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Journal of Optical Networking最新文献

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Combined study on survivability and performance in optical packet switched networks 光分组交换网络中生存性与性能的综合研究
Journal of Optical Networking Pub Date : 2008-04-01 DOI: 10.1364/JON.7.000294
H. Øverby
{"title":"Combined study on survivability and performance in optical packet switched networks","authors":"H. Øverby","doi":"10.1364/JON.7.000294","DOIUrl":"https://doi.org/10.1364/JON.7.000294","url":null,"abstract":"Survivability and performance constitute crucial quality of service (QoS) issues in future optical packet switched (OPS) networks. I take an integrated view on survivability and performance in OPS networks by presenting the extended shared packet redundancy scheme (ESPRS). The ESPRS combines shared packet redundancy with 1+1 path protection functionality. I focus on the performance of the ESPRS in different failure situations and show how the packet loss rate is influenced by the number of node- and link-disjoint paths between a node pair, the loss probability on the paths, number of failures, the relative amount of redundancy, and the size of the packet set. An analytical model of the ESPRS is provided.","PeriodicalId":49154,"journal":{"name":"Journal of Optical Networking","volume":"7 1","pages":"294-309"},"PeriodicalIF":0.0,"publicationDate":"2008-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1364/JON.7.000294","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66588395","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
Topology-focused availability analysis of basic protection schemes in optical transport networks 基于拓扑的光传输网络基本保护方案可用性分析
Journal of Optical Networking Pub Date : 2008-04-01 DOI: 10.1364/JON.7.000351
J. Segovia, E. Calle, P. Vilà, J. Marzo, János Tapolcai
{"title":"Topology-focused availability analysis of basic protection schemes in optical transport networks","authors":"J. Segovia, E. Calle, P. Vilà, J. Marzo, János Tapolcai","doi":"10.1364/JON.7.000351","DOIUrl":"https://doi.org/10.1364/JON.7.000351","url":null,"abstract":"We present a novel study of the availability in optical networks based on network topology. Connection availability is studied under two basic path protection schemes. Different topologies are selected in order to have heterogeneity in geographic coverage, network diameter, link lengths, and average node degree. Connection availability is also computed considering the reliability data of physical components and a well-known network availability model. Results report some useful information to select the suitable protection algorithms according to the network topology features and the required levels of availability.","PeriodicalId":49154,"journal":{"name":"Journal of Optical Networking","volume":"7 1","pages":"351-364"},"PeriodicalIF":0.0,"publicationDate":"2008-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1364/JON.7.000351","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66588169","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: 21
System impairment of birefringence in fiber Bragg gratings in optical networks 光网络中光纤Bragg光栅双折射的系统损伤
Journal of Optical Networking Pub Date : 2008-04-01 DOI: 10.1364/JON.7.000277
P. Lu, S. Mihailov
{"title":"System impairment of birefringence in fiber Bragg gratings in optical networks","authors":"P. Lu, S. Mihailov","doi":"10.1364/JON.7.000277","DOIUrl":"https://doi.org/10.1364/JON.7.000277","url":null,"abstract":"Considering the presence of birefringence in fiber Bragg gratings (FBGs), the spectral polarization mode dispersion and polarization-dependent-loss-induced power penalty of eye opening is simulated for a network consisting of cascaded FBGs with various index apodization profiles. It is shown that with the same FBG length, 3dB bandwidth, and the birefringence value, FBGs with Gaussian index apodization profiles introduce the highest power penalty compared to FBGs with other apodization profiles, such as raised cosine, Blackman, etc. When there is wavelength misalignment up to 0.1nm between the central FBG's resonance and the wavelength of the laser source, the birefringence-induced power penalty can be up to a few times higher than the case with no wavelength misalignment.","PeriodicalId":49154,"journal":{"name":"Journal of Optical Networking","volume":"7 1","pages":"277-287"},"PeriodicalIF":0.0,"publicationDate":"2008-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1364/JON.7.000277","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66588340","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
Experimental investigation of optically gain-clamped EDFAs in dynamic optical-burst-switched networks: publisher's note 动态光突发交换网络中光学增益箝位edfa的实验研究:出版者注释
Journal of Optical Networking Pub Date : 2008-03-01 DOI: 10.1364/JON.7.000197
B. Puttnam, B. Thomsen, A. López, P. Bayvel
{"title":"Experimental investigation of optically gain-clamped EDFAs in dynamic optical-burst-switched networks: publisher's note","authors":"B. Puttnam, B. Thomsen, A. López, P. Bayvel","doi":"10.1364/JON.7.000197","DOIUrl":"https://doi.org/10.1364/JON.7.000197","url":null,"abstract":"In [J. Opt. Netw.7, 151 (2008)] the wrong version of Fig. 4 was published and the image appeared identical to that of Fig. 7. The figure has been corrected online as of January 22, 2008.","PeriodicalId":49154,"journal":{"name":"Journal of Optical Networking","volume":"7 1","pages":"197-197"},"PeriodicalIF":0.0,"publicationDate":"2008-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1364/JON.7.000197","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66587638","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
LDPC-coded OFDM in fiber-optics communication systems [Invited] 光纤通信系统中的ldpc编码OFDM[特邀]
Journal of Optical Networking Pub Date : 2008-03-01 DOI: 10.1364/JON.7.000217
I. Djordjevic, B. Vasic
{"title":"LDPC-coded OFDM in fiber-optics communication systems [Invited]","authors":"I. Djordjevic, B. Vasic","doi":"10.1364/JON.7.000217","DOIUrl":"https://doi.org/10.1364/JON.7.000217","url":null,"abstract":"Low-density parity-check (LDPC) coded orthogonal-frequency-division multiplexing (OFDM) is studied as an efficient coded modulation technique suitable for fiber-optics communication systems. We show that in long-haul fiber optics communications LDPC-coded OFDM increases spectral efficiency and requires simple equalization to deal with chromatic dispersion. LDPC-coded OFDM is also a promising polarization-mode dispersion compensation technique. Several power efficient OFDM schemes and LDPC codes suitable for use in LDPC-coded OFDM optical communication systems are discussed.","PeriodicalId":49154,"journal":{"name":"Journal of Optical Networking","volume":"7 1","pages":"217-226"},"PeriodicalIF":0.0,"publicationDate":"2008-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1364/JON.7.000217","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66588261","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: 19
Coherent optical OFDM: has its time come? [Invited] 相干光OFDM:它的时代到来了吗?(邀请)
Journal of Optical Networking Pub Date : 2008-03-01 DOI: 10.1364/JON.7.000234
W. Shieh, X. Yi, Yiran Ma, Qi Yang
{"title":"Coherent optical OFDM: has its time come? [Invited]","authors":"W. Shieh, X. Yi, Yiran Ma, Qi Yang","doi":"10.1364/JON.7.000234","DOIUrl":"https://doi.org/10.1364/JON.7.000234","url":null,"abstract":"There has been growing interest in coherent optical orthogonal frequency-division multiplexing (CO-OFDM). We aim to present the case that the time for CO-OFDM has come, in terms of the demand from today's ever-advancing optical networks and the availability of its underlying technologies. We first lay out the signal processing aspect for CO-OFDM and then show a 2×2 multiple-input-multiple-output (MIMO) OFDM representation for the single-mode fiber optical channel. Through numerical simulation and experimental demonstration, we further present and discuss various MIMO-OFDM systems focusing on their polarization-mode dispersion resilience. Among those systems, the 2×1 MIMO-OFDM configuration incorporating polarization-time coding shows promise for optical access networks and broadcast networks. Finally, another class of the frequency-domain equalization techniques, namely, incoherent or coherent optical single-carrier frequency-domain equalization (CO-SCFDE) is discussed and experimentally demonstrated.","PeriodicalId":49154,"journal":{"name":"Journal of Optical Networking","volume":"7 1","pages":"234-255"},"PeriodicalIF":0.0,"publicationDate":"2008-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1364/JON.7.000234","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66588315","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: 231
Optimization of adaptively modulated optical OFDM modems for multimode fiber-based local area networks [Invited] 多模光纤局域网中自适应调制OFDM调制解调器的优化[应邀]
Journal of Optical Networking Pub Date : 2008-03-01 DOI: 10.1364/JON.7.000198
X. Jin, Jianming Tang, P. Spencer, K. Shore
{"title":"Optimization of adaptively modulated optical OFDM modems for multimode fiber-based local area networks [Invited]","authors":"X. Jin, Jianming Tang, P. Spencer, K. Shore","doi":"10.1364/JON.7.000198","DOIUrl":"https://doi.org/10.1364/JON.7.000198","url":null,"abstract":"Focus Issue on Orthogonal-Frequency-Division Multiplexed Communications Systems and Networks The impact of a wide range of different parameters of various components involved in optical modems using adaptively modulated optical orthogonal-frequency-division multiplexing (AMOOFDM) on the transmission performance of AMOOFDM signals is explored thoroughly, in single-channel, unamplified, multimode-fiber (MMF)-based, intensity modulation and direct detection (IMDD) transmission links. Practically available optimum component parameters are identified, based on which the AMOOFDM modems are optimized. It is shown that the optimized AMOOFDM modems enable a >70% increase in the capacity versus reach performance without compromising link loss margins, in comparison with that achieved without modem optimization. In addition, the validity of the identified optimum parameters and the feasibility of the optimized AMOOFDM modems are also statistically verified for implementation in the vast majority of installed MMF links. Statistical investigations show that the optimized AMOOFDM modems can support >50Gbits/s signal transmission over 300m in 99.5% of already installed MMF links with loss margins of >7dB. Furthermore, it is also confirmed statistically that the optimized AMOOFDM modems have excellent performance flexibility and great robustness to various fiber and/or system implementation-related impairments.","PeriodicalId":49154,"journal":{"name":"Journal of Optical Networking","volume":"7 1","pages":"198-214"},"PeriodicalIF":0.0,"publicationDate":"2008-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1364/JON.7.000198","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66588238","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: 45
Transmission in optically transparent core networks: introduction to the feature issue 光透明核心网中的传输:特性问题介绍
Journal of Optical Networking Pub Date : 2008-03-01 DOI: 10.1364/JON.7.000215
Richard L. Jensen, M. Karásek, D. Kilper, K. Petermann
{"title":"Transmission in optically transparent core networks: introduction to the feature issue","authors":"Richard L. Jensen, M. Karásek, D. Kilper, K. Petermann","doi":"10.1364/JON.7.000215","DOIUrl":"https://doi.org/10.1364/JON.7.000215","url":null,"abstract":"This feature issue examines the latest technologies and theory underpinning transmission in optically transparent core networks, including both metropolitan and long-haul systems.","PeriodicalId":49154,"journal":{"name":"Journal of Optical Networking","volume":"7 1","pages":"215-216"},"PeriodicalIF":0.0,"publicationDate":"2008-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1364/JON.7.000215","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66588256","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
Evolution from TDM-PON to WDM-overlaid PON employing a wavelength-conversion node 从TDM-PON到采用波长转换节点的wdm -覆盖PON的演变
Journal of Optical Networking Pub Date : 2008-03-01 DOI: 10.1364/JON.7.000227
Youngil Park, Jae-Myoung Hyun, Byoung-whi Kim
{"title":"Evolution from TDM-PON to WDM-overlaid PON employing a wavelength-conversion node","authors":"Youngil Park, Jae-Myoung Hyun, Byoung-whi Kim","doi":"10.1364/JON.7.000227","DOIUrl":"https://doi.org/10.1364/JON.7.000227","url":null,"abstract":"A cost-effective and smooth evolution scheme from a time-division multiplexing–passive optical network (TDM-PON) to a WDM-overlaid PON that can provide high-speed fiber-to-the-home service to a wide area with a high population density is proposed. Existing optical transmitters of TDM-PON optical network units (ONUs) are reusable by employing a wavelength-conversion node at the ONU site, which transforms the wavelength of each ONU to a predefined WDM wavelength. A specially designed optical router is needed at a remote node site; it should broadcast downstream signals to each ONU, routing upstream ONU signals to a wavelength-conversion node and passing the wavelength-converted signal to an optical line terminal. A simple but efficient remote node structure is proposed. A wavelength conversion node should be designed carefully since it repeats burst-mode signals from multiple ONUs. A 2R repeater-based wavelength conversion node is suggested. Performance of various schemes is analyzed and their measurement results are provided.","PeriodicalId":49154,"journal":{"name":"Journal of Optical Networking","volume":"7 1","pages":"227-233"},"PeriodicalIF":0.0,"publicationDate":"2008-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1364/JON.7.000227","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66588308","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-speed transmission over multimode fiber using discrete multitone modulation 采用离散多音调制的多模光纤高速传输
Journal of Optical Networking Pub Date : 2008-02-01 DOI: 10.1364/JON.7.000183
S. Lee, F. Breyer, S. Randel, van den H.P.A. Boom, A. Koonen
{"title":"High-speed transmission over multimode fiber using discrete multitone modulation","authors":"S. Lee, F. Breyer, S. Randel, van den H.P.A. Boom, A. Koonen","doi":"10.1364/JON.7.000183","DOIUrl":"https://doi.org/10.1364/JON.7.000183","url":null,"abstract":"Focus Issue: Orthogonal-Frequency-Division Multiplexed Communications Systems and Networks \u0000Discrete multitone (DMT) modulation is a subclass of the more general orthogonal-frequency-division multiplexing, where the output of the inverse fast Fourier transform modulator is real instead of complex-valued. Therefore, no in-phase and quadrature modulation onto an RF carrier is required. As a result, broadband, high-frequency, analog RF components are omitted, reducing system complexity and costs. We give an overview of important issues such as synchronization and peak-to-average power that should be considered when DMT is employed in an intensity-modulated direct-detection multimode fiber (MMF) link. Experimental results showing 24Gbits/s transmission over silica MMF and 8Gbits/s transmission over the standard step-index polymer optical fiber (SI-POF) are presented, demonstrating the potential of DMT to enable high-speed transmission over MMF using only low-bandwidth transceivers.","PeriodicalId":49154,"journal":{"name":"Journal of Optical Networking","volume":"7 1","pages":"183-196"},"PeriodicalIF":0.0,"publicationDate":"2008-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1364/JON.7.000183","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66587864","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: 88
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