1
Scope
2 References
3 Terms and definitions
3.1 Definitions
3.2 Terms defined in other
Recommendations
4 Abbreviations
5 Classification of optical
interfaces
5.1 Applications
5.2 Reference and physical
configurations
6 Parameter definitions
6.1 System operating wavelength range
6.2 Transmitter
6.2.1 Spectral characteristics
6.2.2 Mean launched power
6.2.3 Extinction ratio
6.2.4 Eye pattern mask
6.3 Optical path
6.3.1 Attenuation
6.3.2 Dispersion
6.3.3 Dispersion compensation
6.3.4 Reflections
6.4 Receiver
6.4.1 Sensitivity
6.4.2 Overload
6.4.3 Path penalty
6.4.4 Reflectance
7 Optical parameter values
8 Optical engineering approach
8.1 Design assumptions
8.2 Non-linearities
8.3 Dispersion accommodation
8.3.1 Design principle
8.3.2 Passive dispersion compensation
8.3.3 Self phase modulation
8.3.4 Prechirp
8.3.5 Combinations of techniques
8.3.6 Dispersion supported transmission
8.4 Standalone amplifiers
8.5 Upgradability considerations
8.5.1 Types of upgrades
8.5.2 Guidelines of upgrades
8.6 Optical safety considerations
Annex A – Extinction ratio and eye mask penalties
A.1 Measurement parameters
A.2 Extinction ratio penalty
A.3 Eye mask penalty
A.4 Receiver sensitivity
Appendix I – Polarization
mode dispersion
I.1 The statistical distribution of
PMD
I.2 The path penalty due to PMD
Appendix II – Description of SPM as dispersion
accommodation
II.1 SPM basics
II.2 Using self phase modulation as a
dispersion accommodation technique
II.3 SPM-breakdown
II.4 Optical parameter values for
applications
II.5 Source type
II.6 Eye pattern mask
II.7 Receiver
Appendix III – Dispersion Accommodation by means of DST
III.1 Introduction
III.2 Principle of the DST technique
III.3 Optical receiver eye pattern mask
after dispersive fibre transmission
III.4 Parameter definitions
III.4.1 Transmitter at reference point MPI-S
III.4.2 Receiver at reference point MPI-R
III.5 Optical parameter values
Appendix IV –
Measurement of the chirp parameter a of the optical transmit signal
IV.1 Measurement set-up
IV.2 Technical requirements for the
measuring equipment
IV.3 Calibration
IV.4 Measurement procedure
IV.5 Data processing
IV.6 Examples and interpretation of
data
Appendix V – Upgradability considerations