url":null,"abstract":"Non-radiative defects play a major detrimental role by escalating SRH recombination in InGaN LEDs, especially with high Indium composition. Saturation of the defects with injected carriers is well known for various materials. However, this phenomenon is not studied widely for LEDs. This paper highlights some of the pioneering experimental and theoretical advancements toward understanding the concept that not all defects in LEDs participate in SRH recombination, instead part of them get saturated with carriers.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"30 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85942310","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
A Broadband Si3N4 Polarization Beam Splitter Based on Asymmetric Directional Couplers 基于非对称定向耦合器的宽带Si3N4偏振分束器
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597974
J. Zhan, M. Dagenais, Guangcanlan Yang, S. Veilleux
{"title":"A Broadband Si3N4 Polarization Beam Splitter Based on Asymmetric Directional Couplers","authors":"J. Zhan, M. Dagenais, Guangcanlan Yang, S. Veilleux","doi":"10.1109/PN52152.2021.9597974","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597974","url":null,"abstract":"We present the design of a broadband Si3N4 polarization beam splitter based on asymmetric directional couplers. A 20 dB polarization extinction ratio has been achieved over a bandwidth of 103 nm experimentally.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"32 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87425413","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
THz ultra-narrow resonance metasurface based on InSb metamolecules 基于InSb超分子的太赫兹超窄共振超表面
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597932
S. Aghili, Aydin Amini, K. Dolgaleva
{"title":"THz ultra-narrow resonance metasurface based on InSb metamolecules","authors":"S. Aghili, Aydin Amini, K. Dolgaleva","doi":"10.1109/PN52152.2021.9597932","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597932","url":null,"abstract":"We design a metasurface comprised of indium antimonide (InSb) metamolecules on a SiO2 substrate that exhibits ultra-high-Q (Q = 3400) surface lattice resonance at the THz spectral range.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"38 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80056248","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
End-to-End Polarization Error Analysis of a Terrestrial Free-Space Quantum Communication Link 地面自由空间量子通信链路端到端极化误差分析
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597898
Natasa Pavlovic Tucakovic, Uday Chandrashekara, A. Kržič, F. Steinlechner
{"title":"End-to-End Polarization Error Analysis of a Terrestrial Free-Space Quantum Communication Link","authors":"Natasa Pavlovic Tucakovic, Uday Chandrashekara, A. Kržič, F. Steinlechner","doi":"10.1109/PN52152.2021.9597898","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597898","url":null,"abstract":"Quantum bit errors in a polarization-entanglement-based free-space quantum communication system are analyzed. Our results reveal the feasibility of static free-space entanglement distribution networks without requirement for complex active polarization control.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":" 12","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91414119","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
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