1. D. Derickson ,Fiber Optic Test and Measurement, Chapter 8, pp. 284–336, Prentice Hall, Upper Saddle River, NJ (1997).
2. R. Hui and M. O’Sullivan ,Fiber Optic Measurement Techniques, Chapter 5, pp. 483-521, Elsevier Academic Press, Burlington, MA(2008).
3. Optical performance monitoring for the next generation optical communication networks
4. Optical Performance Monitoring
5. Tunable lasers in optical networks