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BSI PD IEC TR 61282-5:2019

BSI PD IEC TR 61282-5:2019

$167.15

Fibre optic communication system design guidelines – Accommodation and compensation of chromatic dispersion

Published By Publication Date Number of Pages
BSI 2019 38
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This part of IEC 61282, which is a Technical Report, describes various techniques for accommodation and compensation of chromatic dispersion in fibre optic communication systems. These techniques include dispersion compensation with passive optical components, advanced dispersion management, and electronic accommodation of dispersion in the transmitters and receivers.

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PDF Pages PDF Title
2 undefined
4 CONTENTS
6 FOREWORD
8 1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
3.2 Abbreviated terms
9 4 Background
10 5 Impact of chromatic dispersion
5.1 Dependence on fibre type
5.2 Dispersion-unshifted fibres
11 Figures
Figure 1 – Range of the dispersion coefficient for B-652.D fibres
12 5.3 Dispersion-shifted fibres
13 5.4 Pulse broadening
Tables
Table 1 – Single-mode fibre types and range of dispersion coefficients at 1 550 nm
15 5.5 Pulse narrowing and signal peaking
16 5.6 Dispersion-limited transmission distance
Figure 2 – Distortions in a 10 Gbit/s NRZ signal at various amounts of CD
17 Table 2 – Dispersion-limited transmission distances over B-652 fibre at 1 550 nm
18 6 Compensation and accommodation of dispersion
6.1 Passive dispersion compensation along the optical path
6.1.1 General
6.1.2 Dispersion compensating fibre
19 6.1.3 Chirped fibre Bragg grating
Figure 3 – Summing the dispersions of a B-652 fibre and a DCF over the C-band
20 6.1.4 Etalon filter
6.2 Dispersion management
Figure 4 – Reflectivity and time delay of an FBG-based PDC
21 Figure 5 – Periodic dispersion map with span-by-span compensation
22 6.3 Accommodation of dispersion
6.4 Pre-distortion of the transmitted signal
23 6.5 Electrical accommodation in the receiver
Figure 6 – Transmitter for generating pre-compensated optical signals
24 6.6 Dispersion-assisted transmission
Figure 7 – Coherent optical receiver with electrical CD post-compensation
25 6.7 Mid-span spectral inversion
Figure 8 – Spectral inversion of a modulated signal via four-wave mixing
26 7 Passive dispersion compensator parameters
7.1 Compensated fibre length
7.2 Operating wavelength range
7.3 Chromatic dispersion
27 7.4 Dispersion slope
7.5 Insertion loss
7.6 Wavelength-dependent loss
28 7.7 Phase ripple
7.8 Reflectance
7.9 Polarization-mode dispersion
29 7.10 Polarization-dependent loss
7.11 Optical nonlinearity
7.12 Latency
30 8 Passive dispersion compensator applications
8.1 Unamplified fibre spans
8.2 Fibre links with in-line optical amplifiers
Figure 9 – Passive dispersion compensators placed at the receiver
Figure 10– PDCs placed before optical booster amplifiers at the transmitter
Figure 11 – PDCs placed after pre-amplifiers at the receiver
31 8.3 Multi-channel WDM transmission systems
Figure 12 – Optically amplified link with in-line PDCs
Figure 13 – Optically amplified WDM communication link with in-line PDCs
32 8.4 Hybrid transmission systems
8.5 Multi-band WDM transmission systems
9 System parameters for passive dispersion compensators
Figure 14 – WDM link with individual compensation of residual dispersion
Figure 15 – Two-band WDM link with OA and PDC in the C-band
33 Table 3 – Primary system parameters for DCF-based PDCs
Table 4 – Primary system parameters for FBG-based PDCs
34 Bibliography

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BSI PD IEC TR 61282-5:2019
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