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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 28, Iss. 17 — Sep. 1, 1989
  • pp: 3577–3580

Carrier refraction in quantum well waveguides

Richard A. Soref and Brian R. Bennett  »View Author Affiliations


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 1.65-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.

© 1989 Optical Society of America

History
Original Manuscript: May 16, 1988
Published: September 1, 1989

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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References

  1. D. S. Chemla, I. Bar-Joseph, C. Klingshirn, D. A. B. Miller, J. M. Kuo, T. Y. Chang, “Optical Reading of Field-Effect Transistors by Phase-Space Absorption Quenching in a Single InGaAs Quantum Well Conducting Channel,” Appl. Phys. Lett. 50, 585–588 (1987). [CrossRef]
  2. I. Bar-Joseph et al., “Absorption Spectroscopy of the Continuous Transition from Low to High Electron Density in a Single Modulation-Doped InGaAs Quantum Well,” Phys. Rev. Lett. 59, 1357–1360 (1987). [CrossRef] [PubMed]
  3. J. H. Abeles, W. K. Chan, A. Kastalsky, J. P. Harbison, L. T. Florez, R. Bhat, “Guided-Wave GaAs/AlGaAs FET Optical Modulator Based on Free-Carrier-Induced Bleaching,” Electron. Lett. 23, 1303–1305 (1987). [CrossRef]
  4. B. R. Bennett, R. A. Soref, “Bandfilling Electro-Optic Effect in InP, GaAs, GaSb, InAs, and InSb,” Proc. Soc. Photo-Opt. Instrum. Eng. 994, 168–186 (1988).
  5. U. Koren, T. L. Koch, B. I. Miller, A. Shahar, “An InGaAs/ InGaAsP Distributed Feedback Laser with an Intracavity Phase Modulator,” in Technical Digest of Topical Meeting on Integrated and Guided-Wave Optics (Optical Society of America, Washington, DC, 1988), paper PD9.
  6. R. A. Soref, K. Y. Lau, “A Proposed Carrier-Induced Electrooptical Switch in III–V Quantum-Well Waveguides,” Proc. Soc. Photo-Opt. Instrum. Eng. 993, 126–136 (1988).

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