Cross talks in multiwavelength optical cross-connect networks

Zhou, Jingyu; O'Mahony, M.J.; Cadeddu, R.; Casaccia, E.

doi:10.1364/ofc.1995.thi8

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Device Requirements Versus Switch Block Architectures1

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2007

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Cited by 2 publications

(2 citation statements)

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“…Moreover, they offer polarization independent on-state fiber to fiber gain of up to 29 dB [14]. High on/off ratios are essential for proper operation in the presence of crosstalk which is inevitable in a WDM switching environment [15]. For an interfering channel at the same wavelength as the signal an on/off ratio of approximately 25 dB is required to keep the power penalty BER below 1 dB [16], whereas, only about 7 dB is required for a crosstalk signal placed so that the beat product is well outside the receiver bandwidth [17].…”

Section: Device Requirements Versus Switch Block Architecturesmentioning

confidence: 99%

WDM packet switch architectures and analysis of the influence of tunable wavelength converters on the performance

Danielsen

Mikkelsen

Jœrgensen

et al. 1997

J. Lightwave Technol.

165

113

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Section: Device Requirements Versus Switch Block Architecturesmentioning

confidence: 99%

WDM packet switch architectures and analysis of the influence of tunable wavelength converters on the performance

Danielsen

Mikkelsen

Jœrgensen

et al. 1997

J. Lightwave Technol.

165

113

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“…Crosstalk can be defined as unwanted wavelength interfering with the desired channel. Crosstalk will not accompany the new channel if it is dropped from previous channels [1].…”

mentioning

confidence: 99%

Effects of crosstalk in an array waveguide grating add/drop router on the performance of WDM networks

Karfaa

Ismail

Abbou³

et al. 2007

2007 IEEE International Conference on Telecommunications and Malaysia International Conference on Communications

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Performance analysis is carried out to evaluate the Bit Error Rate (BER) performance limitation of a Wavelength Division Multiplexing (WDM) network transmission system imposed by crosstalk due to Waveguide Grating Router (AWG) router. The analysis shows that penalty is higher at higher input power, higher number of wavelengths, larger number of nodes, and higher bit rates, while the BER graphs for first, second, and third effects are shown. This network is influenced by linear crosstalk, so, the distance or fiber length in the WDM network is significantly limited by linear crosstalk, which means nodes number, and number of network users are limited. Also, the bit rate is an effective factor, that, increasing it will reason penalty on the network.Index Terms-WDM, AWG, linear crosstalk, power penalty, nodes number, EDFA amplifier, BER and noise.

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Cross talks in multiwavelength optical cross-connect networks

Cited by 2 publications

References 2 publications

WDM packet switch architectures and analysis of the influence of tunable wavelength converters on the performance

WDM packet switch architectures and analysis of the influence of tunable wavelength converters on the performance

Effects of crosstalk in an array waveguide grating add/drop router on the performance of WDM networks

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