Pravin Bhattarai, Sanket Bohora, Rijan Maharjan, I. Crowe, A. Dhakal
{"title":"MMI-based compact spectrometer","authors":"Pravin Bhattarai, Sanket Bohora, Rijan Maharjan, I. Crowe, A. Dhakal","doi":"10.1364/FIO.2020.FTU2E.2","DOIUrl":"https://doi.org/10.1364/FIO.2020.FTU2E.2","url":null,"abstract":"We introduce a compact spectrometer based on a 1×16-multimode interference splitter partially filled with random holes. The spectral resolution for this high-bandwidth, on-chip device is found to be at least ~0.04 nm.","PeriodicalId":91683,"journal":{"name":"Frontiers in optics. Annual Meeting of the Optical Society of America","volume":"26 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76364813","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}
W. Bogaerts, A. Rahim, Xiangfeng Chen, Lukas Van Iseghem, H. Deng, Mi Wang, I. Zand, A. Ribeiro, A. Tormo, U. Khan
{"title":"Programmable Photonic Circuits: a flexible way of manipulating light on chips","authors":"W. Bogaerts, A. Rahim, Xiangfeng Chen, Lukas Van Iseghem, H. Deng, Mi Wang, I. Zand, A. Ribeiro, A. Tormo, U. Khan","doi":"10.1364/FIO.2020.FTH1C.1","DOIUrl":"https://doi.org/10.1364/FIO.2020.FTH1C.1","url":null,"abstract":"Programmable Photonic integrated circuits are optical chips where the flow of light is configured through electronics. This provides a flexible way to explore new photonic functions, and a lower threshold for deployment in new applications.","PeriodicalId":91683,"journal":{"name":"Frontiers in optics. Annual Meeting of the Optical Society of America","volume":"140 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2020-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76119227","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}
{"title":"On-chip ultrafast plasmonic graphene photodetectors","authors":"J. Gosciniak, J. Khurgin","doi":"10.1364/FIO.2020.FM2E.6","DOIUrl":"https://doi.org/10.1364/FIO.2020.FM2E.6","url":null,"abstract":"We investigate a waveguide-integrated plasmonic graphene photodetector operating based on the hot carrier either photo-thermoelectric or photo-bolometric effect, which is characterized simultaneously by high responsivity on the scale of hundreds of A/W and high speed on the scale of 100’s of GHz. The proposed detector configuration is based on a hybrid waveguide that allows for efficient absorption in graphene over a short distance and subsequently a large change of conductivity. The results demonstrate the potential of graphene for high-speed communication systems.","PeriodicalId":91683,"journal":{"name":"Frontiers in optics. Annual Meeting of the Optical Society of America","volume":"81 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86941501","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}
{"title":"Multidimensional quantum communication without sharing basis information on the classical channel","authors":"R. Santagati, A. Price, J. Rarity, M. Leonetti","doi":"10.1364/FIO.2020.FM7A.4","DOIUrl":"https://doi.org/10.1364/FIO.2020.FM7A.4","url":null,"abstract":"We present a multidimensional quantum communication scheme that enables the sharing of information on the basis “non-classically”, encoding it in the same photonic qudits used for carrying the data in the quantum channel.","PeriodicalId":91683,"journal":{"name":"Frontiers in optics. Annual Meeting of the Optical Society of America","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86132595","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}
H. P. Piyathilaka, R. Sooriyagoda, H. Esmaielpour, V. R. Whiteside, T. Mishima, Michael B. Santos, I. Sellers, A. Bristow
{"title":"Hot-carrier dynamics of type-II InAs/AlAs1-xSbx quantum wells","authors":"H. P. Piyathilaka, R. Sooriyagoda, H. Esmaielpour, V. R. Whiteside, T. Mishima, Michael B. Santos, I. Sellers, A. Bristow","doi":"10.1364/FIO.2020.FW4B.3","DOIUrl":"https://doi.org/10.1364/FIO.2020.FW4B.3","url":null,"abstract":"Photoexcited carrier relaxation dynamics were investigated using AC photoconductivity in type-II quantum wells. Meta stability of excited carriers were observed to arise due to electron-phonon interactions.","PeriodicalId":91683,"journal":{"name":"Frontiers in optics. Annual Meeting of the Optical Society of America","volume":"10 3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83841201","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}
V. Lobanov, N. Kondratiev, A. Shitikov, R. Galiev, I. Bilenko
{"title":"Quadratic Platicons in χ(2) Optical Microresonators","authors":"V. Lobanov, N. Kondratiev, A. Shitikov, R. Galiev, I. Bilenko","doi":"10.1364/FIO.2020.JTH4A.9","DOIUrl":"https://doi.org/10.1364/FIO.2020.JTH4A.9","url":null,"abstract":"We demonstrate numerically generation of two-color platicons in χ(2) microresonators via pump modulation or mode interaction for both SHG and optical parametric oscillations. Excitation conditions are revealed for discussed generation methods and medium parameters.","PeriodicalId":91683,"journal":{"name":"Frontiers in optics. Annual Meeting of the Optical Society of America","volume":"78 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89014387","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}
Srivatsa Chakravarthi, Pengning Chao, Christian Pederson, S. Molesky, F. Hatami, Alejandro W. Rodriguez, K. Fu
{"title":"Inverse Design Photon Extractors for Optically Addressable Defect Qubits","authors":"Srivatsa Chakravarthi, Pengning Chao, Christian Pederson, S. Molesky, F. Hatami, Alejandro W. Rodriguez, K. Fu","doi":"10.1364/FIO.2020.FW1D.6","DOIUrl":"https://doi.org/10.1364/FIO.2020.FW1D.6","url":null,"abstract":"Photon collection presents a major challenge for optically addressable defects in high index materials like diamond. We demonstrate an inverse-design planar dielectric photon extractor operating near the theoretical limit for NV centers in diamond.","PeriodicalId":91683,"journal":{"name":"Frontiers in optics. Annual Meeting of the Optical Society of America","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90182162","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}
{"title":"Crosstalk Reduction for a Graded-index Six-mode Fiber","authors":"Tian Zhao, Peng Zhang, F. Wen, Baojian Wu, K. Qiu","doi":"10.1364/FIO.2020.JTU1A.28","DOIUrl":"https://doi.org/10.1364/FIO.2020.JTU1A.28","url":null,"abstract":"We build the bridge between the fiber parameters and the mode-coupling crosstalk for a graded-index six-mode fiber. Simulations show that -40dB crosstalk-level can be achieved through small core size, refractive-index value and core eccentricity.","PeriodicalId":91683,"journal":{"name":"Frontiers in optics. Annual Meeting of the Optical Society of America","volume":"115 29","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91408264","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}
C. Biswas, K. N. Krishnakanth, N. Krishna, L. Giribabu, Venugopal Rao Soma, S. S. K. Raavi
{"title":"Femtosecond Transient Absorption Spectroscopy Studies of Ethynylthiophene Functionalized Porphyrin","authors":"C. Biswas, K. N. Krishnakanth, N. Krishna, L. Giribabu, Venugopal Rao Soma, S. S. K. Raavi","doi":"10.1364/FIO.2020.FM4C.8","DOIUrl":"https://doi.org/10.1364/FIO.2020.FM4C.8","url":null,"abstract":"Ultrafast excited state molecular relaxation process in a ethynylthiophene functionalized D--A porphyrin (LG5) molecule sensitizer in solution and thin film form has been studied using femtosecond transient absorption techniques upon pumping with 400 nm.","PeriodicalId":91683,"journal":{"name":"Frontiers in optics. Annual Meeting of the Optical Society of America","volume":"24 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83101629","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}
{"title":"Pulsed-beam Metrology via Broadband Ptychography","authors":"D. Goldberger, J. Barolak, C. Durfee, D. Adams","doi":"10.1364/FIO.2020.FTH5A.4","DOIUrl":"https://doi.org/10.1364/FIO.2020.FTH5A.4","url":null,"abstract":"We demonstrate full spatiospectral, pulse-beam metrology via Broadband Ptychography. The technique reconstructs the complex field of multiple spectral components of probe illumination from a modelocked Ti:sapphire laser.","PeriodicalId":91683,"journal":{"name":"Frontiers in optics. Annual Meeting of the Optical Society of America","volume":"35 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79282377","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}