Carrier refraction in quantum well waveguides
Applied Optics, Vol. 28, Issue 17, pp. 3577-3580 (1989)
http://dx.doi.org/10.1364/AO.28.003577
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Abstract
Carrier-induced refractive index changes in forward-biased InGaAs-InAlAs quantum well waveguides are calculated using a Kramers-Kronig transformation of Bar-Joseph’s experimental absorption spectra [Phys. Rev. Lett. 59, 1357 (1987)]. At the l.65-,µm wavelength where the material is nominally transparent, an index change of -0.06 is found for an injection of 6 × 1017 electrons/cm3 . A quantum well waveguide 2 × 2 reversed-Δβ directional coupler switch with an active length of 480 µm is proposed.
Citation
Richard A. Soref and Brian R. Bennett, "Carrier refraction in quantum well waveguides," Appl. Opt. 28, 3577-3580 (1989)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-28-17-3577
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