Novel self-electro-optic device using bulk Franz-Keldysh effects in an n[sup +]-GaAlAs-GaAs-Ag

Tayebati, Parviz; Jauniskis, Linas
February 1994
Applied Physics Letters;2/14/1994, Vol. 64 Issue 7, p898
Academic Journal
Demonstrates a bistable self-electro-optic device (SEED) using Franz-Keldysh effects in an asymmetric Fabry-Perot optical modulator device. Observation on the contrast and reflectivity characteristics by the modulator; Provision of negative differential responsivity for SEED operation; Description of the photodetector used.


Related Articles

  • Improvements in strain-balanced InGaAs/GaAs optical modulators for 1047-nm operation. Goodwill, D.J.; Walker, A.C.; Stanley, C.R.; Holland, M.C.; McElhinney, M. // Applied Physics Letters;3/7/1994, Vol. 64 Issue 10, p1192 

    Presents improvements in strain-balanced indium gallium arsenide/gallium arsenide electro-optic effect device modulators. Absorption peak of the device; Use of the indium gallium arsenide/gallium arsenide multiple quantum well; Application of a 13-V reverse bias to obtain a single pass...

  • 20 GHz electro-optic polymer Mach-Zehnder modulator. Girton, D.G.; Kwiatkowski, S.L. // Applied Physics Letters;4/22/1991, Vol. 58 Issue 16, p1730 

    Studies a electro-optic polymer-based integrated optic Mach-Zehnder modulator. Maximum measured frequency response; Half-wave voltage; Modulation depth; Observation of modulation using direct detection.

  • A new integrable optical modulator-switch optimized for speed and power consumption. Ching So, Lai; Lee, Charles A. // Journal of Applied Physics;9/1/1989, Vol. 66 Issue 5, p2200 

    Presents a study that analyzed a structure of planar waveguide directional coupler/switch composed of gallium arsenide (GaAs)/AlGaAs. Background on the electro-optic directional coupler (EDC)/modulator; Examination of the operational characteristics of the proposed EDC/modulator in the...

  • Traveling wave electro-optic phase modulator using cross-linked nonlinear optical polymer. Wenshen Wang; Datong Chen // Applied Physics Letters;8/22/1994, Vol. 65 Issue 8, p929 

    Demonstrates the fabrication and characterization of a high frequency traveling wave electro-optic phase modulator using cross-linked nonlinear optical polymer. Use of a threelayer structure with an integrated line circuit; Definition of the straight channel optical waveguides; Observation of...

  • DCM-polyimide system for triple-stack poled polymer electro-optic devices. Ermer, S.; Valley, J.F. // Applied Physics Letters;11/9/1992, Vol. 61 Issue 19, p2272 

    Presents an all-polyimide system suitable for fabrication of electro-optic wave guide devices on silicon substrates. Source of cladding layers; Components of the electro-optic material; Fabrication of an all-polyimide Mach-Zehnder modulator.

  • GaAs traveling-wave polarization electro-optic waveguide modulator with bandwidth in excess of 20 GHz at 1.3 μm. Wang, S. Y.; Lin, S. H.; Houng, Y. M. // Applied Physics Letters;7/13/1987, Vol. 51 Issue 2, p83 

    We report a 1.3-μm GaAs traveling-wave electro-optic waveguide modulator with a 3-dB optical bandwidth in excess of 20 GHz. The bandwidth was determined by directly detecting the modulated optical signal with a high-speed InP/GaInAs photodiode. The modulator has a coplanar strip electrode...

  • Electro-optical modulators in particle detectors. Tsang, T.; Radeka, V. // Review of Scientific Instruments;Jul1995, Vol. 66 Issue 7, p3844 

    Reports on the results of an investigation to minimize the local electronics in particle detectors using electro-optical intensity modulators. Characterization of the optical modulator system; Performance characteristics of a detector signal transfer scheme; Use of the charge output from a...

  • Polymeric electro-optic modulator based on 1x2 Y-fed directional coupler. An, Dechang; Dechang An; Shi, Zan; Zan Shi; Sun, Lin; Lin Sun; Taboada, John M.; Zhou, Qingjun; Qingjun Zhou; Lu, Xuejun; Xuejun Lu; Chen, Ray T.; Tang, Suning; Hua Zhang; Zhang, Hua; Steier, William H.; Ren, Albert; Dalton, Larry D.; Dalton, Larry R. // Applied Physics Letters;4/10/2000, Vol. 76 Issue 15 

    We have demonstrated a polymeric electro-optic modulator based on a 1x2 Y-fed directional waveguide coupler. The symmetric geometry of the 1x2 Y-fed directional coupler provided the modulator unique characteristics of intrinsic 3 dB operating point and two complementary output ends. A low...

  • Simulation and analysis of silicon electro-optic modulators utilizing the carrier-dispersion effect and impact-ionization mechanism. Huang, H. C.; Lo, T. C. // Journal of Applied Physics;8/1/1993, Vol. 74 Issue 3, p1521 

    Presents a study that proposed a type of silicon guided-wave electro-optic modulator. Use of the impact-ionization mechanism for carrier generation by the modulator; Electrical and wave propagation properties of the modulator; Attainment of numerical estimates of phase modulation due to...


Read the Article


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

Try another library?
Sign out of this library

Other Topics