An MQW-SQW tapered waveguide transition

An MQW-SQW tapered waveguide transition

We demonstrate an adiabatic, tapered transition in a multiquantum-well (MQW) and single-quantum-well (SQW) coupled structure. The refractive index of the MQW is tapered by the disordering of the AlGaAs/GaAs layers using z-variant, Zn diffused, impurity-induced layer disordering (IILD). We analyze th...

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Veröffentlicht in:IEEE photonics technology letters 1993-09, Vol.5 (9), p.1049-1052
Hauptverfasser: Hyoun Soo Kim, Sinha, S., Ramaswamy, R.V.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electron optics
Electronics
Exact sciences and technology
Miscellaneous
Optical and optoelectronic circuits
Optical crosstalk
Optical polarization
Optical refraction
Optical variables control
Optical waveguides
Quantum well devices
Tellurium
Waveguide transitions
Zinc
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Beschreibung
Zusammenfassung:We demonstrate an adiabatic, tapered transition in a multiquantum-well (MQW) and single-quantum-well (SQW) coupled structure. The refractive index of the MQW is tapered by the disordering of the AlGaAs/GaAs layers using z-variant, Zn diffused, impurity-induced layer disordering (IILD). We analyze the tapered structure using the step transition model and multilayer stack theory. Results are in excellent agreement with the measurements, establishing the adiabatic nature of the transition.< >
ISSN:1041-1135
1941-0174
DOI:10.1109/68.257188