Current-controlled group delay using a semiconductor Fabry–Perot amplifier

Minin, Serge; Fisher, Matthew Robert; Shun Lien Chuang
April 2004
Applied Physics Letters;4/26/2004, Vol. 84 Issue 17, p3238
Academic Journal
We present a demonstration of a current-controlled group delay using a semiconductor waveguide Fabry–Perot optical amplifier operated in reflection. Current injection allows us to tune the resonant wavelength as well as provide the gain required for all-pass reflection, which leads to group delay tunability with relatively small power variation. We show very good agreement between our experimental data and theoretical results, which are analogous to waveguide-coupled active ring resonators. © 2004 American Institute of Physics.


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