1.55 /spl mu/m polarisation independent semiconductor optical amplifier with 25 dB fiber to fiber gain

P. Doussière, P. Garabédian, C. Graver, D. Bonnevie, T. Fillion, E. Derouin, M. Monnot, J.-G. Provost, D. Leclerc, M. Klenk

IEEE Photonics Technology Letters · 1994 · 93 citations · 7 references

Concepts

Abstract

Using a tapered in width square active waveguide and bulk InGaAsP/InP material we demonstrate a polarisation independent amplifier structure operating at 1550 nm with a reduced far-field divergence. Improvement of coupling efficiency enables us to achieve a 25 dB fiber to fiber gain together with 9 dBm fiber saturation output power for 150 mA bias current. A 200 ps gain recovery time allows fast gating or wavelength conversion.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

References

7