Design and realisation of waveguide integrated AlInAs/GaInAs HEMTs regrown by MBE for high bit rate optoelectronic receivers on InP
- Schramm, C.
- Schlaak, W.
- Mekonnen, G.G.
- Passenberg, W.
- Umbach, A.
- Seeger, A.
- Wolfram, P.
- Bach, H.-G.
DOIAbstract
The successful fabrication of AlInAs/GaInAs HEMTs, regrown by MBE on patterned optical waveguide surfaces after the local removal of a previously grown photodiode layer stack, is reported. The devices are part of a distributed amplifier within an integrated optoelectronic receiver intended to operate at a 1.55 mu m wavelength and at bit rates of 20 and/or 40 Gbit/s. The performance of the HEMTs is highly comparable to reference devices grown on planar surfaces
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