Table of Contents - G.661 (05/2025) - Definitions and test methods for the relevant generic parameters of optical amplifier devices and subsystems

1	Scope
2	References
3	Definitions
	3.1	Terms defined elsewhere
	3.2	Terms defined in this Recommendation
4	Abbreviations and acronyms
5	Conventions
6	Classification
7	Test methods
Appendix I – Main differences between optical fibre amplifiers and semiconductor optical amplifiers
	I.1	General remarks
	I.2	Comparison of optical performance characteristics between SOA and OFA
	I.3	Applications
Appendix II – Environmental, mechanical, physical and reliability parameters of optical amplifier devices and subsystems
	II.1	Parameters for OA devices
	II.2	Parameters for OA subsystems
	II.3	Environmental and reliability test methods
Appendix III – Remote optically pumped optical amplifiers (ROPA)
	III.1	ROPA structure
	III.2	ROPA amplification mechanism
	III.3	Typical configurations of an ROPA
Bibliography