High sensitivity integrated lateral detection in VCSELs
High sensitivity integrated lateral detection in VCSELs
- Author(s): T. Camps ; C. Bringer ; V. Bardinal ; G. Almuneau ; C. Amat ; E. Daran ; J.B. Doucet ; P. Dubreuil ; C. Fontaine
- DOI: 10.1049/el:20057935
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- Author(s): T. Camps 1 ; C. Bringer 1 ; V. Bardinal 1 ; G. Almuneau 1 ; C. Amat 1 ; E. Daran 1 ; J.B. Doucet 1 ; P. Dubreuil 1 ; C. Fontaine 1
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View affiliations
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Affiliations:
1: LAAS-CNRS, Toulouse cedex 4, France
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Affiliations:
1: LAAS-CNRS, Toulouse cedex 4, France
- Source:
Volume 41, Issue 3,
3 February 2005,
p.
129 – 131
DOI: 10.1049/el:20057935 , Print ISSN 0013-5194, Online ISSN 1350-911X
A simple and novel design for power monitoring, integrated in a VCSEL, is presented. A Schottky photodiode, placed close to the VCSEL, enables delivery of a photocurrent of several hundred µA from the lateral emitted light, throughout the whole light-current characteristics. It is shown that the Schottky contact significantly reduces the parasitic current in the cavity.
Inspec keywords: Schottky diodes; photoconductivity; integrated optics; photodetectors; surface emitting lasers; sensitivity; photodiodes
Other keywords:
Subjects: Integrated optics; Photodetectors; Laser resonators and cavities; Photoelectric devices
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