Two-photon absorption in microcavities for optical autocorrelation and sampling
- Krug, T.
- Lynch, Michael
- Folliot, H.
- Bradley, Ann Louise
- Donegan, John Francis
- Barry, Liam P.
- Roberts, J.S.
- Hill, G.
Publication date
January 2003
DOI Publisher
Institute of Electrical and Electronics Engineers Language
EnglishAbstract
We have designed novel semiconductor microcavity structures for the enhancement of the two-photon absorption (TPA) photocurrent. We report a TPA autocorrelation technique for short optical pulses that uses the microcavity structure instead of a second harmonic generation crystal. Knowledge of these characteristics is important for implementation in applications such as optical switching and sampling in optical time division multiplexed (OTDM) communications systems
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