Coupled-Core Optical Amplifier

• DOI: 10.1364/ofc.2017.th5d.3
• Publication Date: 2017-03-21T16:28:35Z
• Authors: Nicolas K. Fontaine; Jose Enrique Anto...; Haoshuo Chen; Roland Ryf; David Neilson; Axel Schulzgen; Juan Carlos Alvar...; Rene-Jean Essiambre; Hirotaka Sakuma; Takemi Hasegawa; Tetsuya Nakanishi; Tetsuya Hayashi; Rodrigo Amezcua-C...
• Keywords: Fiber amplifier; SIGNAL (programming language)

We demonstrate a 4-core fiber amplifier that has strongly coupled cores at both the pump and signal wavelengths. Strong mode-coupling minimizes mode dependent loss simplifies requirements on spatial uniformity of pump.