Semiconductor optical devices

H - Electricity – 01 – L

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H01L 31/173 (2006.01) G01N 21/64 (2006.01) H01L 31/0232 (2006.01) H01S 5/026 (2006.01)

Patent

CA 2503348

A semiconductor optical device (e.g. a resonant cavity device in this form of an LED or a laser) comprises a single substrate arranged for emitting light (O) for incidence on a sample or other element and also responsive to light (D), e.g. of a different wavelenght, received back from this sample or other element: the device further comprises means for monitoring a characteristic (e.g. its current-voltage characteristic) which varies in dependence upon the light (D) received back from the sample or other element.

Composants optiques semi-conducteurs, par exemple, tel qu'un composant à cavité résonante sous forme de diode électroluminescente ou de laser, comprenant un substrat unique conçu pour émettre de la lumière (O) incidente par rapport à un échantillon ou à un autre élément et également sensible à de la lumière (D), par exemple présentant une longueur d'onde différente, renvoyée par cet échantillon ou cet autre élément. Ce composant comporte également des moyens servant à contrôler une caractéristique, par exemple, sa caractéristique courant-tension, qui varie en fonction de la lumière (D) renvoyée par l'échantillon ou par l'autre élément.

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