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A novel design of diffractive optical interconnects for multichip clock distribution 一种用于多芯片时钟分配的新型衍射光互连设计
Conference on Lasers and Electro-Optics Europe Pub Date : 1998-01-01 DOI: 10.1364/cleo_europe.1998.cpd2.3
Sophie Mennerat, S. Paineau
{"title":"A novel design of diffractive optical interconnects for multichip clock distribution","authors":"Sophie Mennerat, S. Paineau","doi":"10.1364/cleo_europe.1998.cpd2.3","DOIUrl":"https://doi.org/10.1364/cleo_europe.1998.cpd2.3","url":null,"abstract":"We report a novel system of diffractive optical interconnects for very high speed clock distribution among multichip modules. Our system distributes two clock signals, each from one separate Vertical Cavity Surface Emitting Laser (VCSEL) over four PIN diodes positioned within a radius of 9 mm along a light-guiding glass plate. The incoming optical gaussian beams from VCSEL are splitted by diffractive optical elements into four output beams and the glass plate propagates the light through multiple reflections onto the golden metallized faces towards the detectors. The overall alignment and chromatic acceptance is highly improved by the use of SELFOC micro-lenses that collimate the laser beam onto the diffractive optical element and that focus the output beam onto the active area of the detectors. The proposed architecture allows tolerance on the light source wavelength as high as Δλ = 10 nm and global tolerances of assembly of the glass plate of 1.5 degrees in rotation and 10 µm in translation making it compatible with the processes of hybridization in microelectronics.","PeriodicalId":10610,"journal":{"name":"Conference on Lasers and Electro-Optics Europe","volume":"21 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1998-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87806747","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
Adaptive optical applications of electro-optic devices 电光器件的自适应光学应用
Conference on Lasers and Electro-Optics Europe Pub Date : 1998-01-01 DOI: 10.1364/cleo_europe.1998.cpd2.1
G. Love
{"title":"Adaptive optical applications of electro-optic devices","authors":"G. Love","doi":"10.1364/cleo_europe.1998.cpd2.1","DOIUrl":"https://doi.org/10.1364/cleo_europe.1998.cpd2.1","url":null,"abstract":"Adaptive optics (AO) is an emerging technology used to correct aberrations in optical systems. It achieves this by spatial and temporally phase modulating the light, as opposed to image processing techniques which aim to deconvolve aberrations once an image has been recorded.","PeriodicalId":10610,"journal":{"name":"Conference on Lasers and Electro-Optics Europe","volume":"22 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1998-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82436989","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
Room-temperature pulsed operation of 1.52 μm vertical cavity lasers obtained by localised fusion 局部聚变获得的1.52 μm垂直腔激光器的室温脉冲操作
Conference on Lasers and Electro-Optics Europe Pub Date : 1998-01-01 DOI: 10.1364/cleo_europe.1998.cmh2
A. Syrbu, V. Iakovlev, C. Berseth, A. Rudra, E. Kapon
{"title":"Room-temperature pulsed operation of 1.52 μm vertical cavity lasers obtained by localised fusion","authors":"A. Syrbu, V. Iakovlev, C. Berseth, A. Rudra, E. Kapon","doi":"10.1364/cleo_europe.1998.cmh2","DOIUrl":"https://doi.org/10.1364/cleo_europe.1998.cmh2","url":null,"abstract":"We have shown recently that localized fusion of InP to GaAs provides high quality interfaces, low voltage drop p-GaAs/p-InP junctions and additional lateral current confinement in InGaAsP/InP edge emitting laser diodes fused on p-GaAs substrates1,2. In the present study’, the concept of localized fusion is extended to the fabrication of InGaAsP/InP long wavelength vertical cavity-surface emitting lasers (VCSELs) with double fused n- and p-AlGaAs/GaAs distributed Bragg reflectors (DBR).","PeriodicalId":10610,"journal":{"name":"Conference on Lasers and Electro-Optics Europe","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1998-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88458638","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
GaAs VCSELs at λ = 780 nm for short distance polymer optical fiber data links at 2.5 Gb/s λ = 780 nm的GaAs VCSELs用于2.5 Gb/s的短距离聚合物光纤数据链路
Conference on Lasers and Electro-Optics Europe Pub Date : 1998-01-01 DOI: 10.1364/cleo_europe.1998.ctuc4
P. Schnitzer, M. Grabherr, R. Jäger, R. Michalzik, W. Schmid, K. Ebeling
{"title":"GaAs VCSELs at λ = 780 nm for short distance polymer optical fiber data links at 2.5 Gb/s","authors":"P. Schnitzer, M. Grabherr, R. Jäger, R. Michalzik, W. Schmid, K. Ebeling","doi":"10.1364/cleo_europe.1998.ctuc4","DOIUrl":"https://doi.org/10.1364/cleo_europe.1998.ctuc4","url":null,"abstract":"Visible, red emitting vertical cavity surface emitting lasers (VCSELs) [1] in the wavelength regime between 650 and 780 nm are very attractive light sources in low cost optical interconnects with on polymer optical fibers (POFs). We have fabricated GaAs-based 780 nm emission wavelength VCSELs using solid source MBE and p-type Carbon doping. Single layer 30 nm thick oxide apertures provide current and optical confinement. We employ 120 μm core diameter POF (Toray PGR-FB 125) because conventional POFs have core diameters between 0.25 and 3 mm making them impractical for high density optical interconnects with transmitter and receiver array pitch sizes of 250 μm or less [2].","PeriodicalId":10610,"journal":{"name":"Conference on Lasers and Electro-Optics Europe","volume":"14 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1998-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83912346","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
Characterization of laser plasma plume for deposition of CNX films 激光等离子体羽流沉积CNX薄膜的表征
Conference on Lasers and Electro-Optics Europe Pub Date : 1998-01-01 DOI: 10.1364/cleo_europe.1998.cthh87
J. Lančok, M. Jelínek, J. Bulíř, C. Grivas
{"title":"Characterization of laser plasma plume for deposition of CNX films","authors":"J. Lančok, M. Jelínek, J. Bulíř, C. Grivas","doi":"10.1364/cleo_europe.1998.cthh87","DOIUrl":"https://doi.org/10.1364/cleo_europe.1998.cthh87","url":null,"abstract":"Pulsed laser ablation of graphite in nitrogen atmosphere is one of the perspective technique for the preparation of CNX films and superhard β-C3N4 films. The study of ablation process is very important for optimalization of deposition conditions and CNX film properties.","PeriodicalId":10610,"journal":{"name":"Conference on Lasers and Electro-Optics Europe","volume":"41 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1998-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83200236","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
Mid Infrared Sensors Using Periodically Poled LiNbO3 for Trace Gas Detection 周期性极化LiNbO3中红外传感器用于微量气体检测
Conference on Lasers and Electro-Optics Europe Pub Date : 1998-01-01 DOI: 10.1364/cleo_europe.1998.ctuh1
F. Tittel, D. Lancaster, D. Richter, R. Curl
{"title":"Mid Infrared Sensors Using Periodically Poled LiNbO3 for Trace Gas Detection","authors":"F. Tittel, D. Lancaster, D. Richter, R. Curl","doi":"10.1364/cleo_europe.1998.ctuh1","DOIUrl":"https://doi.org/10.1364/cleo_europe.1998.ctuh1","url":null,"abstract":"In recent years there has been an increasing interest in the detection and precise measurements of environmentally important atmospheric trace gases. Applications that require trace gas measurements include industrial, urban and rural emissions monitoring, air quality in confined environments, medical applications, atmospheric chemistry, chemical analysis and process control.","PeriodicalId":10610,"journal":{"name":"Conference on Lasers and Electro-Optics Europe","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1998-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90198798","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
Photoacoustic investigation of the excimer laser ablation of YBa2Cu3O7−x HTSC 准分子激光烧蚀YBa2Cu3O7−x HTSC的光声研究
Conference on Lasers and Electro-Optics Europe Pub Date : 1998-01-01 DOI: 10.1364/cleo_europe.1998.cthh84
D. Dogas, C. Andreouli, T. Efthimiopoulos, M. Campbell, C. Savakis
{"title":"Photoacoustic investigation of the excimer laser ablation of YBa2Cu3O7−x HTSC","authors":"D. Dogas, C. Andreouli, T. Efthimiopoulos, M. Campbell, C. Savakis","doi":"10.1364/cleo_europe.1998.cthh84","DOIUrl":"https://doi.org/10.1364/cleo_europe.1998.cthh84","url":null,"abstract":"The photoacoustic response of the YBCO high Tc superconductor has been monitored in order to investigate the interaction of the XeCl excimer laser nanosecond pulses with bulk YBCO targets. The detection and monitoring via a piezoelectric transducer of the compression of the laser induced pressure waves propagating into the bulk YBCO samples provides information regarding the vaporization and ablation thresholds, the velocity of the pressure wave and the etching rate.","PeriodicalId":10610,"journal":{"name":"Conference on Lasers and Electro-Optics Europe","volume":"248 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1998-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74911656","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
Performance of a diode-pumped 1.4 W Tm:GdVO4 microchip laser at 1.9μm. 1.9μm二极管泵浦1.4 W Tm:GdVO4微芯片激光器的性能。
Conference on Lasers and Electro-Optics Europe Pub Date : 1998-01-01 DOI: 10.1364/cleo_europe.1998.cmc3
C. Wyss, W. Lüthy, H. Weber, V. I. Vlasov, Y. Zavartsev, P. A. Studenikin, A. I. Zagumennyi, I. Shcherbakov
{"title":"Performance of a diode-pumped 1.4 W Tm:GdVO4 microchip laser at 1.9μm.","authors":"C. Wyss, W. Lüthy, H. Weber, V. I. Vlasov, Y. Zavartsev, P. A. Studenikin, A. I. Zagumennyi, I. Shcherbakov","doi":"10.1364/cleo_europe.1998.cmc3","DOIUrl":"https://doi.org/10.1364/cleo_europe.1998.cmc3","url":null,"abstract":"GdVO4 as a host for Thulium has several advantages for diode pumping in comparison with YAG. The absorption cross section of Thulium in GdVO4 is considerably stronger and broader than in YAG and the spectrum is shifted closer to the emission wavelength of commercially available AlGaAs laser diodes. The broad emission spectrum (1.9 μm - 2.1 μm) allows for tuning the laser wavelength. Furthermore, the large thermal conductivity of GdVO4 (10 W/mK) is very favourable for efficient cooling of the crystal.","PeriodicalId":10610,"journal":{"name":"Conference on Lasers and Electro-Optics Europe","volume":"29 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1998-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75333266","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
Efficient Raman shifting of tunable LiF:F2+ laser radiation into 1.3-1.4 μm region 可调谐LiF:F2+激光辐射在1.3 ~ 1.4 μm区域的高效拉曼位移
Conference on Lasers and Electro-Optics Europe Pub Date : 1998-01-01 DOI: 10.1364/cleo_europe.1998.cwf10
T. Basiev, M. Doroshenko, P. Zverev, V. B. Sigachev
{"title":"Efficient Raman shifting of tunable LiF:F2+ laser radiation into 1.3-1.4 μm region","authors":"T. Basiev, M. Doroshenko, P. Zverev, V. B. Sigachev","doi":"10.1364/cleo_europe.1998.cwf10","DOIUrl":"https://doi.org/10.1364/cleo_europe.1998.cwf10","url":null,"abstract":"A-number of scientific and industrial applications (for instance in the field of telecommunication) require radiation sources with rather wide tunability within the 1.3 μm range. LiF crystals with stable F2- color centers have proved to be efficient source of widely tunable radiation which can be shifted to the desired region by means of Raman converters. In this report the barium nitrate Ba(NO3)2 Raman laser, pumped by tunable LiF:F2- color center (CC) laser was investigated For tuning range broadening the CC laser was pumped by passively Q-switched Nd:YLF laser with shorter oscillation wavelength (1.047 μm).","PeriodicalId":10610,"journal":{"name":"Conference on Lasers and Electro-Optics Europe","volume":"2 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1998-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81199871","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
A Study of Quasi-Fhase-Matched Second-Order Nonlinear Effects in Optical Waveguides Using an Iterative Finite-Difference Beam Propagation Method 用迭代有限差分光束传播法研究光波导中准相位匹配二阶非线性效应
Conference on Lasers and Electro-Optics Europe Pub Date : 1998-01-01 DOI: 10.1364/cleo_europe.1998.cthh39
H. Chou, Gin-Chung Wang, Ching-Fuh Lin
{"title":"A Study of Quasi-Fhase-Matched Second-Order Nonlinear Effects in Optical Waveguides Using an Iterative Finite-Difference Beam Propagation Method","authors":"H. Chou, Gin-Chung Wang, Ching-Fuh Lin","doi":"10.1364/cleo_europe.1998.cthh39","DOIUrl":"https://doi.org/10.1364/cleo_europe.1998.cthh39","url":null,"abstract":"Quasi-phase-matched (QPM) waveguide devices have been widely studied due to their flexible frequency conversion abilities and potential applications in many areas Some analytical analyses [1] have been done to model the QPM second-order nonlinear effects using both the plane-wave and non-depleting pump approximation. However, precise analytical modeling of those QPM devices is quite difficult when large or irregular geometrical variations exist and the depletion of the pump energy is not negligible Therefore, we propose an iterative finite difference beam propagation method (IFD-BPM) to model and study the QPM second-order nonlinear effects in optical waveguides.","PeriodicalId":10610,"journal":{"name":"Conference on Lasers and Electro-Optics Europe","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1998-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80440592","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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