We report on the first all-optical switching operation of intersubband absorption at an optical communication wavelength (/spl sim/1.55 /spl mu/m), which was achieved by InGaAs/AlAs/AlAsSb coupled quantum wells. The switching energy was as low as 27 pJ.
Ultrafast (/spl sim/1 THz) 1.55 /spl mu/m all-optical switch using intersubband absorption in InGaAs/AlAs/AlAsSb coupled quantum wells
2001-01-01
129069 byte
Conference paper
Electronic Resource
English
British Library Conference Proceedings | 2001
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