Multi-quantum-well zero-gap directional coupler with disordered branching waveguides

Shi, S.; Li Kam Wa, P.
January 1995
Applied Physics Letters;1/2/1995, Vol. 66 Issue 1, p79
Academic Journal
Examines a nonlinear switch formed by the integration of an overmoded multi-quantum-well section with disordered input and output branching waveguides. Description of a simpler method of realizing impurity free vacancy induced disordering quantum wells; Use of the pump probe setup; Benefits of a particularly short switching length.


Related Articles

  • Influence of optical interference on quantum well infrared photodetectors in a 45 degrees... Schneider, H.; Schonbein, C. // Applied Physics Letters;1/4/1999, Vol. 74 Issue 1, p16 

    Studies the influence of optical interference on quantum well infrared photodetectors in a 45 degree waveguide geometry. Standing light waves caused by the interference of incident and reflected beams; Suppression of inhomogeneity by mesa photodetectors.

  • Multiple-quantum-well nonlinear waveguide grating device. Cada, M.; Vasey, F.; Stauffer, J.M.; Reinhart, F.K. // Applied Physics Letters;11/4/1991, Vol. 59 Issue 19, p2366 

    Describes a multiple-quantum-well nonlinear waveguide grating device. Variation of the out-coupling angle of the grating; Demonstration of the principle of self-beam steering by the optical power; Application of the principle for dispersion measurements.

  • Simultaneous measurement of electron and hole escape times from biased single quantum wells. Cavailles, J.A.; Miller, D.A.B. // Applied Physics Letters;7/27/1992, Vol. 61 Issue 4, p426 

    Determines the electron and hole escape times from biased quantum wells. Use of picosecond pump probe measurements on wave guides; Identification of contributions from excitonic saturation and field screening by photogenerated carriers; Dominance of thermally assisted escape at room temperature.

  • Native-oxide-defined low-loss AlGaAs-GaAs planar waveguide bends. Caracci, S.J.; Krames, M.R. // Applied Physics Letters;10/18/1993, Vol. 63 Issue 16, p2265 

    Examines the fabrication of planar waveguide S-bends from AlGaAs-GaAs quantum well heterostructure by wet native oxidation process. Use of low refractive index to define the wide single mode guides; Investigation on the guides with two different oxidation depths; Determination of the routing...

  • Dual-wavelength emission from a twin-stripe single quantum well laser. Tokuda, Yasunori; Abe, Yuji; Matsui, Teruhito; Tsukada, Noriaki; Nakayama, Takashi // Applied Physics Letters;11/23/1987, Vol. 51 Issue 21, p1664 

    We demonstrate a dual-wavelength laser constructed from a single quantum well structure. The device includes twin-stripe waveguides which differ in width. The two constituent emitters in the device of appropriate cavity lengths operate at widely different wavelengths, which are based on the...

  • Low-loss multiple quantum well GaInAs/InP optical waveguides. Deri, R. J.; Kapon, E.; Bhat, R.; Seto, M.; Kash, K. // Applied Physics Letters;5/1/1989, Vol. 54 Issue 18, p1737 

    Propagation losses as low as 0.24±0.06 dB/cm are demonstrated for single-mode, GaInAs/InP multiple quantum well rib waveguides at 1.52 μm wavelength. We show that reproducibly low losses (≤0.6 dB/cm for rib widths ≥3 μm) can be maintained over a large chip area (9.4×5...

  • Longitudinal-mode switching in a two-segment multiquantum-well distributed-feedback laser. Li, G. P.; Makino, T. // Journal of Applied Physics;5/1/1995, Vol. 77 Issue 9, p4810 

    Focuses on a study which observed two types of wavelength switching in two-segment multiquantum-well (MQW) distributed-feedback lasers (DFB). Application potential of wavelength switching between two bistable modes in two-segment distributed-feedback lasers; Structure of the two-segment ridge...

  • Contribution of single InGaAs quantum wells to the guided mode dispersion of InGaAs/GaAs/AlGaAs waveguides: Model and experimental results. Pacradouni, V.; Morin, R.; Kanskar, M.; Young, Jeff F.; Johnson, S. R.; Tiedje, T. // Journal of Applied Physics;11/15/1996, Vol. 80 Issue 10, p6039 

    Presents a study which determined the group index dispersion of polarized modes in single quantum well InGaAs/AlGaAs/GaAs graded index separate confinement heterostructure waveguides. Experimental procedure; Analysis; Results and conclusion.

  • Anisotropic propagation of light in planar waveguides containing InGaAs-InP quantum wells. Guettler, T.; Krebs, O.; Voisin, P.; Faini, G.; Rondi, D.; Alibert, C. // Applied Physics Letters;9/27/1999, Vol. 75 Issue 13, p1890 

    Reports on the observation of anisotropy of the propagation index with respect to propagation direction in planar waveguides containing quantum wells. In-plane polarization anisotropy of the absorption observed for light propagating along the growth axis.


Read the Article


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

Try another library?
Sign out of this library

Other Topics