Search Results - "Wherrett, B."

Nonlinear optical properties of chalcogenide glasses: Observation of multiphoton absorption by Bindra, K. S., Bookey, H. T., Kar, A. K., Wherrett, B. S., Liu, X., Jha, A.

“…We report observation of four- and five-photon absorption in the chalcogenide glasses at the telecommunication wavelengths. The nonlinear refractive index is…”
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All-optical switching potentiality in Fabry–Perot devices containing poly-DCHD by Camacho, M.A., Kar, A.K., Wherrett, B.S., Bakarezos, M., Rangel-Rojo, R., Yamada, S., Matsuda, H., Kasai, H., Nakanishi, H.

“…The linear and nonlinear response of Fabry–Perot etalons containing a polymer microcrystal solution was studied using the pump–probe technique with a…”
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Materials for optical computing by Wherrett, B.S.

“…Information superhighways exploit optical-pulse propagation in silica fibre. Will the computers at the ends of the highway likewise exploit the optical…”
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The nonlinear behaviour of II–VI materials by Wherrett, B.S.

“…Mechanisms for nonlinear optical phenomena in semiconductors are reviewed, having in mind a range of optoelectronic devices. Results for the cubic,…”
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Split-step fourier methods applied to model nonlinear refractive effects in optically thick media by Burzler, J. M., Hughes, S., Wherrett, B. S.

“…We describe and example the Beam Propagation Method (BPM) used to model and simulate nonlinear refractive and absorptive effects in materials with applications…”
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Fabry-Perot bistable cavity optimization on reflection by Wherrett, B.

“…An analysis of bistable Fabry-Perot action in reflection is presented. Optimum values for the cavity reflective coatings and cavity length are determined…”
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Plasma-expansion induced absorption and refraction changes in ZnSe epilayers by Bakarezos, M., Blewett, I. J., Galbraith, I., Kar, A. K., Wherrett, B. S.

“…A novel transient-grating technique with a well-defined and moveable optical probe is used to investigate the spatial extent of any optical changes arising…”
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Fastscan z-scan system for determining optical non-linearities in semiconductors by Blewett, I.J., Stokes, J., Tookey, A., Kar, A.K., Wherrett, B.S.

“…Traditional z-scan techniques have been used to determine the non-linear optical coefficients of semiconductors. This is usually carried out by scanning a…”
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The demonstration of restoring digital optical logic by Smith, S. D, Walker, A. C, Tooley, F. A. P, Wherrett, B. S

“…Nonlinear all-optical circuit elements can be used to create indefinitely extensible optical logic. Several loop circuits have been operated to demonstrate a…”
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Red-shift of stimulated emission in ZnSe-based semiconductors by Higgs, C., Blewett, I.J., Galbraith, I., Gallaher, N.R., Kar, A.K., Wherrett, B.S.

“…A red-shift in the stimulated emission wavelength with increasing intensity is observed using picosecond laser excitation of molecular-beam-epitaxial ZnSe…”
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Design and modeling of asymmetric Fabry-Perot electrooptic modulators containing a polymeric film by Wang, C.H., Lloyd, A.D., Wherrett, B.S.

“…Asymmetric Fabry-Perot modulators containing an electrooptic polymeric film are described. The designs of these structures are optimized for reflection…”
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Nanosecond optical excitation dynamics of long M-state lifetime bacteriorhodopsin films by Bacon, M, Wang, C.H, Kar, A.K, Baxter, R.L, Wherrett, B.S

“…Dynamic parameters relevant to the performance of bacteriorhodopsin (bR) as an optical cache memory are reported. The thermal relaxation of the M-state…”
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Theory of degenerate four-wave mixing in picosecond excitation-probe experiments by Wherrett, B., Smirl, A., Boggess, T.

“…A comparative theoretical study of the transient grating coherent effects in resonant picosecond excitation-probe experiments is presented. Signals in both the…”
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An electro-optic Fabry-Pérot through-plane-modulator based on a Langmuir-Blodgett film by Cresswell, J.P., Petty, M.C., Wang, C.H., Wherrett, B.S., Ali-Adib, Z., Hodge, P., Ryan, T.G., Allen, S.

“…An electrically controlled Fabry-Pérot optical modulator is described. A modulating material fabricated from a Langmuir-Blodgett film was used as the spacer…”
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Theory of the Polarization Dependence of Two-photon Absorption in Zinc-blende Semiconductors by Hutchings, D.C., Wherrett, B.S.

“…The polarization dependence of two-photon absorption is calculated for several zinc-blende semiconductors. The spectral dependence of the linear/circular…”
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Comparison of optical nonlinearities in piezoelectric strained [111]- and [001]-grown (In,Ga)As/(Al,Ga)As quantum wells by Livingstone, M., Galbraith, I., Wherrett, B. S.

“…The nonlinear absorption and refractive index spectra for [111]- and [001]-grown (In,Ga)As/(Al,Ga)As single strained-layer quantum-well structures are…”
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Carrier dynamics and emission-line narrowing in n- and p-type molecular-beam grown ZnSe epilayers by BOLGER, J. A, KAR, A. K, WHERRETT, B. S, PRIOR, K. A, SIMPSON, J, WANG, S. Y, CAVENETT, B. C

“…Carrier recombination processes in thin-film epitaxial ZnSe are investigated using a transient-grating technique. For photoexcitation levels in the 1017–1018…”
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One-electron theory of nonlinear refraction by Wherrett, B. S.

“…The design of optically bistable cavities for low-power switching requires an understanding of the variation of nonlinearities in refractive index with…”
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Picosecond transient orientational and concentration gratings in germanium by Smirl, A., Boggess, T., Wherrett, B., Perryman, G., Miller, A.

“…We present and discuss the results of picosecond transient grating self-diffraction measurements in germanium that can be understood in terms of an…”
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Picosecond measurement of Auger recombination rates in InGaAs by PRISE, M. E, TAGHIZADEH, M. R, SMITH, S. D, WHERRETT, B. S

“…The picosecond decay of carriers in InGaAs, following photo excitation at photon energies just above the band edge, has been measured. A mode-locked…”
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