1、 IEC TR 61282-5 Edition 2.0 2019-07 TECHNICAL REPORT Fibre optic communication system design guidelines Part 5:Accommodation and compensation of chromatic dispersion IEC TR 61282-5:2019-07(en)THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2019 IEC,Geneva,Switzerland All rights reserved.Unless oth
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9、s issued since 2002.Some entries have been collected from earlier publications of IEC TC 37,77,86 and CISPR.IEC TR 61282-5 Edition 2.0 2019-07 TECHNICAL REPORT Fibre optic communication system design guidelines Part 5:Accommodation and compensation of chromatic dispersion INTERNATIONAL ELECTROTECHNI
10、CAL COMMISSION ICS 33.180.01 ISBN 978-2-8322-7131-5 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.2 IEC TR 61282-5:2019 IEC 2019 CONTENTS FOREWORD.4 1 Scope.6 2 Normative references.6 3 Terms,
11、definitions and abbreviated terms.6 3.1 Terms and definitions.6 3.2 Abbreviated terms.6 4 Background.7 5 Impact of chromatic dispersion.8 5.1 Dependence on fibre type.8 5.2 Dispersion-unshifted fibres.8 5.3 Dispersion-shifted fibres.10 5.4 Pulse broadening.11 5.5 Pulse narrowing and signal peaking.1
12、3 5.6 Dispersion-limited transmission distance.14 6 Compensation and accommodation of dispersion.16 6.1 Passive dispersion compensation along the optical path.16 6.1.1 General.16 6.1.2 Dispersion compensating fibre.16 6.1.3 Chirped fibre Bragg grating.17 6.1.4 Etalon filter.18 6.2 Dispersion managem
13、ent.18 6.3 Accommodation of dispersion.20 6.4 Pre-distortion of the transmitted signal.20 6.5 Electrical accommodation in the receiver.21 6.6 Dispersion-assisted transmission.22 6.7 Mid-span spectral inversion.23 7 Passive dispersion compensator parameters.24 7.1 Compensated fibre length.24 7.2 Oper
14、ating wavelength range.24 7.3 Chromatic dispersion.24 7.4 Dispersion slope.25 7.5 Insertion loss.25 7.6 Wavelength-dependent loss.25 7.7 Phase ripple.26 7.8 Reflectance.26 7.9 Polarization-mode dispersion.26 7.10 Polarization-dependent loss.27 7.11 Optical nonlinearity.27 7.12 Latency.27 8 Passive d
15、ispersion compensator applications.28 8.1 Unamplified fibre spans.28 8.2 Fibre links with in-line optical amplifiers.28 8.3 Multi-channel WDM transmission systems.29 8.4 Hybrid transmission systems.30 8.5 Multi-band WDM transmission systems.30 IEC TR 61282-5:2019 IEC 2019 3 9 System parameters for p
16、assive dispersion compensators.30 Bibliography.32 Figure 1 Range of the dispersion coefficient for B-652.D fibres.9 Figure 2 Distortions in a 10 Gbit/s NRZ signal at various amounts of CD.14 Figure 3 Summing the dispersions of a B-652 fibre and a DCF over the C-band.17 Figure 4 Reflectivity and time delay of an FBG-based PDC.18 Figure 5 Periodic dispersion map with span-by-span compensation.19 Figure 6 Transmitter for generating pre-compensated optical signals.21 Figure 7 Coherent optical receiv
