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BSI PD IEC/TR 62343-6-9:2015

BSI PD IEC/TR 62343-6-9:2015

$142.49

Dynamic modules – Design guide. Study of mechanisms and measurements of crosstalk in wavelength-selective switches

Published By Publication Date Number of Pages
BSI 2015 26
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This part of IEC 62343, which is a Technical Report, describes a study of the impact of WSS dynamic crosstalk on the optical network and includes dynamic crosstalk measurement examples for three types of WSS. The generating mechanism and the generation factor of dynamic crosstalk in WSS are clarified, and the evaluation of same-channel crosstalk and different-channel crosstalk is shown to be necessary.

PDF Catalog

PDF Pages PDF Title
4 CONTENTS
6 FOREWORD
8 INTRODUCTION
9 1 Scope
2 Normative references
3 Abbreviations
10 4 Study of dynamic crosstalk for WSS
4.1 Static crosstalk and dynamic crosstalk
4.2 Generation mechanism of dynamic crosstalk
4.2.1 Configuration example of optical switching functionality
Tables
Table 1 – Static crosstalk and dynamic crosstalk
Table 2 – Same-channel crosstalk and different-channel crosstalk
11 4.2.2 Generation mechanism
Figures
Figure 1 – Block diagram of optical switching function
12 Figure 2 – Dynamic crosstalk at WSS
Table 3 – Generating mechanism of same-channel crosstalk and different-channel crosstalk
13 5 Measurement methods of dynamic crosstalk
5.1 Study of measurement methods of dynamic crosstalk
5.1.1 Referenced standard documents
Figure 3 – Dynamic crosstalk at optical coupler for multiplexing
Figure 4 – Dynamic crosstalk at receiver (Rx)
14 5.1.2 Test configuration of tuneable laser source (TLS) and optical power meter
5.1.3 Test configuration of tuneable laser source, OE converter and oscilloscope
Figure 5 – Test configuration of tuneable laser source (TLS) and optical power meter
15 5.1.4 Comparison of the measurement methods
5.2 Evaluation of the measurement methods
Figure 6 – Test configuration of tuneable laser source and oscilloscope
16 6 Measurement result of dynamic crosstalk
6.1 MEMS type WSS
6.1.1 Measurement conditions
6.1.2 Measurement of different-channel crosstalk
Figure 7 – Experimental set-up
17 6.1.3 Measurement of same-channel crosstalk
Figure 8 – Measurement set-up of different-channel crosstalk
Figure 9 – Measurement result of different-channel crosstalk for MEMS type WSS
18 6.2 LCOS type WSS
6.2.1 Measurement conditions
Figure 10 – Measurement result of same-channel crosstalk for MEMS type WSS
19 6.2.2 Measurement of different-channel crosstalk
6.2.3 Measurement of same-channel crosstalk
Figure 11 – Measurement result of different-channel crosstalk for LCOS type WSS
20 6.3 DLP type WSS
6.3.1 Measurement conditions
6.3.2 Measurement procedure and result
Figure 12 – Measurement result of same-channel crosstalk for LCOS type WSS
21 Figure 13 – Switching characteristics for 1 ( 2 DLP type WSS
Figure 14 – Crosstalk measurement result of case a) for DLP type WSS
22 6.4 Summary
Figure 15 – Crosstalk measurement result of case b) for DLP type WSS
Figure 16 – Crosstalk measurement result of case c) for DLP type WSS
23 7 Conclusion
24 Bibliography

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BSI PD IEC/TR 62343-6-9:2015
$142.49