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Optical Amplifiers and Their Applications最新文献

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The Evolution of Electromagnetic Amplifiers Over Time, Frequency, and Application 电磁放大器随时间、频率和应用的演变
Optical Amplifiers and Their Applications Pub Date : 1900-01-01 DOI: 10.1364/oaa.1990.ma1
I. Jacobs
{"title":"The Evolution of Electromagnetic Amplifiers Over Time, Frequency, and Application","authors":"I. Jacobs","doi":"10.1364/oaa.1990.ma1","DOIUrl":"https://doi.org/10.1364/oaa.1990.ma1","url":null,"abstract":"Nineteenth (twentieth) century electrical (optical) communications were\u0000 generally constrained to the mechanical (electronic) control of\u0000 electricity (lighwaves). Parallels in the evolution of electronic and\u0000 optical amplifiers are discussed.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"389 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121779291","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
0.98-μm Laser Diode Pumped Erbium-Doped Fiber Amplifiers with a Gain Coefficient of 7.6 dB/mW 增益系数为7.6 dB/mW的0.98 μm激光二极管泵浦掺铒光纤放大器
Optical Amplifiers and Their Applications Pub Date : 1900-01-01 DOI: 10.1364/oaa.1990.mb2
M. Shimizu, M. Yamada, T. Takeshita, M. Horiguchi
{"title":"0.98-μm Laser Diode Pumped Erbium-Doped Fiber Amplifiers with a Gain Coefficient of 7.6 dB/mW","authors":"M. Shimizu, M. Yamada, T. Takeshita, M. Horiguchi","doi":"10.1364/oaa.1990.mb2","DOIUrl":"https://doi.org/10.1364/oaa.1990.mb2","url":null,"abstract":"Laser diode pumped erbium-doped fiber amplifiers (EDFA) have high potential for optical pre- and booster-amplifiers in 1.5μm optical communication systems(1)(2). To date, three kinds of LD, with wavelengths of 0.81μm, 0.98μm, and 1.48 μm, have been studied as pumping light sources. From among these, the 0.98 μm LD pumped EDFA demonstrated the highest gain coefficient and the lowest noise characteristics(3)(4). We reported that a highly efficient EDFA with a gain coefficient of 4.9 dB/mW could be fabricated by taking account of the erbium concentration effect(5)(6)","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"341 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123417248","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
Erbium-Doped Fiber Amplifiers for Optical Fiber Communications 光纤通信用掺铒光纤放大器
Optical Amplifiers and Their Applications Pub Date : 1900-01-01 DOI: 10.1364/oaa.1990.mb1
E. Desurvire
{"title":"Erbium-Doped Fiber Amplifiers for Optical Fiber Communications","authors":"E. Desurvire","doi":"10.1364/oaa.1990.mb1","DOIUrl":"https://doi.org/10.1364/oaa.1990.mb1","url":null,"abstract":"The field of erbium-doped fiber amplifiers (EDFA) [1-4] has expanded rapidly, from the developments in rare-earth-doped fiber fabrication [5-8], to the more recent demonstration of practical laser-diode pumped devices [9-11]. Because of their many advantages, it is likely that EDFA’s will contribute to significant progress in future 1.5μm optical fiber communication systems [12]. The interest of using optical amplifiers, as an alternative to electronic repeaters, is that they make it possible to upgrade the information-carrying capacity of a system by simply increasing the data rate and/or the number of optical channels.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122886803","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
Very-Low Threshold Loop-Mirror Switch Incorporating an EDFA 结合EDFA的极低阈值环镜开关
Optical Amplifiers and Their Applications Pub Date : 1900-01-01 DOI: 10.1364/oaa.1990.pdp3
D. Richardson, R. Laming, D. Payne
{"title":"Very-Low Threshold Loop-Mirror Switch Incorporating an EDFA","authors":"D. Richardson, R. Laming, D. Payne","doi":"10.1364/oaa.1990.pdp3","DOIUrl":"https://doi.org/10.1364/oaa.1990.pdp3","url":null,"abstract":"All-optical switching devices based on ultra-fast optical non-linearities are of considerable interest for use in high-speed optical signal processing and telecommunications systems. Several switching schemes utilising χ(3) in optical fibres1-4 have been reported, but, although fast, they have large switching thresholds (100 -1000W) and suffer from environmental instability. Recent work5-7 has concentrated on the fibre Non Linear Optical Loop Mirror (NOLM) (or non-linear Sagnac interferometer), since the configuration is inherently a balanced interferometer and therefore environmentally stable. Consequently, longer fibre lengths can be used and the switching threshold reduced to 10-100W, a figure which is unfortunately still too high for practical application.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126038122","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
Simultaneous Distribution of AM/FM FDM TV Signals to 65,536 Subscribers Using 4 Stage Cascade EDFAs 使用4级级联edfa同时分配AM/FM FDM电视信号给65,536个用户
Optical Amplifiers and Their Applications Pub Date : 1900-01-01 DOI: 10.1364/oaa.1990.wb1
K. Kikushima, E. Yoneda, K. Suto, H. Yoshinaga
{"title":"Simultaneous Distribution of AM/FM FDM TV Signals to 65,536 Subscribers Using 4 Stage Cascade EDFAs","authors":"K. Kikushima, E. Yoneda, K. Suto, H. Yoshinaga","doi":"10.1364/oaa.1990.wb1","DOIUrl":"https://doi.org/10.1364/oaa.1990.wb1","url":null,"abstract":"The advantages of erbium-doped fiber amplifiers (EDFAs) have been well reported [1]-[4]. One existing application is in a cascade configuration for TV signal distribution [4]. This paper is an extension of our previous paper and reports the first distribution of multiplexed AM/FM TV signals. The new technique is ideal to support and extend traditional CATV services and area while ensuring support for future CATV services such as FM-NTSC-TV and HDTV signals as shown in Fig. 1.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"426 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128861890","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 Performance Erbium-Doped Fiber Amplifier Pumped at 1.48 μm and 0.97 μm 1.48 μm和0.97 μm泵浦的高性能掺铒光纤放大器
Optical Amplifiers and Their Applications Pub Date : 1900-01-01 DOI: 10.1364/oaa.1990.pdp6
J. Zyskind, D. DiGiovanni, J. Sulhoff, P. Becker, C. B. Brito Cruz
{"title":"High Performance Erbium-Doped Fiber Amplifier Pumped at 1.48 μm and 0.97 μm","authors":"J. Zyskind, D. DiGiovanni, J. Sulhoff, P. Becker, C. B. Brito Cruz","doi":"10.1364/oaa.1990.pdp6","DOIUrl":"https://doi.org/10.1364/oaa.1990.pdp6","url":null,"abstract":"With the growing importance of erbium-doped fiber amplifiers for telecommunications applications, considerable effort has been devoted to minimizing the pump power requirements for producing high gain. The best reported results are for λp = 0.98 μm wavelength pumping1,2 with gain coefficient up to 4.9 dB/mW, and for λp = 1.48 μm pumping,3,4 with a lower maximum gain coefficient of 2.6 dB/mW. We report here a low threshold erbium-doped fiber amplifier which, when pumped at 1.48 μm, has a gain coefficient is 5.9 dB/mW, and, when pumped at 0.972 μm, an almost equal gain coefficient of 6.1 dB/mW.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128926310","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: 5
1.48μm and 0.98μm High-Power Laser Diodes for Erbium-Doped Fiber Amplifiers 用于掺铒光纤放大器的1.48μm和0.98μm大功率激光二极管
Optical Amplifiers and Their Applications Pub Date : 1900-01-01 DOI: 10.1364/oaa.1991.wc1
I. Mito, K. Endo
{"title":"1.48μm and 0.98μm High-Power Laser Diodes for Erbium-Doped Fiber Amplifiers","authors":"I. Mito, K. Endo","doi":"10.1364/oaa.1991.wc1","DOIUrl":"https://doi.org/10.1364/oaa.1991.wc1","url":null,"abstract":"The development of erbium-doped fiber amplifiers has recently progressed rapidly. Highly efficient power conversion for 1.48μm wavelength pumping enables a post-amplifier to achieve output power greater than 100mW1). When pumped in 0.98μm wavelength, the erbium-doped fiber amplifiers showed very low noise property2), which permits high receiver sensitivity as a pre-amplifier.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121652419","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
Nd3+-doped Fluoride Fiber Amplifier Module With 10 dB Gain and High Pump Efficiency 具有10db增益和高泵浦效率的掺Nd3+氟化物光纤放大器模块
Optical Amplifiers and Their Applications Pub Date : 1900-01-01 DOI: 10.1364/oaa.1991.wb3
Y. Miyajima, T. Sugawa, T. Komukai
{"title":"Nd3+-doped Fluoride Fiber Amplifier Module With 10 dB Gain and High Pump Efficiency","authors":"Y. Miyajima, T. Sugawa, T. Komukai","doi":"10.1364/oaa.1991.wb3","DOIUrl":"https://doi.org/10.1364/oaa.1991.wb3","url":null,"abstract":"Recently, Nd3+-doped fluoride fiber has attracted much interest, because it has the potential for optical amplification around the 1.3 μm communication band[1]. In terms of the effect of ESA(excited state absorption) and the probability of radiative transition, fluoride fiber is preferable to silica fiber as a host glass[2], However, some problems must be solved for the development of a practical amplifier. First, gain has not been sufficiently large for a practical pump power to be obtained from diode lasers. Second, gain has been obtained in wavelengths longer than 1.31 μm.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126834321","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
Fluorescence and Amplification Characteristics of Er3+ doped Fluoride Fibers Er3+掺氟光纤的荧光和放大特性
Optical Amplifiers and Their Applications Pub Date : 1900-01-01 DOI: 10.1364/oaa.1990.tud4
Y. Chigusa, K. Nakazato, S. Hirai, M. Watanabe, S. Suzuki
{"title":"Fluorescence and Amplification Characteristics of Er3+ doped Fluoride Fibers","authors":"Y. Chigusa, K. Nakazato, S. Hirai, M. Watanabe, S. Suzuki","doi":"10.1364/oaa.1990.tud4","DOIUrl":"https://doi.org/10.1364/oaa.1990.tud4","url":null,"abstract":"Rare-earth doped silica fibers have been extensively developed as optical amplifiers. Especially, Er3+ doped silica fibers have been expected of those at 1.55 μm band[1] [2] and increasing effort has been made to improve the gain and gain-bandwidth of amplification. And the fluoro-zirocnate multi-mode fiber has been also investigated for optical amplification.[3] But, there is no report of Er doped fluoro-zirconate sinle-mode fiber for 1.55μm amplification. In this time, we fabricated Er3+ doped fluoro-zirconate fibers and evaluated these fluorescence spectrum and life-time and amplification properties comparing with Er3+ doped silica fiber.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120954000","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
Determination of the gain and saturation characteristics of a semiconductor laser amplifier using a ringlaser configuration 使用环形激光结构的半导体激光放大器的增益和饱和特性的测定
Optical Amplifiers and Their Applications Pub Date : 1900-01-01 DOI: 10.1364/oaa.1990.mc4
L. Tiemeijer, P. Thijs, T. Dongen, J. Binsma
{"title":"Determination of the gain and saturation characteristics of a semiconductor laser amplifier using a ringlaser configuration","authors":"L. Tiemeijer, P. Thijs, T. Dongen, J. Binsma","doi":"10.1364/oaa.1990.mc4","DOIUrl":"https://doi.org/10.1364/oaa.1990.mc4","url":null,"abstract":"Determination of the gain of a semiconductor laser amplifier using a tunable laser source or a set of fixed wavelength lasers is a rather time consuming exercise. The reason is that the position of the gain peak and the positions of the local maxima and minima belonging to the residual Fabry-Perot ripple are not known in advance and moreover shift with increasing drive current. Therefore determination of the peak gain at various currents levels, which is desirable to select promising devices worthy of further study or to provide feedback in a fabrication process, involves measuring the gain at various different wavelengths to ensure that the measured value corresponds to a (local) maximum. We present an alternative method of gain determination using the laser amplifier in a ringlaser configuration (fig. 1). This method is very fast and does not require a tunable signal source.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129070954","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
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