A GaInNAs BDC-SOA utilizing bandgap difference for current confinement was developed. Due to strong current and optical confinements in the lateral direction, gain and fiber coupling efficiency were significantly increased compared with a conventional GaInNAs-SOA.
© 2005 Optical Society of America
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3280) Lasers and laser optics : Laser amplifiers
(250.0250) Optoelectronics : Optoelectronics
(250.5980) Optoelectronics : Semiconductor optical amplifiers
J. Hashimoto, K. Koyama, T. Katsuyama, Y. Tsuji, K. Fujii, K. Yamazaki, and A. Ishida, "1.3 µm GaInNAs Bandgap Difference Confinement (BDC) Semiconductor Optical Amplifier," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CMF4.