Title :
Slow-light in nonuniform quantum dot waveguide
Author :
Ku, P.C. ; Chang-Hasnain, C.J. ; Kim, J. ; Chuang, S.L.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., California Univ., Berkeley, CA, USA
Abstract :
We analyzed a new variable all-optical buffer using semiconductor quantum dots (QD). We show that an InAs-InGaAs-GaAs QD waveguide with 20 meV inhomogeneous linewidth can achieve substantial buffering with a novel unbalanced multi-wavelength pumping scheme.
Keywords :
III-V semiconductors; gallium arsenide; indium compounds; optical couplers; optical pumping; optical waveguides; self-induced transparency; semiconductor quantum dots; spectral line breadth; 20 meV; InAs-InGaAs-GaAs; absorption linewidth; all-optical buffer; electromagnetically induced transparency; nonuniform waveguide; optical coupling; quantum dot waveguide; semiconductor quantum dots; unbalanced multiwavelength pumping; Electromagnetic waveguides; High speed optical techniques; Nonlinear optics; Optical buffering; Optical pumping; Optical signal processing; Optical waveguides; Quantum dot lasers; Quantum dots; US Department of Transportation;
Conference_Titel :
Lasers and Electro-Optics Society, 2003. LEOS 2003. The 16th Annual Meeting of the IEEE
Print_ISBN :
0-7803-7888-1
DOI :
10.1109/LEOS.2003.1251898
