The Experts below are selected from a list of 4629 Experts worldwide ranked by ideXlab platform
B Palsdottir - One of the best experts on this subject based on the ideXlab platform.
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a c l band gain clamped soa raman Hybrid Amplifier for cwdm access networks
IEEE Photonics Technology Letters, 2008Co-Authors: Han Hyub Lee, P P Iannone, K C Reichmann, Juseung Lee, B PalsdottirAbstract:We demonstrate an 83-nm flat gain-bandwidth gain-clamped semiconductor optical Amplifier-Raman Hybrid Amplifier for coarse wavelength-division-multiplexing (CWDM) access networks. Four channels of 2.488-Gb/s CWDM signals were amplified and the input dynamic range for 1-dB bit-error-rate power penalty exceeds 17.3 dB.
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A $C/L$ -Band Gain-Clamped SOA-Raman Hybrid Amplifier for CWDM Access Networks
IEEE Photonics Technology Letters, 2008Co-Authors: Han Hyub Lee, Patrick P. Iannone, Kenneth C. Reichmann, Juseung Lee, B PalsdottirAbstract:We demonstrate an 83-nm flat gain-bandwidth gain-clamped semiconductor optical Amplifier-Raman Hybrid Amplifier for coarse wavelength-division-multiplexing (CWDM) access networks. Four channels of 2.488-Gb/s CWDM signals were amplified and the input dynamic range for 1-dB bit-error-rate power penalty exceeds 17.3 dB.
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a Hybrid amplified pon with 75 nm downstream band width 60 km reach 1 64 split and multiple video services
Optical Fiber Communication Conference, 2007Co-Authors: Han Hyub Lee, P P Iannone, Xiang Zhou, K C Reichmann, B PalsdottirAbstract:We demonstrate an upgraded PON providing symmetric 2.488-Gb/s services and three downstream enhancement bands over 60 km to 64 customers. The system uses a SOA-Raman Hybrid Amplifier and a conventional SOA in an "extender box".
You Min Chang - One of the best experts on this subject based on the ideXlab platform.
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dispersion compensating raman edfa Hybrid Amplifier recycling residual raman pump for efficiency enhancement
IEEE Photonics Technology Letters, 2005Co-Authors: You Min Chang, Haeyang ChungAbstract:We experimentally demonstrate a novel concept of the dispersion-compensating Raman/erbium-doped fiber Amplifier Hybrid Amplifier recycling residual Raman pump for increase of overall power conversion efficiency. The proposed dispersion-compensating Hybrid Amplifier system has only one pump source for Raman amplification in the dispersion-compensating fiber (DCF) and the residual pump power after the DCF is recycled for secondary signal amplification in an erbium-doped fiber cascaded to the DCF. Using the proposed scheme, we achieve the significant enhancement of both signal gain and effective gain-bandwidth by 15 dB (small signal gain) and 20 nm, respectively, compared to the performance of the Raman-only Amplifier.
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Dispersion-compensating Raman/EDFA Hybrid Amplifier recycling residual Raman pump for efficiency enhancement
IEEE Photonics Technology Letters, 2005Co-Authors: Ju Han Lee, You Min Chang, Haeyang Chung, Young-geun Han, Sang Hyuck Kim, Sang Bae LeeAbstract:We experimentally demonstrate a novel concept of the dispersion-compensating Raman/erbium-doped fiber Amplifier Hybrid Amplifier recycling residual Raman pump for increase of overall power conversion efficiency. The proposed dispersion-compensating Hybrid Amplifier system has only one pump source for Raman amplification in the dispersion-compensating fiber (DCF) and the residual pump power after the DCF is recycled for secondary signal amplification in an erbium-doped fiber cascaded to the DCF. Using the proposed scheme, we achieve the significant enhancement of both signal gain and effective gain-bandwidth by 15 dB (small signal gain) and 20 nm, respectively, compared to the performance of the Raman-only Amplifier.
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Dynamic properties of single pump, dispersion-compensating Raman/EDFA Hybrid Amplifier recycling residual Raman pump.
Optics Express, 2004Co-Authors: You Min ChangAbstract:We experimentally investigate transient effects of our proposed single pump, dispersion-compensating Raman/EDFA Hybrid Amplifier recycling residual Raman pump in a cascaded EDF under the situation of multi-channel add/drop, and then demonstrate the use of a FBG based all-optical gain-clamping technique to efficiently suppress the output transients. The results show that the proposed Hybrid Amplifier has a significantly long transient response time of ~2 ms compared to the previous reported value of the conventional separate pump, Raman/EDFA Hybrid Amplifiers due to both the low-pumping regime operation of 14XX nm pumped EDFA section and the additional pump transit time through the 12.6 km long dispersion compensating fiber to reach the EDF. However, using a simple gain-clamping method we obtain an almost, transient-free operation.
O Mahra - One of the best experts on this subject based on the ideXlab platform.
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study characteristics of 27 dbm er yb co doped raman Hybrid Amplifier ha compared to er yb co doped fiber Amplifier only
Optik, 2016Co-Authors: O MahraAbstract:Abstract We present the gain and noise figure characteristics of Er-Yb co-doped/Raman Hybrid Amplifier (HA) compared to Er-Yb co-doped fiber Amplifier (EYDFA) only to improving the characteristics performance of optical Amplifier. The work is done, at pump power of 27 dBm ≈ 500 mW for both Amplifiers (in the case of HA, 300 mW for Er-Yb co-doped and 200 mW for Raman Amplifier (RA)). The gain and noise figure measured at (0.7 and 1 m) lengths of Er-Yb co-doped, 25 km Raman Amplifier length and input signal power of (−40 to 10 dBm) in the signal wavelength range (1525–1610 nm). A large gain 40.33 dB is obtained for the Hybrid Amplifier compared to Er-Yb co-doped Amplifier only by increasing 7.33 dB at 1530 nm and −30 dBm and a flat gain is observed in the all range of signal wavelength. Furthermore at lower input signal power −40 dBm, the new Hybrid Amplifier, offer gain increasing to ∼13 dB rather than its value at −30 dBm signal power and 15 dB in compared with Er-Yb co-doped Amplifier only.
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gain and noise figure enhancement of er 3 yb 3 co doped fiber raman Hybrid Amplifier
Optical Materials, 2016Co-Authors: O MahraAbstract:Abstract An Er/Yb co-doped fiber/Raman Hybrid Amplifier (HA) is proposed and studied theoretically and analytically to improve the gain and noise figure of optical Amplifiers. The calculations are performed under a uniform dopant and steady-state conditions. The initial energy transfer efficiency for Er/Yb co-doped fiber Amplifier (EYDFA) is introduced, while the amplified spontaneous emission (ASE) is neglected. The glass fiber used for both Er/Yb and Raman Amplifiers is phosphate. Different pump powers are used for both EYDFA and RA with 1 μW input signal power, 1 m length of Er/Yb Amplifier and 25 km length of Raman Amplifier (RA). The proposed model is validated for Er/Yb co-doped Amplifier and Raman Amplifier separately by comparing the calculating results with the experimental data. A high gain and low noise figure at 200 mW Raman pump power and 500 mW Er/Yb pump power are obtained for the proposed HA as compared with the experimental results of EYDFA, Raman Amplifier and the EDFA/Raman Hybrid Amplifier.
Han Hyub Lee - One of the best experts on this subject based on the ideXlab platform.
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a c l band gain clamped soa raman Hybrid Amplifier for cwdm access networks
IEEE Photonics Technology Letters, 2008Co-Authors: Han Hyub Lee, P P Iannone, K C Reichmann, Juseung Lee, B PalsdottirAbstract:We demonstrate an 83-nm flat gain-bandwidth gain-clamped semiconductor optical Amplifier-Raman Hybrid Amplifier for coarse wavelength-division-multiplexing (CWDM) access networks. Four channels of 2.488-Gb/s CWDM signals were amplified and the input dynamic range for 1-dB bit-error-rate power penalty exceeds 17.3 dB.
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A $C/L$ -Band Gain-Clamped SOA-Raman Hybrid Amplifier for CWDM Access Networks
IEEE Photonics Technology Letters, 2008Co-Authors: Han Hyub Lee, Patrick P. Iannone, Kenneth C. Reichmann, Juseung Lee, B PalsdottirAbstract:We demonstrate an 83-nm flat gain-bandwidth gain-clamped semiconductor optical Amplifier-Raman Hybrid Amplifier for coarse wavelength-division-multiplexing (CWDM) access networks. Four channels of 2.488-Gb/s CWDM signals were amplified and the input dynamic range for 1-dB bit-error-rate power penalty exceeds 17.3 dB.
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a Hybrid amplified pon with 75 nm downstream band width 60 km reach 1 64 split and multiple video services
Optical Fiber Communication Conference, 2007Co-Authors: Han Hyub Lee, P P Iannone, Xiang Zhou, K C Reichmann, B PalsdottirAbstract:We demonstrate an upgraded PON providing symmetric 2.488-Gb/s services and three downstream enhancement bands over 60 km to 64 customers. The system uses a SOA-Raman Hybrid Amplifier and a conventional SOA in an "extender box".
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A gain-clamped SOA-Raman Hybrid Amplifier for a CWDM access network without gain-saturation induced crosstalk
2007 Conference on Lasers and Electro-Optics - Pacific Rim, 2007Co-Authors: Han Hyub Lee, Patrick P. Iannone, K C Reichmann, Juseung LeeAbstract:We demonstrate an 80-nm flat gain-bandwidth gain-clamped SOA-Raman Hybrid Amplifier for CWDM access networks. Four channels of 2.488 Gb/s CWDM signals were amplified and no gain-saturation induced bit-error-rate power penalty was observed.
Neena Gupta - One of the best experts on this subject based on the ideXlab platform.
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Statistical Analysis of Different Configurations of Hybrid Doped Fiber Amplifiers
World Academy of Science Engineering and Technology International Journal of Electrical Computer Energetic Electronic and Communication Engineering, 2009Co-Authors: Inderpreet Kaur, Neena GuptaAbstract:Wavelength multiplexing (WDM) technology along with optical Amplifiers is used for optical communication systems in S-band, C-band and L-band. To improve the overall system performance Hybrid Amplifiers consisting of cascaded TDFA and EDFA with different gain bandwidths are preferred for long haul wavelength multiplexed optical communication systems. This paper deals with statistical analysis of different configuration of Hybrid Amplifier i.e. analysis of TDFA-EDFA configuration and EDFA – TDFA configuration. In this paper One-Way ANOVA method is used for statistical analysis. Keywords—WDM, EDFA, TDFA, Hybrid Amplifier, One-way ANOVA.
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Statistical Analysis of Different Configurations of Hybrid Doped Fiber Amplifiers
Social Science Research Network, 2009Co-Authors: Inderpreet Kaur, Neena GuptaAbstract:Wavelength multiplexing (WDM) technology along with optical Amplifiers is used for optical communication systems in S-band, C-band and L-band. To improve the overall system performance Hybrid Amplifiers consisting of cascaded TDFA and EDFA with different gain bandwidths are preferred for long haul wavelength multiplexed optical communication systems. This paper deals with statistical analysis of different configuration of Hybrid Amplifier i.e. analysis of TDFA-EDFA configuration and EDFA-TDFA configuration. In this paper One-Way ANOVA method is used for statistical analysis.
