2026-06-28T20:27:59Zhttps://docta.ucm.es/rest/oai/request

oai:docta.ucm.es:20.500.14352/428132023-08-27T15:22:52Zcom_20.500.14352_14col_20.500.14352_15

Phase tunability of group velocity by modulated-pump-forced coherent population oscillations Arrieta Yáñez, Francisco Melle Hernández, Sonia Gómez Calderón, Óscar Antón Revilla, Miguel Ángel Carreño Sánchez, Fernando Received 12 July 2008 ©2009 The American Physical Society We propose a technique to obtain slow and fast light propagations based on coherent population oscillations forced by a modulated pump. This mechanism produces an enhancement of 1 order of magnitude of the delay or advancement of light signals. The relative phase between the pumps to the signal fields is used as a knob for changing light propagation from ultraslow group velocities to negative group velocities. The experimental realization of the phenomenon was carried out in an erbium-doped fiber amplifier at room temperature. 2023-06-20T00:37:30Z 2023-06-20T00:37:30Z 2009-07-17 journal article 1050-2947 10.1103/PhysRevA.80.011804 https://hdl.handle.net/20.500.14352/42813 https://doi.org/10.1103/PhysRevA.80.011804 eng FIS2007-65382 CCG07- UCM/ESP-2179 CCG08-UCM/ESP4220 PR34/07-15847 open access American Physical Society