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All-Optical Wavelength Conversion at 160Gb/s by Intersubband Transition Switches Utilizing Efficient XPM in InGaAs/AlAsSb Coupled Double Quantum Well
Wavelength Conversion Coupled Double Quantum Well
2015/7/14
We report all-optical wavelength conversion of 160-Gb/s signal by intersubband transition switches with signal pulse energy as low as sub-pJ, which is enabled by newly designed InGaAs/AlGaAs/AlAsSb co...
All Optical Demultiplexing from 160 to 40-Gb/s Utilizing InGaAs/AlAsSb Quantum Well Intersubband Transition Switch
InGaAs/AlAsSb Quantum Well Intersubband Transition Switch
2015/8/4
We demonstrated all optical demultiplexing from 160 to 40-Gb/s by intersubband transition switch. This was enabled by quantum well with high XPM efficiency and bi-directional pump configuration.
Broadband and Enhanced Picosecond Cross-phase Modulation in InGaAs /AlAsSb Quantum Well Waveguides G.W. Cong, R. Akimoto, M. Nagase, T. Mozume, T. Hasama, and H. Is
Broadband Enhanced Picosecond Cross-phase Modulation Quantum Well Waveguides
2015/8/3
Ultrafast cross-phase modulation induced by intersubband excitation was ~2-3times enhanced when tuning probe wavelength from 1640 to 1360nm, showing a ~300nm broadband. Interband dispersion model expl...