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Gallium nitride on gallium oxide substrate for integrated nonlinear optics 集成非线性光学中氧化镓衬底上的氮化镓
2017 Photonics North (PN) Pub Date : 2017-11-22 DOI: 10.1109/PN.2017.8090587
Kashif M. Awan, K. Dolgaleva, M. Muhammed, I. Roqan
{"title":"Gallium nitride on gallium oxide substrate for integrated nonlinear optics","authors":"Kashif M. Awan, K. Dolgaleva, M. Muhammed, I. Roqan","doi":"10.1109/PN.2017.8090587","DOIUrl":"https://doi.org/10.1109/PN.2017.8090587","url":null,"abstract":"Gallium Nitride (GaN), being a direct bandgap semiconductor with a wide bandgap and high thermal stability, is attractive for optoelectronic and electronic applications. Furthermore, due to its high optical nonlinearity — the characteristic of all 111-V semiconductors — GaN is also expected to be a suitable candidate for integrated nonlinear photonic circuits for a plethora of apphcations, ranging from on-chip wavelength conversion to quantum computing. Although GaN devices are in commercial production, it still suffers from lack of a suitable substrate material to reduce structural defects like high densities of threading dislocations (TDs), stacking faults, and grain boundaries. These defects significandy deteriorate the optical quality of the epi-grown GaN layer, since they act as non-radiative recombination centers. Recent studies have shown that GaN grown on (−201) β-Gallium Oxide (Ga2O3) has superior optical quality due to a better lattice matching as compared to GaN grown on Sapphire (Al2O3) [1-3]. In this work, we report on the fabrication of GaN waveguides on GaiOj substrate and their optical characterization to assess their feasibihty for efficient four-wave mixing (FWM).","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117142962","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
High peak power sub-60 fs Yb:KGW laser 峰值功率低于60fs的Yb:KGW激光器
2017 Photonics North (PN) Pub Date : 2017-11-02 DOI: 10.1109/PN.2017.8090578
R. Akbari, K. Fedorova, E. Rafailov, A. Major
{"title":"High peak power sub-60 fs Yb:KGW laser","authors":"R. Akbari, K. Fedorova, E. Rafailov, A. Major","doi":"10.1109/PN.2017.8090578","DOIUrl":"https://doi.org/10.1109/PN.2017.8090578","url":null,"abstract":"A high power sub-60 fs mode-locked diode-pumped Yb: KGW laser based on hybrid action of an InGaAs quantum-dot saturable absorber mirror and Kerr-lens mode locking was demonstrated. The laser delivered 56 fs pulses with 1.95 W of average power corresponding to 450 kW of peak power. The spectral bandwidth of the pulse was 20.5 nm, which was near the gain bandwidth limit of the Yb:KGW crystal. To the best of our knowledge, these are the shortest pulses generated from the monoclinic double tungstate crystals (and Yb:KGW laser crystal in particular) and the most powerful in the sub-60 fs regime. At the same time they are also the shortest pulses produced to date with the help of a quantum-dot-based saturable absorber.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129771305","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
In-band pumped conical refraction Nd:KGW laser 带内泵浦锥形折射Nd:KGW激光器
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090570
C. Howlader, T. Waritanant, K. Fedorova, G. Sokolovskii, E. Rafailov, A. Major
{"title":"In-band pumped conical refraction Nd:KGW laser","authors":"C. Howlader, T. Waritanant, K. Fedorova, G. Sokolovskii, E. Rafailov, A. Major","doi":"10.1109/PN.2017.8090570","DOIUrl":"https://doi.org/10.1109/PN.2017.8090570","url":null,"abstract":"We have demonstrated an in-band pumped conical refraction (CR) Nd: KGW laser. The CR laser was diode-pumped at 910 nm and produced an output power of 1.15 W at 1069 nm.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122582421","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
Spectrally-dependent Z-scan measurement of the nonlinear refractive index of graphene 石墨烯非线性折射率的光谱相关z扫描测量
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090599
Siddharatha Thakur, Behrooz Semnani, A. H. Majedi
{"title":"Spectrally-dependent Z-scan measurement of the nonlinear refractive index of graphene","authors":"Siddharatha Thakur, Behrooz Semnani, A. H. Majedi","doi":"10.1109/PN.2017.8090599","DOIUrl":"https://doi.org/10.1109/PN.2017.8090599","url":null,"abstract":"The nonlinear optical behaviour of Graphene has become an important topic of investigation as it adds another facet to its growing list of electronic and mechanical properties. This work investigates the spectral dependence of the nonlinear index of refraction («2) of graphene, spanning excitation in the 800–1050 nm range, using the Z-Scan technique.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122459609","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: 3
Towards accurate LSPR biosensors based on the projection method: A direct measurement for refractive index 基于投影法的精确LSPR生物传感器:折射率的直接测量
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090592
A. Abumazwed, A. Kirk, W. Kubo, T. Tanaka
{"title":"Towards accurate LSPR biosensors based on the projection method: A direct measurement for refractive index","authors":"A. Abumazwed, A. Kirk, W. Kubo, T. Tanaka","doi":"10.1109/PN.2017.8090592","DOIUrl":"https://doi.org/10.1109/PN.2017.8090592","url":null,"abstract":"We present a simple and accurate method to improve both accuracy and precision for localized surface plasmon resonance biosensors based on gold nanotube structures. The finite difference time domain (FDTD) method and the nanoimprint lithography technique were used in simulating and fabricating the nanotubes, respectively. The method provides a direct measure for the refractive index and achieves an increased accuracy as compared to other established methods.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"10 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114105149","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
Integrated DWDM multiplexer and channel monitoring structure using dispersive base-layer material 采用色散基层材料的集成DWDM多路复用器和信道监控结构
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090576
I. Mansour, A. Atieh
{"title":"Integrated DWDM multiplexer and channel monitoring structure using dispersive base-layer material","authors":"I. Mansour, A. Atieh","doi":"10.1109/PN.2017.8090576","DOIUrl":"https://doi.org/10.1109/PN.2017.8090576","url":null,"abstract":"A novel optical demultiplexer with auxiliary monitoring channel using multilayer dispersive material structure is proposed. A spatial shift among the different input wavelengths occurred due to the wavelength dependent of the dispersive material. The effect of the different design parameters such as number of layers, incidence angle of the optical beam, dispersive material of base layer, thickness, refractive index profile on the spatial shift between adjacent channels and size of the device are investigated.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116509696","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
Third order nonlinear optical properties in photosensitive material of glue with ammonium dichromate 重铬酸铵胶光敏材料的三阶非线性光学性质
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090571
G. Argüello-Sarmiento, E. Alvarado-Mendez, M. Ortiz-Gutiérrez, M. Trejo-Durán
{"title":"Third order nonlinear optical properties in photosensitive material of glue with ammonium dichromate","authors":"G. Argüello-Sarmiento, E. Alvarado-Mendez, M. Ortiz-Gutiérrez, M. Trejo-Durán","doi":"10.1109/PN.2017.8090571","DOIUrl":"https://doi.org/10.1109/PN.2017.8090571","url":null,"abstract":"A study of nonlinear optic characteristics for a mixture of photoengraving glue with ammonium dichromate is presented. Third order nonlinear optic behavior is shown in both media: dissolution and individually. Self-diffraction and nonlinear refractive index are shown.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114837903","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
Quasi-monocrystalline Ge as an interface layer for multi-junction solar cells on Si substrates: Electrical resistivity and device modelling 准单晶锗作为硅基多结太阳能电池的界面层:电阻率和器件建模
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090565
M. Beattie, David G. Hobson, C. Valdivia, K. Hinzer, Youcef A. Bioud, A. Boucherif, D. Drouin, R. Arès
{"title":"Quasi-monocrystalline Ge as an interface layer for multi-junction solar cells on Si substrates: Electrical resistivity and device modelling","authors":"M. Beattie, David G. Hobson, C. Valdivia, K. Hinzer, Youcef A. Bioud, A. Boucherif, D. Drouin, R. Arès","doi":"10.1109/PN.2017.8090565","DOIUrl":"https://doi.org/10.1109/PN.2017.8090565","url":null,"abstract":"Quasi-monocrystalline germanium (QMC Ge) is investigated for potential applications in high-efficiency, low-cost multi-junction solar cell design. The morphology and electrical resistivity of QMC Ge is characterized and computer simulations of MJSCs on Si substrates using QMC Ge interface layer are developed.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133829580","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
New Design Concepts for Inorganic Solar Cells: From Thin Films to Functional Nanostructures: Using a pulsed laser for in-situ growth of semiconductor core-shell nanostructures 无机太阳能电池的新设计概念:从薄膜到功能纳米结构:使用脉冲激光原位生长半导体核壳纳米结构
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090573
L. Roca, Yerila Rodríguez Martínez, Jesús Antonio Alba Cabañas, Osmel Cruzata Montero
{"title":"New Design Concepts for Inorganic Solar Cells: From Thin Films to Functional Nanostructures: Using a pulsed laser for in-situ growth of semiconductor core-shell nanostructures","authors":"L. Roca, Yerila Rodríguez Martínez, Jesús Antonio Alba Cabañas, Osmel Cruzata Montero","doi":"10.1109/PN.2017.8090573","DOIUrl":"https://doi.org/10.1109/PN.2017.8090573","url":null,"abstract":"For many years solar cells were totally inorganic and its design used to be simple. No matter how many junctions you could think about, at the end the interfaces were planar and the configurations followed a stratification of layers. And then, nanotechnology opened a wide variety of possibilities in which the architecture of the solar cells not only changed how solar cells architectures look like, but also, the working principle and materials functionality. In this type of solar cells, we have used a Nd:YAG pulsed laser as a heat local source. Previously, we have impacted in the process of seeding prior to ZnO nanorods growth by an hydrothermal technique [1]. In this approach, we use it for achieving the CdS quantum dot semiconductor harvester and ZnO nanorod electron transport partners in a single, simple and in-situ step.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"146 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116467743","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
Beyond 1 Tb/s free-space optical transmission in the presence of atmospheric turbulence 在大气湍流存在下超过1tb /s的自由空间光传输
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090591
Z. Qu, I. Djordjevic
{"title":"Beyond 1 Tb/s free-space optical transmission in the presence of atmospheric turbulence","authors":"Z. Qu, I. Djordjevic","doi":"10.1109/PN.2017.8090591","DOIUrl":"https://doi.org/10.1109/PN.2017.8090591","url":null,"abstract":"In this invited paper, we review the approach to achieve beyond 1 Tb/s free-space optical (FSO) transmission in the presence of atmospheric turbulence, which is enabled by wavelength division multiplexing, orbital angular momentum multiplexing, and polarization division multiplexing; in combination with higher order modulation formats.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116868335","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
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