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BSI PD IEC/TR 62343-6-3:2010

BSI PD IEC/TR 62343-6-3:2010

$142.49

Dynamic modules – Round robin measurement results for group delay ripple of tunable dispersion compensators

Published By Publication Date Number of Pages
BSI 2010 32
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This technical report describes the round robin measurement results for the group delay ripple (GDR) of tunable dispersion compensators (TDCs). It briefly explains the four typical TDCs measured and four typical methods of measuring group delay (GD), as well as the GDR round robin measurement results of TDCs, and an analysis of repeatability and differences among these measurement methods. This technical report also proposes suitable measurement parameters and a new parameter of phase ripple instead of GDR.

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PDF Pages PDF Title
4 CONTENTS
6 FOREWORD
8 INTRODUCTION
9 1 Scope
2 Normative references
3 Abbreviated terms
10 4 Types of tunable dispersion compensators (TDCs)
4.1 Virtual imaged phased array (VIPA)
4.2 Fibre Bragg grating (FBG)
4.3 Planar lightwave circuit (PLC)
Figures
Figure 1 – Structure of the VIPA
Figure 2 – Chirped fibre grating
11 4.4 Etalon
5 Measurement methods
5.1 Modulation phase shift (MPS) method
Figure 3 – PLC (MZ interference circuit)
Figure 4 – Etalon (Gires-Tournois interferometer)
12 5.2 Modulation phase shift-Mueller matrix (MPS-Mueller) method
5.3 Polarization phase shift (PPS) method
5.4 Swept wavelength interferometry (SWI) method
6 DUTs and test parameters
Table 1 – DUTs and measurement methods used in round robin testing
13 7 Measurement results
7.1 VIPA
Table 2 – RBW and modulation frequency
14 Figure 5 – GD and IL of the VIPA
Figure 6 – GD deviation with each measurement method of the VIPA
15 Figure 7 – GD deviation at different RBWs of the VIPA
Figure 8 – Summary of GDR measurement results of the VIPA
16 7.2 FBG
Figure 9 – Summary of GDR repeatability of the VIPA
Figure 10 – GD and IL of FBG1
17 Figure 11 – GD deviation with each measurement method of FBG1
Figure 12 – GD deviation at different RBWs of FBG1
18 7.3 PLC
Figure 13 – Summary of GDR measurement results of the FBGs
Figure 14 – Summary of GDR repeatability of the FBGs
19 Figure 15 – GD and IL of the PLC
Figure 16 – GD deviation of the PLC with different measurement methods
20 Figure 17 – GD deviation of the PLC at different RBWs
Figure 18 – Summary of GDR measurement results of the PLC
21 7.4 Etalon
Figure 19 – Summary of GDR repeatability of the PLC
Figure 20 – GD and IL of the etalon
22 Figure 21 – GD deviation of the etalon with different measurement methods
Figure 22 – GD deviation of the etalon at different RBWs
23 8 Data analysis
8.1 Repeatability
Figure 23 – Summary of GDR measurement results of the etalon
Figure 24 – Summary of GDR repeatability of the etalon
24 8.2 Measurement method differences
Figure 25 – RBW, measurement methods and GDR repeatability
25 Figure 26 – Differences in GDR measurement results between measurement methods
Figure 27 – GDR differences produced when measuring a TDC with GDR of less than 6 ps at RBW of 8 pm
26 9 Consideration of phase ripple
Figure 28 – Typical measurement result of GDR
27 Figure 29 – Phase ripple calculated from GDR
Figure 30 – Amplitude, period, and EOP of GDR
28 Figure 31 – Phase ripple of the VIPA and FBGs
Figure 32 – Phase ripple repeatability of the VIPA and FBGs
29 10 Conclusion
Figure 33 – Differences in phase ripple between measurement methods

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BSI PD IEC/TR 62343-6-3:2010
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