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Optical Amplifiers and Their Applications最新文献

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GaAlAs/GaAs Vertical Cavity Surface Emitting Active Filter GaAs /GaAs垂直腔面发射有源滤波器
Optical Amplifiers and Their Applications Pub Date : 1992-05-22 DOI: 10.1364/oaa.1991.fc2
F. Koyama, S. Kubota, K. Iga
{"title":"GaAlAs/GaAs Vertical Cavity Surface Emitting Active Filter","authors":"F. Koyama, S. Kubota, K. Iga","doi":"10.1364/oaa.1991.fc2","DOIUrl":"https://doi.org/10.1364/oaa.1991.fc2","url":null,"abstract":"Semiconductor laser amplifiers are of interest for direct light amplification as well as functional operation such as wavelength filtering and so on. An optical filter with narrow bandwidth and wavelength tuning is one of key devices for dense wavelength division multiplexing (WDM) trunk lines and networks. So far, laser diode active filters using Fabry-Perot cavity or DFB/DBR laser structures have been studied [1] – [4] . There are remaining problems in these devices, such as large polarization sensitivity due to those rectangular waveguide structure and difficult coupling to optical fibers.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114486579","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
Nonlinear Effects in Semiconductor Optical Amplifiers 半导体光放大器中的非线性效应
Optical Amplifiers and Their Applications Pub Date : 1992-05-22 DOI: 10.1364/oaa.1991.thc1
T. Mukai, T. Saitoh
{"title":"Nonlinear Effects in Semiconductor Optical Amplifiers","authors":"T. Mukai, T. Saitoh","doi":"10.1364/oaa.1991.thc1","DOIUrl":"https://doi.org/10.1364/oaa.1991.thc1","url":null,"abstract":"A traveling-wave semiconductor laser amplifier (TWA) [1]-[4] can greatly simplify optical repeaters used in wavelength-division-multiplexed (WDM) systems, since its wide gain band width allows a single TWA to simultaneously amplify signals of different wavelengths. Even though such system performance in the linear gain regime is determined only by amplifier noise properties [5],[6], the onset of nonlinear effects in optical amplifiers result in crosstalk [7].","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127367576","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: 8
Low-Loss, Packaged, 2 x 2 Semiconductor Optical Amplifier Switch 低损耗，封装，2 × 2半导体光放大器开关
Optical Amplifiers and Their Applications Pub Date : 1992-05-22 DOI: 10.1364/oaa.1991.fc4
E. Eichen, R. Boudreau, R. Morrison, C. Frost, B. Foley
{"title":"Low-Loss, Packaged, 2 x 2 Semiconductor Optical Amplifier Switch","authors":"E. Eichen, R. Boudreau, R. Morrison, C. Frost, B. Foley","doi":"10.1364/oaa.1991.fc4","DOIUrl":"https://doi.org/10.1364/oaa.1991.fc4","url":null,"abstract":"Optical switching components based on semiconductor optical amplifiers have been investigated by a number of authors [1-3]. The combination of gain when the amplifier is pumped, and absorption when the amplifier is unpumped, provides the potential for low or zero insertion loss switches with large contrast ratios. In addition, simple switches based on traveling wave optical amplifiers are strictly nonblocking, have wide (~25-50 nm) optical bandwidths, and can be polarization insensitive. In this paper we discuss the performance and novel packaging of a 2x2 semiconductor optical amplifier switch which utilizes an imaging approach for fiber coupling. This switch had an average insertion loss of 4 dB, an optical isolation greater than 40 dB, and a 10-90% rise/fall time of approximately 0.5 ns. Moreover, the use of an imaging approach to fiber attachment may provide a solution for packaging other integrated photonic structures and switching components with multiple input/output waveguides that are too closely spaced to permit direct fiber pigtailing.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130672512","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
Automatic Gain Control of Erbium-Doped Fiber Amplifier by Detecting Spontaneous Emission Power along the Fiber 基于光纤自发发射功率检测的掺铒光纤放大器增益自动控制
Optical Amplifiers and Their Applications Pub Date : 1992-05-22 DOI: 10.1364/oaa.1991.fe3
K. Aida, H. Masuda
{"title":"Automatic Gain Control of Erbium-Doped Fiber Amplifier by Detecting Spontaneous Emission Power along the Fiber","authors":"K. Aida, H. Masuda","doi":"10.1364/oaa.1991.fe3","DOIUrl":"https://doi.org/10.1364/oaa.1991.fe3","url":null,"abstract":"EDFA gain control is achieved by detecting the spontaneous emission power radiated along the EDF and modulating the pump LDs with optoelectronic feedback.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121743682","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
Progress in Erbium Doped Fiber Amplifiers 掺铒光纤放大器研究进展
Optical Amplifiers and Their Applications Pub Date : 1992-05-22 DOI: 10.1364/oaa.1991.wb1
J. Simpson, D. DiGiovanni
{"title":"Progress in Erbium Doped Fiber Amplifiers","authors":"J. Simpson, D. DiGiovanni","doi":"10.1364/oaa.1991.wb1","DOIUrl":"https://doi.org/10.1364/oaa.1991.wb1","url":null,"abstract":"Erbium fiber amplifiers are entering a fourth year of development with six commercial offerings now available, the result of rapid improvements in pump lasers, wavelength division multplexers, isolators and doped fiber designs. A number of challenges remain however to improve the performance and ensure reliability in field applications.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129716402","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 980 nm Ridge Waveguide Laser in Single Mode Fiber Coupled Package 单模光纤耦合封装高功率980nm脊波导激光器
Optical Amplifiers and Their Applications Pub Date : 1992-05-22 DOI: 10.1364/oaa.1991.wc5
R. Murison, Shuyen R. Lee, N. Holehouse, A. Righetti, G. Grasso
{"title":"High Power 980 nm Ridge Waveguide Laser in Single Mode Fiber Coupled Package","authors":"R. Murison, Shuyen R. Lee, N. Holehouse, A. Righetti, G. Grasso","doi":"10.1364/oaa.1991.wc5","DOIUrl":"https://doi.org/10.1364/oaa.1991.wc5","url":null,"abstract":"Rapid progress in strained quantum well InGaAs/AlGaAs laser diodes has led to the wide acceptance of 980 nm diodes as potential pump sources for Er3+-doped fiber amplifiers (EDFA). In particular, ridge waveguides have proven to be ideal structures for such devices[1,2], promising ease of manufacture, and potentially high reliability[3]. In this paper, we report high coupled power from ridge waveguide lasers into large NA single-mode fiber designed for use in EDFA systems, using an industry-standard 14-pin DIL package outline. We also report systems performance obtained using these lasers as the pump source in a broad-band EDFA power amplifier.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116789705","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
Optimized Nonregenerative Repeater Using Cascaded Erbium-Doped and Raman Fiber Amplifier 级联掺铒拉曼光纤放大器优化非再生中继器
Optical Amplifiers and Their Applications Pub Date : 1992-05-22 DOI: 10.1364/oaa.1991.fe4
S. L. Zhang, J. O'Reilly
{"title":"Optimized Nonregenerative Repeater Using Cascaded Erbium-Doped and Raman Fiber Amplifier","authors":"S. L. Zhang, J. O'Reilly","doi":"10.1364/oaa.1991.fe4","DOIUrl":"https://doi.org/10.1364/oaa.1991.fe4","url":null,"abstract":"Fiber-based optical amplifiers such as the erbium-doped fiber amplifier (EDFA) and Raman fiber amplifier (RFA) offer the attraction of high gain, low coupling loss and polarization insensitivity. Hence their use in combination to form a nonregenerative repeater (NRR) deserves consideration. This paper provides a theoretical analysis and gain optimization for this form of NRR. This arrangement is found to provide higher gain than either an EDFA or a RFA repeater alone and offer the potential of extending the NRR span to over 300 km.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124149759","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
Accurate modeling of distributed Erbium-doped Fiber Amplifiers with bidirectional pump 双向泵浦分布式掺铒光纤放大器的精确建模
Optical Amplifiers and Their Applications Pub Date : 1992-05-22 DOI: 10.1364/oaa.1991.thd3
E. Desurvire, D. Chen
{"title":"Accurate modeling of distributed Erbium-doped Fiber Amplifiers with bidirectional pump","authors":"E. Desurvire, D. Chen","doi":"10.1364/oaa.1991.thd3","DOIUrl":"https://doi.org/10.1364/oaa.1991.thd3","url":null,"abstract":"In this paper, we present an analysis of unsaturated erbium-doped fiber amplifiers (EDFA) with fiber back-ground loss and bidirectional pumping. This analysis provides an exact closed-form expression for the amplifier gain as a function of input pump power. This model is useful to study distributed EDFA's [1,2] and to determine the optimal Er3+ concentration and pumping configuration that minimizes the required pump power, as shown in this paper. In the case of forward pumping, it is also shown that a simple relation exists between the input pump power required for EDFA transparency and pump threshold, which can be usefully applied to EDFA characterization.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131607504","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
Towards Network Transparency with Photonic Amplifiers 利用光子放大器实现网络透明
Optical Amplifiers and Their Applications Pub Date : 1992-05-22 DOI: 10.1364/oaa.1991.wa1
P. Cochrane, C. Todd
{"title":"Towards Network Transparency with Photonic Amplifiers","authors":"P. Cochrane, C. Todd","doi":"10.1364/oaa.1991.wa1","DOIUrl":"https://doi.org/10.1364/oaa.1991.wa1","url":null,"abstract":"Over the past 15 years optical fibre transmission systems have largely replaced their copper forebears on a point to point basis. The approach has been, quite simply, to overlay one-on-one the copper and radio systems by an optical fibre network with improved repeater spacing, smaller physical size, increased capacity and lower cost being the key benefits gained so far. With the advent of the optical amplifier and the possibility of access to the total fibre bandwidth, insensitivity to 'lossy' components and the eradication of much of the electronics necessary in transmission, there now exists an opportunity for radically new forms of network. The key feature that an optical amplifier has to offer is transparency. The ability to convey a number of wavelengths that can act as independently-modulated orthogonal carriers for a diverse mix of traffic in both digital and analogue forms offers a revolutionary step in the evolution of telecommunication networks.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"183 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115069782","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
Evaluation of Theoretical Limits of Cascaded EDFA Transmission Systems 级联EDFA传输系统的理论极限评估
Optical Amplifiers and Their Applications Pub Date : 1992-05-22 DOI: 10.1364/oaa.1991.tha3
O. Audouin, L. Prigent, J. Blondel, J. Hamaide, J. Gabriagues
{"title":"Evaluation of Theoretical Limits of Cascaded EDFA Transmission Systems","authors":"O. Audouin, L. Prigent, J. Blondel, J. Hamaide, J. Gabriagues","doi":"10.1364/oaa.1991.tha3","DOIUrl":"https://doi.org/10.1364/oaa.1991.tha3","url":null,"abstract":"In the future optical transmission systems, it is likely that Erbium doped fiber optical amplifiers will replace present electrical regenerators. Both experimental studies (1, 2) and computer simulations (3-5) have investigated the feasability of non-regenerated optical long haul systems. A considerable number of parameters are determining the overall performances of the transmission link. In this paper, we report on theoritical studies carried out using numerical simulations in order to investigate the limits of such systems. We have considered both cases of 5 Gbit/s and 10 Gbit/s transmission. The theoretical limit value of the amplifier spacing, as imposed by group velocity dispersion (GVD), self phase modulation (SPM) and accumulated amplified spontaneous emission (ASE) has been evaluated.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134067519","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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