BSI PD IEC TR 61282-5:2019 – TC:2020 Edition
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Tracked Changes. Fibre optic communication system design guidelines – Accommodation and compensation of chromatic dispersion
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 94 |
IEC TR 61282-5:2019 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. This second edition cancels and replaces the first edition, published in 2002, and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) extends the application space for dispersion compensation and accommodation to communication systems that employ non-zero dispersion-shifted fibres; b) adds a discussion on the suitability of fibre types for long-haul transmission of wavelength-multiplexed signals; c) updates the dispersion coefficient limits for dispersion-unshifted fibres; d) adds information on the dispersion coefficients of dispersion-shifted fibres; e) updates the naming of the fibre types to the revised naming conventions defined in IEC 60793-2-50:2018; f) updates Table 2 to include the dispersion tolerance of phase-shift-keyed modulation formats used for the transmission of 40 Gbit/s and 100 Gbit/s signals; g) adds information on dispersion management in terrestrial and submarine communication systems; h) extends the description of passive dispersion compensators based on fibre Bragg gratings and etalons; i) adds information on electronic dispersion accommodation in coherent communication systems (including transmitters and receivers); j) updates the description of optical accommodation techniques to include soliton transmission and mid-span spectral inversion; k) extends the list of system parameters for passive dispersion compensators to include wavelength-dependent loss, phase ripple, and latency;l) updates the description of dispersion compensator applications in long-haul communication systems. Keywords: chromatic dispersion
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 58 | undefined |
| 60 | CONTENTS |
| 62 | FOREWORD |
| 64 | 1 Scope 2 Normative references 3 Terms, definitions and abbreviated terms 3.1 Terms and definitions 3.2 Abbreviated terms |
| 65 | 4 Background |
| 66 | 5 Impact of chromatic dispersion 5.1 Dependence on fibre type 5.2 Dispersion-unshifted fibres |
| 67 | Figures Figure 1 – Range of the dispersion coefficient for B-652.D fibres |
| 68 | 5.3 Dispersion-shifted fibres |
| 69 | 5.4 Pulse broadening Tables Table 1 – Single-mode fibre types and range of dispersion coefficients at 1 550 nm |
| 71 | 5.5 Pulse narrowing and signal peaking |
| 72 | 5.6 Dispersion-limited transmission distance Figure 2 – Distortions in a 10 Gbit/s NRZ signal at various amounts of CD |
| 73 | Table 2 – Dispersion-limited transmission distances over B-652 fibre at 1 550 nm |
| 74 | 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 |
| 75 | 6.1.3 Chirped fibre Bragg grating Figure 3 – Summing the dispersions of a B-652 fibre and a DCF over the C-band |
| 76 | 6.1.4 Etalon filter 6.2 Dispersion management Figure 4 – Reflectivity and time delay of an FBG-based PDC |
| 77 | Figure 5 – Periodic dispersion map with span-by-span compensation |
| 78 | 6.3 Accommodation of dispersion 6.4 Pre-distortion of the transmitted signal |
| 79 | 6.5 Electrical accommodation in the receiver Figure 6 – Transmitter for generating pre-compensated optical signals |
| 80 | 6.6 Dispersion-assisted transmission Figure 7 – Coherent optical receiver with electrical CD post-compensation |
| 81 | 6.7 Mid-span spectral inversion Figure 8 – Spectral inversion of a modulated signal via four-wave mixing |
| 82 | 7 Passive dispersion compensator parameters 7.1 Compensated fibre length 7.2 Operating wavelength range 7.3 Chromatic dispersion |
| 83 | 7.4 Dispersion slope 7.5 Insertion loss 7.6 Wavelength-dependent loss |
| 84 | 7.7 Phase ripple 7.8 Reflectance 7.9 Polarization-mode dispersion |
| 85 | 7.10 Polarization-dependent loss 7.11 Optical nonlinearity 7.12 Latency |
| 86 | 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 |
| 87 | 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 |
| 88 | 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 |
| 89 | Table 3 – Primary system parameters for DCF-based PDCs Table 4 – Primary system parameters for FBG-based PDCs |
| 90 | Bibliography |
