{"title":"Bragg grating coupled high Q factor ring resonator using LSCVD deposited Si3N4 film","authors":"Xiaoyang Cheng, S. Yokoyama","doi":"10.23919/MOC.2017.8244509","DOIUrl":"https://doi.org/10.23919/MOC.2017.8244509","url":null,"abstract":"High-quality Si<inf>3</inf>N<inf>4</inf> films with low optical loss were deposited at 150°C using LSCVD. A micro-ring resonator based on as-deposited Si<inf>3</inf>N<inf>4</inf> with Q-factor of 5.2×10<sup>4</sup> has been demonstrated. Bragg gratings are fabricated at bus ends to improve coupling efficiency. The LSCVD deposited Si<inf>3</inf>N<inf>4</inf> exemplify its viability as a photonic integration platform.","PeriodicalId":123743,"journal":{"name":"2017 22nd Microoptics Conference (MOC)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130489646","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}
M. Gohara, R. Kimura, K. Yamaguchi, T. Kuboki, K. Kato
{"title":"Linearizer for wavelength sweep at tunable DBR-LD and linearity evaluation of sweep","authors":"M. Gohara, R. Kimura, K. Yamaguchi, T. Kuboki, K. Kato","doi":"10.23919/MOC.2017.8244604","DOIUrl":"https://doi.org/10.23919/MOC.2017.8244604","url":null,"abstract":"We constructed the linear wavelength sweeping system with 2-μm-band distributed Bragg reflector laser for the second-harmonic-detection wavelength modulation spectroscopy. Using our devised linearity evaluation method with a germanium etalon filter, we experimentally confirmed that the nonlinearity of the laser can be efficiently compensated.","PeriodicalId":123743,"journal":{"name":"2017 22nd Microoptics Conference (MOC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130535544","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":"Hybrid ultra thin silicon and electro-optic polymer waveguide modulator","authors":"Yukinori Inoue, H. Miura, S. Yokoyama","doi":"10.23919/MOC.2017.8244606","DOIUrl":"https://doi.org/10.23919/MOC.2017.8244606","url":null,"abstract":"Compact and, low driving voltage optical modulator is the key device for high-speed on-chip optical interconnects. We have fabricated a hybrid silicon and electro-optic (EO) polymer modulator and demonstrated its EO properties. We used thin silicon core and planar electrodes to enable the modulator a low driving voltage.","PeriodicalId":123743,"journal":{"name":"2017 22nd Microoptics Conference (MOC)","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128199531","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}
Yang Zhou, G. Sakano, Kota Tsugami, H. Kanaya, K. Kato
{"title":"Terahertz wave beam steering by optical phase control","authors":"Yang Zhou, G. Sakano, Kota Tsugami, H. Kanaya, K. Kato","doi":"10.23919/MOC.2017.8244521","DOIUrl":"https://doi.org/10.23919/MOC.2017.8244521","url":null,"abstract":"We investigated the ability to tilt the terahertz wave beam at arrayed photomixers. Experimental demonstration showed that optical phase control enabled us to make a beam steering of a 300-GHz terahertz wave in a range of 25 degrees.","PeriodicalId":123743,"journal":{"name":"2017 22nd Microoptics Conference (MOC)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127213642","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":"Metasurface-based ultra-thin circular polarization analyzer integrated with semiconductor photodetectors","authors":"Junghoon Park, Kyoungsik Yu","doi":"10.23919/MOC.2017.8244629","DOIUrl":"https://doi.org/10.23919/MOC.2017.8244629","url":null,"abstract":"We report on a metal-dielectric-metal (MDM) waveguide-based circular polarization analyzer with a sub-micron-scale thickness. By integrating nano-aperture metasurface and semiconductor photodetectors with the MDM structure, we can discriminate the handedness of circularly polarized light directly from the photocurrents without the usage of conventional optical components.","PeriodicalId":123743,"journal":{"name":"2017 22nd Microoptics Conference (MOC)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123089428","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":"Effective permeability measurement of μ-negative metamaterials using an inductance method","authors":"Z. Hong, Chunyu Zhao, Xudong Luo, Zhenyu Huang, Hui Zhu, Senlin Zhu","doi":"10.23919/MOC.2017.8244557","DOIUrl":"https://doi.org/10.23919/MOC.2017.8244557","url":null,"abstract":"An inductance method is proposed in the paper to measure the effective permeability of μ-negative metamaterials. The method is achieved by measuring the inductance response of a multiple coil inspired by exciting current and metamaterials. The theory, simulation model and results are presented and the performance is also discussed.","PeriodicalId":123743,"journal":{"name":"2017 22nd Microoptics Conference (MOC)","volume":"113 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116906299","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":"VCSEL technology for imaging and sensor systems applications","authors":"K. Ebeling, R. Michalzik","doi":"10.23919/MOC.2017.8244477","DOIUrl":"https://doi.org/10.23919/MOC.2017.8244477","url":null,"abstract":"Vertical-cavity surface-emitting laser diodes (VCSELs) provide extraordinary properties like sub-mA threshold current, multi-GHz modulation capability, or relative intensity noise close to the quantum limit. VCSELs have become a preferred light source for optical sensor technologies and imaging systems. The purpose is to review some recent developments with special attention to mass market employments and to reveal future applications.","PeriodicalId":123743,"journal":{"name":"2017 22nd Microoptics Conference (MOC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121116037","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}
J. M. Olvera-Angeles, A. Padilla-Vivanco, J. Sasián, J. Schwiegerling, J. Arines, E. Acosta
{"title":"Optimizing the design of trefoil phase plates for wavefront coding","authors":"J. M. Olvera-Angeles, A. Padilla-Vivanco, J. Sasián, J. Schwiegerling, J. Arines, E. Acosta","doi":"10.23919/MOC.2017.8244631","DOIUrl":"https://doi.org/10.23919/MOC.2017.8244631","url":null,"abstract":"Wavefront Coding (WFC) is a technique which makes use of generalized aspheric optics and digital signal processing to greatly increase the depth of focus and/or reduce the cost of imaging systems. Usually, cubic phase elements are employed to obtain images that are insensitive to defocus and some aberrations. In this work we will show how to optimize the design of a trefoil phase plate in order to optimize its performance for large amounts of defocus.","PeriodicalId":123743,"journal":{"name":"2017 22nd Microoptics Conference (MOC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121237936","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":"Mach-Zehnder interferometer with Fabry-Perot cavities in silicon-on-insulator for biosensing","authors":"M. Mendez-Astudillo, H. Okayama, H. Nakajima","doi":"10.23919/MOC.2017.8244526","DOIUrl":"https://doi.org/10.23919/MOC.2017.8244526","url":null,"abstract":"We demonstrate a Fabry-Perot cavity based on Bragg grating mirrors in both arms of a Mach-Zehnder interferometer. The devices were fabricated in silicon-on-insulator and are useful for characterizing the waveguide parameters and obtaining a highly precise and sensitive sensor with a temperature compensating scheme.","PeriodicalId":123743,"journal":{"name":"2017 22nd Microoptics Conference (MOC)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122338114","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}
M. Sakamoto, Takuya Hizatsuki, Kohei Noda, T. Sasaki, N. Kawatsuki, K. Goto, H. Ono
{"title":"Fabrication of fine metal structure by using interference pattern of copropagating optical vortices and lift-off process","authors":"M. Sakamoto, Takuya Hizatsuki, Kohei Noda, T. Sasaki, N. Kawatsuki, K. Goto, H. Ono","doi":"10.23919/MOC.2017.8244547","DOIUrl":"https://doi.org/10.23919/MOC.2017.8244547","url":null,"abstract":"To fabricate fine metal structure, we proposed and demonstrated a method by using interference pattern of copropagating optical vortices and lift-off process. This method can fabricate more fine structure compared with the conventional laser drawing method using Gaussian beam even if the low numerical aperture condition.","PeriodicalId":123743,"journal":{"name":"2017 22nd Microoptics Conference (MOC)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122738851","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}