The gain dynamics in electrically-pumped InGaAs quantum dot amplifiers at 300 K is measured to be in the subpicosecond range for both ground and excited state transitions, promising for all-optical signal processing at >40 GHz repetition rates.
Ultrafast gain recovery dynamics of the excited state in InGaAs quantum dot amplifiers
(CLEO). Conference on Lasers and Electro-Optics, 2005. ; 3 ; 1674-1676 Vol. 3
2005-01-01
1015230 byte
Conference paper
Electronic Resource
English
Ultrafast Gain Recovery Dynamics of the Excited State in InGaAs Quantum Dot Amplifiers
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