Studies of exciton localization in quantum-well structures by nonlinear-optical techniques

J Hegarty, MD Sturge - JOSA B, 1985 - opg.optica.org
… where ΔE =E m − E x , E m being the position of the mobility edge and E x the energy of
the exciton. There can also be variable range hopping,[2],[37] in which the exciton hops to …

Optical absorption of gallium arsenide between 0.6 and 2.75 eV

MD Sturge - Physical Review, 1962 - APS
The optical absorption coefficient of high-resistivity gallium arsenide has been measured
over the range of photon energy 0.6 to 2.75 eV, at temperatures from 10 to 294 K. The main …

The Jahn-Teller effect in solids

MD Sturge - Solid state physics, 1968 - Elsevier
Publisher Summary The Jahn–Teller effect is the intrinsic instability of an electronically
degenerate complex against distortions that remove the degeneracy. Until recently, most of the …

Linewidth and Temperature Shift of the R Lines in Ruby

DE McCumber, MD Sturge - Journal of Applied Physics, 1963 - pubs.aip.org
Improved experimental data have been obtained between 20 and 350K for the widths and
temperature shifts of the R lines in ruby. Above 77K the results can be accurately described in …

Two-dimensional electron gas at a semiconductor-semiconductor interface

…, AC Gossard, W Wiegmann, MD Sturge - Solid state …, 1979 - Elsevier
… Cyclotron resonance data establish an effective mass of l.ll m~, where m~ is the mass at the
… Assuming the relevant effective mass to be the bulk mass of GaAs (m~ = 0.0665 moB) and …

Relation between Absorption and Emission in the Region of the Lines of Ruby

DF Nelson, MD Sturge - Physical review, 1965 - APS
We have measured the radiative efficiency (ratio of R-line photons to the total number of
photons emitted) and absorption cross sections for the R lines of dilute ruby, as a function of …

Motional narrowing in semiconductor microcavities

…, MS Skolnick, A Armitage, AM Afshar, MD Sturge… - Physical review …, 1996 - APS
The linewidths of exciton features in spectra from semiconductor quantum wells normally
correspond directly to the width of the probability distribution of the disorder potential causing …

Fluorescence line narrowing, localized exciton states, and spectral diffusion in the mixed semiconductor

E Cohen, MD Sturge - Physical Review B, 1982 - APS
… if the transfer matrix element M satisfies M & h.R. For tunneling between isolated states, …
Turning now to the evaluation of i M„& ~, we can factor out the dependence on the electron …

Temperature Dependence of the Width and Position of the Fluorescence Lines of and in MgO

…, WM Yen, AL Schawlow, DE McCumber, MD Sturge - Physical Review, 1964 - APS
… phonon spectrum and can be used to establish an approximation for p(~) independent of
the arbitrary parameter en in the D'ebye model of McCumber and Sturge. The sharp line in the …

Electronic structure of copper impurities in ZnO

RE Dietz, H Kamimura, MD Sturge, A Yariv - Physical Review, 1963 - APS
We have measured the near infrared absorption, Zeeman effect, and electron spin resonance
of Cu 2+ ions introduced as a substitutional impurity into single-crystal ZnO. From the g …