The reflections from different surfaces in a lensed-fiber pigtailed SOA were measured. The SOA facet reflection is as low as -60dB. The fiber lens reflectivity is reduced from -37 to -47dB by AR coating.
© 2005 Optical Society of America
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.5700) Instrumentation, measurement, and metrology : Reflection
(250.0250) Optoelectronics : Optoelectronics
(250.5980) Optoelectronics : Semiconductor optical amplifiers
M. H. Hu, M. H. Rasmussen, C. Caneau, H. Leblanc, S. Coleman, X. Liu, H. K. Nguyen, N. Visovsky, and C. Zah, "Measurement of Very Low Residual Reflections in Lensed-Fiber Pigtailed Semiconductor Optical Amplifier," in Optical Amplifiers and Their Applications, Technical Digest (CD) (Optical Society of America, 2005), paper WA4.