Green, R.P., Haji, M., Hou, L. , Mezosi, G., Dylewicz, R. and Kelly, A.E. (2011) Fast saturable absorption and 10 GHz wavelength conversion in Al-quaternary multiple quantum wells. Optics Express, 19(10), pp. 9737-9743. (doi: 10.1364/OE.19.009737)
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Abstract
We measured the absorption recovery times in reverse biased AlInGaAs multiple quantum well material designed to emit at around 1.5 μm wavelength. Absorption recovery times as low as 2.5ps were found at −4V bias, with values below 5ps consistently found for biases above 3V. The short absorption recovery times obtained under reverse bias were confirmed by using cross-absorption modulation in the material to demonstrate wavelength conversion of a 10GHz pulse train, showing both up and down conversion of the incident pulses.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Mezosi, Mr Gabor and Dylewicz, Dr Rafal and Hou, Dr Lianping and Haji, Dr Mohsin and Kelly, Professor Anthony |
Authors: | Green, R.P., Haji, M., Hou, L., Mezosi, G., Dylewicz, R., and Kelly, A.E. |
Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
Journal Name: | Optics Express |
Publisher: | Optical Society of America |
ISSN: | 1094-4087 |
ISSN (Online): | 1094-4087 |
Published Online: | 04 May 2011 |
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