Beneficial OLT Transmitter and Receiver Concepts for NG-PON2 Using Semiconductor Optical Amplifiers

Bonk, R.; Schmuck, H.; Poehlmann, W.; Pfeiffer, Thomas

doi:10.1364/ofc.2014.w1d.5

Cited by 12 publications

(7 citation statements)

References 1 publication

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“…As seen in Table 3, the results achieved in this work were in agreement with previous work discussed by [24,27,29]. CE was inversely proportional to the pump signal power over the whole spectral range; as the pump signal power value increases, the CE value will decrease.…”

Section: Conversion Efficiency Measurementssupporting

confidence: 91%

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Optical Channel Capacity Upgrade Based on Multiwavelength Conversion XGM Using Semiconductor Optical Amplifier for Access Networks

Ab-Rahman¹,

Swedan

2017

International Journal of Optics

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This paper demonstrates a 10 Gb/s one-to-two-wavelength conversion configuration based on cross-gain modulation for optical access networks using a single TW-SOA. The method is capable of converting a signal data of specific wavelength 1541 nm to certain wavelengths of CW's laser 1554 nm and 1558 nm with 4 nm spacing. The pump power level was classified due to channel response. A result obtained was the best power level offering wavelength converter between −6 and 3 dBm. The conversion efficiency achievement provided an acceptable result for probe signals. The findings of -factor performance were investigated. The values were found to be more than 9 for point to point transmission and 20 km fiber configurations for the original and converted signal. The technique implemented at 20 km and the power of all channels were adequate to provide a splitting ratio of 1/64 for the launched pump power 3 dBm.

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Section: Conversion Efficiency Measurementssupporting

confidence: 91%

“…Others run the WC at optical network unit (ONU) using a reflective semiconductor optical amplifier (RSOA) for upstream transmission. Nevertheless, these architectures need to install erbium-doped fiber amplifier (EDFA) [21][22][23][24]. The literature does not clarify the importance of the SOA position.…”

Section: Introductionmentioning

confidence: 99%

Optical Channel Capacity Upgrade Based on Multiwavelength Conversion XGM Using Semiconductor Optical Amplifier for Access Networks

Ab-Rahman¹,

Swedan

2017

International Journal of Optics

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“…The signal powers involved in the above definitions can be found through simulation run at 10 Gb/s. This bit rate is in line with data rates of modern applications that exploit SOAs as linear amplification elements [2,8] and falls in the range within which significant bit pattern distortions are caused on signals directly amplified by typical SOAs [54]. The input to the SOA is a pseudo random binary sequence (PRBS) of 127 bits in length, which allows one to fully capture and investigate the detrimental impact of the SOA pattern effect [55].…”

Section: Odi Vs Mrr Comparison: Results and Discussionmentioning

confidence: 52%

“…Optical amplifiers (OAs) are key elements for the development, implementation and evolution of fiber-based transportation, distribution and access networks [1,2]. Their traditional functions include ( Figure 1 [3]) enhancing the signal power before being launched into an optical link (boosters), compensating for signal losses incurred either by the fiber medium, components along the propagation path or optical splitters, branches and taps (in-line reach extenders) and increasing the level of the received signal before photodetection (preamplifiers).…”

Section: Introductionmentioning

confidence: 99%

Comparison of Basic Notch Filters for Semiconductor Optical Amplifier Pattern Effect Mitigation

2017

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Abstract:We conduct a thorough comparison of two basic notch filters employed to mitigate the pattern effect that manifests when semiconductor optical amplifiers (SOAs) serve linear amplification purposes. The filters are implemented using as the building architecture the optical delay interferometer (ODI) and the microring resonator (MRR). We formulate and follow a rational procedure, which involves identifying and applying the appropriate conditions for the filters' spectral response slope related to the SOA pattern effect suppression mechanism. We thus extract the values of the free spectral range and detuning of each filter, which allow one to equivocally realize the pursued comparison. We define suitable performance metrics and obtain simulation results for each filter. The quantitative comparison reveals that most employed metrics are better with the MRR than with the ODI. Although the difference in performance is small, it is sufficient to justify considering also using the MRR for the intended purpose. Finally, we concisely discuss practical implementation issues of these notch filters and further make a qualitative comparison between them in terms of their inherent advantages and disadvantages. This discussion reveals that each scheme has distinct features that render it appropriate for supporting SOA direct signal amplification applications with a suppressed pattern effect.

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“…As one of these studies, an access aggregation convergence network has proposed by the application of long reach PON to the aggregation network in terms of the reduction of the aggregation network's CAPEX [9]. However, the application of long reach PON has resulted in several issues, such as optical burst mode amplifications to support long reach with lower CAPEX [10] and a decrease in the network delay caused by dynamic bandwidth allocation (DBA) [11]. As a different method to achieve a cost-effective aggregation network, rather than a converged approach for the access network in terms of current network architecture, we have been studying an approach to incorporate the optical burst control techniques used in the PON, such as 10G-EPON, to the aggregation network, specifically, the optical Layer-2 switch network (OL2SW-NW) [12]- [18].…”

Section: Introductionmentioning

confidence: 99%

Bufferless Bidirectional Multi-Ring Networks with Sharing an Optical Burst Mode Transceiver for Any Route

Hattori

Nakagawa

Matsuda

et al. 2017

IEICE Trans. Inf. & Syst.

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SUMMARYImprovement of conventional networks with an incremental approach is an important design method for the development of the future internet. For this approach, we are developing a future aggregation network based on passive optical network (PON) technology to achieve both cost-effectiveness and high reliability. In this paper, we propose a timeslot (TS) synchronization method for sharing a TS from an optical burst mode transceiver between any route of arbitrary fiber length by changing both the route of the TS transmission and the TS control timing on the optical burst mode transceiver. We show the effectiveness of the proposed method for exchanging TSs in bidirectional bufferless wavelength division multiplexing (WDM) and time division multiplexing (TDM) multi-ring networks under the condition of the occurrence of a link failure through prototype systems. Also, we evaluate the reduction of the required number of optical interfaces in a multi-ring network by applying the proposed method.

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Beneficial OLT Transmitter and Receiver Concepts for NG-PON2 Using Semiconductor Optical Amplifiers

Cited by 12 publications

References 1 publication

Optical Channel Capacity Upgrade Based on Multiwavelength Conversion XGM Using Semiconductor Optical Amplifier for Access Networks

Optical Channel Capacity Upgrade Based on Multiwavelength Conversion XGM Using Semiconductor Optical Amplifier for Access Networks

Comparison of Basic Notch Filters for Semiconductor Optical Amplifier Pattern Effect Mitigation

Bufferless Bidirectional Multi-Ring Networks with Sharing an Optical Burst Mode Transceiver for Any Route

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