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Gb/s based WDM

Eye-Diagram-Based Evaluation of RZ and NRZ Modulation Methods in a 10-Gb/s Single-Channel and         a 160-Gb/s WDM Optical Networks

Eye-Diagram-Based Evaluation of RZ and NRZ Modulation Methods in a 10-Gb/s Single-Channel and a 160-Gb/s WDM Optical Networks

... 40 Gb/s network, but the question is that how the results would appear by increasing/decreasing the bit rate, transmission distance or number of wavelengths? In another study which was done on communicating ...

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PERFORMANCE EVALUATION OF 1.25×16 GB/S BIDIRECTIONAL DWDM PASSIVE OPTICAL NETWORK BASED ON CYCLIC AWG

PERFORMANCE EVALUATION OF 1.25×16 GB/S BIDIRECTIONAL DWDM PASSIVE OPTICAL NETWORK BASED ON CYCLIC AWG

... channel WDM transmitter produces the downstream signals in the 1500 nm range with 100 GHz channel ...signal. WDM transmitter produces the 16 downstream channels at input power of ...

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Novel full cycle coupler based optical add drop multiplexer and performance characteristics at 40 Gb/s WDM Networks

Novel full cycle coupler based optical add drop multiplexer and performance characteristics at 40 Gb/s WDM Networks

... where is the beat length between the even and odd su- permodes of the coupler. If and are the effective refractive indexes of the even and odd supermodes, respectively, then the beat length is defined as , where is the ...

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LED based wavelength division multiplexed 10 Gb/s visible light communications

LED based wavelength division multiplexed 10 Gb/s visible light communications

... A. Dichroic Mirror Based WDM-VLC Experimental Set-up Fig 2 shows the experimental set-up used for the demon- stration. First, a PC generates a communication signal, and this is turned into analogue signals ...

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Digital linearization of direct detection transceivers for spectrally efficient 100 Gb/s/λ WDM metro networking

Digital linearization of direct detection transceivers for spectrally efficient 100 Gb/s/λ WDM metro networking

... it based on symbol decisions, the linearization filters offer significantly reduced DSP complexity, and avoid the need for accurate symbol decision making when reconstructing the beating ...is based on the ...

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Analyzing the performance of a 10 Gb/s DPSK Multicast overlaid WDM-PON Architecture using numerous modulation techniques

Analyzing the performance of a 10 Gb/s DPSK Multicast overlaid WDM-PON Architecture using numerous modulation techniques

... the WDM-PON architecture with superimposing the multicast signal based on differential phase-shift keying (DPSK) on various modulation formats such as return-to-zero (RZ) , nonreturn-to-zero (NRZ) and ...

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Novel all optical switching and processing techniques for optical networking

Novel all optical switching and processing techniques for optical networking

... 40 Gb/s based on the principle of TDM-to-WDM conversion that is capable of providing a time- slot suppression ratio of more than 35 ...

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Comparative Analysis of OFDM Technique with RZ, NRZ and Duobinary Modulation Formats in 10 Gb/s Single Channel WDM System

Comparative Analysis of OFDM Technique with RZ, NRZ and Duobinary Modulation Formats in 10 Gb/s Single Channel WDM System

... in WDM-PONs focus on advanced modulation formats to support the use of lower bandwidth optical and electrical components at higher data ...400 Gb/s Ethernet links based on advanced modulation ...

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Spectrally efficient 168 Gb/s/λ WDM 64 QAM single sideband Nyquist subcarrier modulation with Kramers Kronig direct detection receivers

Spectrally efficient 168 Gb/s/λ WDM 64 QAM single sideband Nyquist subcarrier modulation with Kramers Kronig direct detection receivers

... single-photodiode based direct-detection (DD) transceivers may be favorable for these applications due to their simple and low-cost optical hardware ...100 Gb/s/λ) and spectrally-efficient (≥ 3 ...

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μLED-based single-wavelength bi-directional POF link with 10 Gb/s aggregate data rate

μLED-based single-wavelength bi-directional POF link with 10 Gb/s aggregate data rate

... >1 Gb/s over such optical links ...5 Gb/s data transmission rate over 25 m of a RCLED-POF link has been realised using 32-level pulse amplitude modula- tion (PAM-32) with a bit-error ratio ...

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Demonstration of a Bidirectional WDM-PON with 10 Gb/s Downstream DQPSK and 5 Gb/s Upstream Re-modulated OOK Data Based on Reflective Semiconductor Optical Amplifier

Demonstration of a Bidirectional WDM-PON with 10 Gb/s Downstream DQPSK and 5 Gb/s Upstream Re-modulated OOK Data Based on Reflective Semiconductor Optical Amplifier

... For optical access networks, wavelength-division- multiplexing passive optical networks (WDM-PON) are considered as a promising solution for the next-generation of FTTx because of its almost-unlimited bandwidth, ...

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Design & Performance Analysis of MIMO FSO Communication System Based on Four channel Spectrum Slicing using AM Technique

Design & Performance Analysis of MIMO FSO Communication System Based on Four channel Spectrum Slicing using AM Technique

... In this paper simulation modeling of a SS-WDM-MIMO-FSO communication system is successful establishment of different wavelength of frequency with 2.5 kilometer with each FSO channel data rate 10 Gb/s ...

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OTDM add drop multiplexer based on time frequency signal processing

OTDM add drop multiplexer based on time frequency signal processing

... Such s trong intensity fluctuations can be detrimental to the performance of a nonlinear switch, as they can induce large waveform distortion and amplitude ...

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50 GHz Spaced 4 × 40 Gbit/s WDM Transmission over 700 km Using 6 ps Bandlimited RZ Signals

50 GHz Spaced 4 × 40 Gbit/s WDM Transmission over 700 km Using 6 ps Bandlimited RZ Signals

... There has been a big demand to increase the transmission capacities of optical fiber communication systems since these systems were first developed. In fact, increasing the capacities is still under development as ...

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Thulium Doped Fiber Amplifier (TDFA) for S band WDM Systems

Thulium Doped Fiber Amplifier (TDFA) for S band WDM Systems

... Abstract — A comprehensive numerical model based on solving rate equations of a thulium-doped silica-based fiber amplifier is evaluated. The pump power and thulium-doped fiber (TDF) length for single-pass ...

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Nonlinear Phase Noise Estimate Based on Electronic Orthogonal Coherent for 112 Gb/s PDM 4QAM System

Nonlinear Phase Noise Estimate Based on Electronic Orthogonal Coherent for 112 Gb/s PDM 4QAM System

... 112 Gb/s PDM-4QAM system was moni- tored; the results indicated that the phase perturbation increased with a long distance, meanwhile, the transmis- sion performance for 112 Gb/s PDM-4QAM ...

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Uplink Design in VLC Systems with IR Sources and Beam Steering

Uplink Design in VLC Systems with IR Sources and Beam Steering

... In this paper, we propose a hybrid conventional diffuse IR (HCD-IR) uplink system in which the optical signals can be fully diffuse over the entire environment. Diffuse systems offer great link stability as well as ...

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A Survey of DWDM Networks, its Development and Future Scope in Telecommunication Domain

A Survey of DWDM Networks, its Development and Future Scope in Telecommunication Domain

... With the introduction of PCM technology in the 1960s, communications networks were gradually converted to digital technology over the next few years. To cope with the demand for ever higher bit rates, a multiplex ...

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Simulative Analysis of WDM based RoFSO Network

Simulative Analysis of WDM based RoFSO Network

... Radio over free space optics (RoFSO) is an emerging technology in the field of optical communication. RoFSO has emerged as frontrunner technology to support ultra-high speed mobile and excises.This dissertation presents ...

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Mathematical Based Model on Survivability for WDM Networks

Mathematical Based Model on Survivability for WDM Networks

... For finding the network Survivability, we have considered a network topology having 5 nodes and 8 links, where each link represents a fibre in the WDM network. With the help of incidence matrix we have prepared ...

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