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The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society最新文献

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The impact of polarization mode dispersion: optical duobinary vs. NRZ transmission 偏振模色散的影响:光双子星与NRZ传输
The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society Pub Date : 2002-11-10 DOI: 10.1109/LEOS.2002.1159430
G. Bosco, A. Carena, V. Curri, P. Poggiolini
{"title":"The impact of polarization mode dispersion: optical duobinary vs. NRZ transmission","authors":"G. Bosco, A. Carena, V. Curri, P. Poggiolini","doi":"10.1109/LEOS.2002.1159430","DOIUrl":"https://doi.org/10.1109/LEOS.2002.1159430","url":null,"abstract":"The optical duobinary data-coding is a promising technology for the implementation of ultra-dense WDM (UDWDM) systems with spectral efficiency close to the Nyquist limit. In recent experiments at 40 Gbit/s the efficiency of 0.8 bit/s/Hz has been demonstrated. Working at a bit rate as high as 40 Gbit/s the PMD could strongly impair system performance. The purpose of this work is to compare the impact of PMD on optical duobinary with respect to its impact on NRZ in a OC-768 FEC-inclusive scenario requiring an actual line-rate of 42.65 Gbit/s. We demonstrated that the impairment of PMD is larger on duobinary than on NRZ systems. However, due to its better intrinsic performance, the use of duobinary may still produce convenient results in some scenarios, like the ones analyzed.","PeriodicalId":423869,"journal":{"name":"The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128201939","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
Broadband radio-frequency spectrum analyzer based on spectral hole burning 基于谱孔燃烧的宽带射频频谱分析仪
The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society Pub Date : 2002-11-10 DOI: 10.1109/LEOS.2002.1159585
V. Lavielle, L. Ménager, I. Lorgeré, J. Le Gouet, S. Tonda, D. Dolfi, J. Huignard
{"title":"Broadband radio-frequency spectrum analyzer based on spectral hole burning","authors":"V. Lavielle, L. Ménager, I. Lorgeré, J. Le Gouet, S. Tonda, D. Dolfi, J. Huignard","doi":"10.1109/LEOS.2002.1159585","DOIUrl":"https://doi.org/10.1109/LEOS.2002.1159585","url":null,"abstract":"Application of spectral hole burning to the spectral analysis of broadband radio frequency signals is demonstrated. The device operates on an optically carried RF signal and achieves the angular separation of the signal spectral components.","PeriodicalId":423869,"journal":{"name":"The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129772939","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
High power single lateral mode buried ridge laser with frustrated total internal reflection for spatial filtering 用于空间滤波的全内反射抑制的高功率单侧模埋脊激光器
The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society Pub Date : 2002-11-10 DOI: 10.1109/LEOS.2002.1133931
R. Swint, T. Yeoh, V. Elarde, M. Zediker, J. Coleman
{"title":"High power single lateral mode buried ridge laser with frustrated total internal reflection for spatial filtering","authors":"R. Swint, T. Yeoh, V. Elarde, M. Zediker, J. Coleman","doi":"10.1109/LEOS.2002.1133931","DOIUrl":"https://doi.org/10.1109/LEOS.2002.1133931","url":null,"abstract":"We demonstrate a spatial filter design that completely eliminates beam steering and oscillation of high order lateral modes in narrow stripe InGaAs single QW diode lasers.","PeriodicalId":423869,"journal":{"name":"The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129784040","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
Wavelet transformations for ultrashort pulse characterization 小波变换用于超短脉冲表征
The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society Pub Date : 2002-11-10 DOI: 10.1109/LEOS.2002.1159446
M. Mazilu, A. Miller
{"title":"Wavelet transformations for ultrashort pulse characterization","authors":"M. Mazilu, A. Miller","doi":"10.1109/LEOS.2002.1159446","DOIUrl":"https://doi.org/10.1109/LEOS.2002.1159446","url":null,"abstract":"Wavelet transformations retain all of the pertinent Fourier transformation properties of ultrashort pulses while representing the time-frequency domain. Use of a particular transformation in an interferrometric device is demonstrated.","PeriodicalId":423869,"journal":{"name":"The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127025077","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
XUV-attosecond pulses: generation and measurement xuv -阿秒脉冲:产生与测量
The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society Pub Date : 2002-11-10 DOI: 10.1109/LEOS.2002.1159541
R. Kienberger, M. Hentschel, G. Reider, M. Drescher, C. Spielmann, F. Krausz
{"title":"XUV-attosecond pulses: generation and measurement","authors":"R. Kienberger, M. Hentschel, G. Reider, M. Drescher, C. Spielmann, F. Krausz","doi":"10.1109/LEOS.2002.1159541","DOIUrl":"https://doi.org/10.1109/LEOS.2002.1159541","url":null,"abstract":"Tunnel emission by and subsequent acceleration of electrons from rare gas atoms in high laser fields has emerged as a powerful process to generate extremely short bursts of electromagnetic radiation in the XUV spectral range. With proper choice of parameters (most importantly, laser driver pulses of only few cycles duration), single XUV-pulses of several 100 attosecond duration can be produced.","PeriodicalId":423869,"journal":{"name":"The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130122566","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: 4
Secure display system by use of encrypted digital holograms 使用加密数字全息图的安全显示系统
The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society Pub Date : 2002-11-10 DOI: 10.1109/LEOS.2002.1133905
O. Matoba, T. Shimura, K. Kuroda, B. Javidi
{"title":"Secure display system by use of encrypted digital holograms","authors":"O. Matoba, T. Shimura, K. Kuroda, B. Javidi","doi":"10.1109/LEOS.2002.1133905","DOIUrl":"https://doi.org/10.1109/LEOS.2002.1133905","url":null,"abstract":"Summary form only given. In this paper, a secure display system by use of encrypted digital holograms is presented. The original image is encrypted by random phase masks and then recorded as a digital hologram. The encrypted digital hologram is decrypted in a joint transform correlator architecture by using a key digital hologram. The encrypted digital holograms can be transmitted to remote users by communication channels, therefore the proposed system can be used for secure two-dimensional or three-dimensional display systems.","PeriodicalId":423869,"journal":{"name":"The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126943276","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
Suppression of supermode competitions in SOA fiber mode-locked ring laser SOA光纤锁模环激光器中超模竞争的抑制
The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society Pub Date : 2002-11-10 DOI: 10.1109/LEOS.2002.1159336
Can Peng, M. Yao, Qianfan Xu, Hongming Zhang
{"title":"Suppression of supermode competitions in SOA fiber mode-locked ring laser","authors":"Can Peng, M. Yao, Qianfan Xu, Hongming Zhang","doi":"10.1109/LEOS.2002.1159336","DOIUrl":"https://doi.org/10.1109/LEOS.2002.1159336","url":null,"abstract":"Summary form only given. An actively harmonic mode-locked fiber ring laser works at the modulation frequency which is an integral multiple of the fundamental cavity mode frequency spacing. As for harmonic mode-locking of erbium doped fiber lasers, relaxation oscillation and beating between supermodes are the main noise sources introduced by amplitude fluctuation and time jitter. However, a 10 GHz actively mode-locked fiber ring laser with semiconductor optical amplifier (SOA) as gain medium shows good amplitude stability compared with EDFA without active cavity length stabilization, where no relaxation oscillation was observed. In this paper, we analyse the beating between supermodes in a mode-locked fiber ring laser and present supermode competition suppression due to gain saturation in SOA and shorter recovery time compared with EDFA.","PeriodicalId":423869,"journal":{"name":"The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131934281","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: 6
Optical down-sampling of an X-band 1-GHz-bandwidth nonlinear chirp signal x波段1 ghz带宽非线性啁啾信号的光下采样
The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society Pub Date : 2002-11-10 DOI: 10.1109/LEOS.2002.1159553
P. Juodawlkis, J. J. Hargreaves, R. Younger, G.W. Titi, J. Twichell
{"title":"Optical down-sampling of an X-band 1-GHz-bandwidth nonlinear chirp signal","authors":"P. Juodawlkis, J. J. Hargreaves, R. Younger, G.W. Titi, J. Twichell","doi":"10.1109/LEOS.2002.1159553","DOIUrl":"https://doi.org/10.1109/LEOS.2002.1159553","url":null,"abstract":"We have demonstrated a new technique to characterize wideband nonlinear waveforms at microwave carrier frequencies. The analog sampling bandwidth can be increased with wider bandwidth sampling modulators and shorter optical pulses. The instantaneous Nyquist bandwidth can be extended using time-interleaving techniques.","PeriodicalId":423869,"journal":{"name":"The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131937672","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
Design of a multi-technology FPGA with a programmable threshold photoreceiver 具有可编程阈值光接收器的多技术FPGA设计
The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society Pub Date : 2002-11-10 DOI: 10.1109/LEOS.2002.1159512
P. Mal, J. F. Cantin, F. Beyette
{"title":"Design of a multi-technology FPGA with a programmable threshold photoreceiver","authors":"P. Mal, J. F. Cantin, F. Beyette","doi":"10.1109/LEOS.2002.1159512","DOIUrl":"https://doi.org/10.1109/LEOS.2002.1159512","url":null,"abstract":"We present an innovative architecture for a multi-technology FPGA. This new FPGA architecture will enable the design of reconfigurable systems outside of the traditional electronic domain. A threshold programmable photoreceiver is presented as an illustrative example.","PeriodicalId":423869,"journal":{"name":"The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131974664","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
Laser therapy: an overview 激光治疗:综述
The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society Pub Date : 2002-11-10 DOI: 10.1109/LEOS.2002.1133995
M. Dyson
{"title":"Laser therapy: an overview","authors":"M. Dyson","doi":"10.1109/LEOS.2002.1133995","DOIUrl":"https://doi.org/10.1109/LEOS.2002.1133995","url":null,"abstract":"This tutorial lecture will cover: /spl middot/ The medical uses of laser therapy /spl middot/ The clinical role of laser therapy in the stimulation of tissue repair and regeneration, using wound healing as an example /spl middot/ The stages involved in these processes, concentrating on the cellular changes which result in healing /spl middot/ The effects of laser therapy on cells necessary for successful healing /spl middot/ The cellular mechanisms producing these effects. Laser therapy can involve the use of either high or low power lasers. High power lasers produce clinically significant thermal changes in biological tissue; in contrast, the action of low power lasers is predominantly nonthermal.","PeriodicalId":423869,"journal":{"name":"The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130220574","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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