Low-cost, polarisation independent, tapered photodiodes with bandwidth over 50GHz

Low-cost, polarisation independent, tapered photodiodes with bandwidth over 50GHz

The 50GHz bandwidth photodiodes, attaining a compression point of +12dBm, have been fabricated. The structure design allows an almost complete absorption at 25 μm, corresponding to 0.5A/W responsivity and gives a polarisation dependence as low as ± 0.1dB. These components have been realised with a l...

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Veröffentlicht in:Electronics letters 2001-04, Vol.37 (8), p.1-1
Hauptverfasser: Demiguel, S, Giraudet, L, Pagnod-Rossiaux, P, Boucherez, E, Jany, C, Carpentier, L, Coupe, V, Fock-Yee, S, Decobert, J, Devaux, F
Format: Artikel
Sprache:eng
Schlagworte:
Antireflection coatings
Bandwidth
Compressing
Etching
Photodiodes
Wafers
Waveguides
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Zusammenfassung:The 50GHz bandwidth photodiodes, attaining a compression point of +12dBm, have been fabricated. The structure design allows an almost complete absorption at 25 μm, corresponding to 0.5A/W responsivity and gives a polarisation dependence as low as ± 0.1dB. These components have been realised with a low-cost technology including etched waveguide input facet, antireflection coating on wafer and cleaving V-grooves.
ISSN:0013-5194
1350-911X