Electroabsorption modulator based on Wannier-Stark localization with 20 GHz/V efficiency

Devaux, Fabrice; Bigan, Erwan
December 1992
Applied Physics Letters;12/7/1992, Vol. 61 Issue 23, p2773
Academic Journal
Examines the modulator electroabsorption based on the Wannier-Stark localization in an indium gallium arsenide/indium aluminum arsenide superlattice. Measurement of anisotropic absorption; Acquisition of modulator efficiency; Comparison between the Wannier-Stark localization and quantum stark effect.


Related Articles

  • Delta doping superlattice structures for amplitude modulators: Observation of the Stark effect and improvement of the chirp. Tribuzy, C.V.-B.; Pires, M.P.; Landi, S.M.; Borgström, M.; Souza, P.L. // Applied Physics Letters;4/26/2004, Vol. 84 Issue 17, p3256 

    A Stark shift for a GaAs/AlGaAs multiple quantum well structure containing a nipi delta-doping superlattice is observed. Photocurrent measurements revealed a Stark shift that varied with increasing applied electric field, from being equivalent to that of an undoped structure to 30% below. Even...

  • Quantum well waveguide intensity modulator at visible wavelengths using CdZnTe/ZnTe quantum wells. Lee, D.; Zucker, J.E.; Divino, M.D.; Austin, R.F.; Feldman, R.D.; Jones, K.L.; Johnson, A.M. // Applied Physics Letters;10/7/1991, Vol. 59 Issue 15, p1867 

    Demonstrates a waveguide intensity modulator for visible wavelengths based on the quantum-confined Stark effect. Composition of active waveguide; Estimation of voltages corresponding to electric fields in quantum well regions; Determination of modulation depth.

  • Effect of growth phase on intrinsic Stark effect in CdS-ZnSe superlattices. Bradley, I.V.; Creasey, J.P. // Applied Physics Letters;8/4/1997, Vol. 71 Issue 5, p671 

    Examines the effect of the growth phase of cadmium sulfide-zinc selenide superlattices on the intrinsic Stark effect. Increase of the effective piezoelectric coefficient; Comparison of exciton peak shifts per decade change with other structures; Attribution of small peak shifts to space charge...

  • Electrodispersive multiple quantum well modulator. Lee, Y. H.; Jewell, J. L.; Walker, S. J.; Tu, C. W.; Harbison, J. P.; Florez, L. T. // Applied Physics Letters;10/31/1988, Vol. 53 Issue 18, p1684 

    Quantum-confined Stark effect is combined with a Fabry–Perot resonance to build a multiple quantum well electro-optic modulator. The structure consists of GaAs/AlGaAs quantum wells between two epitaxial AlAs/AlGaAs dielectric multilayer mirrors, all grown by molecular beam epitaxy. The...

  • Efficient polarization insensitive electroabsorption modulator using strained InGaAsP-based.... Chelles, S.; Ferreira, R. // Applied Physics Letters;6/27/1994, Vol. 64 Issue 26, p3530 

    Fabricates a polarization insensitive electroabsorption modulator based on strained indium-gallium arsenide (InGaAsP)/InGaAsP multiple quantum wells. Applications for in-line modulation and optical gating; Components of the undoped electroabsorbant core; Dependence of the Stark shift in a...

  • GaAs/AlAs quantum wells for electroabsorption modulators. Pezeshki, B.; Lord, S.M. // Applied Physics Letters;6/1/1992, Vol. 60 Issue 22, p2779 

    Investigates the implication of gallium arsenide/aluminum arsenide (GaAs/AlAs) quantum wells for electroabsorption modulators. Influence of th quantum-confined Stark effect on absorption changes in GaAs/AlAs quantum wells; Analysis on performance degradation and exciton resonance of AlAs lower...

  • Comparison of stepped-well and square-well multiple-quantum-well optical modulators. Woodward, T. K.; Cunningham, J. E.; Jan, W. Y. // Journal of Applied Physics;8/1/1995, Vol. 78 Issue 3, p1411 

    Compares the responsively and transmission performance of multiple-quantum-well (QW) optical modulators having single or double steps in the quantum well with the square-QW control sample. Means to change the geometry of the QW; Involvement of QW in the increase of quantum confined Stark...

  • Normal incidence infrared modulator using direct-indirect transitions in GaSb quantum wells. Xie, H.; Wang, W.I. // Applied Physics Letters;8/9/1993, Vol. 63 Issue 6, p776 

    Presents a model of normal incidence infrared modulator using direct-indirect transitions in gallium antimonide quantum wells. Use of normal incidence radiation to induce interconnection subband transitions; Correlation between quantum confined Stark effect and effective mass; Changes in the...

  • Low-loss InGaAs/InP multiple quantum well optical electroabsorption waveguide modulator. Koren, U.; Miller, B. I.; Koch, T. L.; Eisenstein, G.; Tucker, R. S.; Bar-Joseph, I.; Chemla, D. S. // Applied Physics Letters;10/12/1987, Vol. 51 Issue 15, p1132 

    An optical electroabsorption waveguide modulator is described based on the quantum-confined Stark effect in an InGaAs/InP multiple quantum well waveguide. The optical modulator has a high on/off ratio (47:1) with very low insertion loss (2.9 dB) and a 3-dB modulation bandwidth of 3.0 GHz at 0.1...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics