103 results on '"Warde, E."'
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2. New developments for nitride unipolar devices at 1.3–1.5 μm wavelengths
3. Systematic study of near-infrared intersubband absorption of polar and semipolar GaN/AlN quantum wells.
4. Ballistic transport in GaN/AlGaN resonant tunneling diodes.
5. Search for Narrow Dibaryon Resonances in the PPπ° Channel
6. Search for Strange Sixquark States in PP → K+X Missing Mass Spectra
7. Hyperon-nucleon final-state interaction in a pp→K+X experiment and the H1+(2130)S=−1 strange dibaryon
8. Search for Strange Sixquark States in PP → K+X Missing Mass Spectra
9. Search for Narrow Dibaryon Resonances in the PPπ° Channel
10. Systematic study of near-infrared intersubband absorption of polar and semipolar GaN/AlN quantum well
- Abstract
We report on the observation of intersubband absorption in GaN/AlN quantum well superlattices grown on (11
![]("http://jap.aip.org/math_images/JAPIAU/vol_113/iss_14/143109_1/143109_1-ft-d4e1233.gif")
2)-oriented GaN. The absorption is tuned in the 1.5–4.5 μm wavelength range by adjusting the well thickness. The semipolar samples are compared with polar samples with identical well thickness grown during the same run. The intersubband absorption of semipolar samples shows a significant red shift with respect to the polar ones due to the reduction of the internal electric field in the quantum wells. The experimental results are compared with simulations and confirm the reduction of the polarization discontinuity along the growth axis in the semipolar case. The absorption spectral shape depends on the sample growth direction: for polar quantum wells the intersubband spectrum is a sum of Lorentzian resonances, whereas a Gaussian shape is observed in the semipolar case. This dissimilarity is explained by different carrier localization in these two cases., Funding Agencies|EC FET-OPEN project Unitride|233950|EU ERC-StG under project TeraGaN|278428|French National Research Agency under project COSNI|ANR-08-BLAN-0298-01
11. A simplified GaN/AlGaN quantum cascade detector with an alloy extractor
12. Calibration of the calorimeter POMME at proton energies between 1.05 and 2.4 GeV
13. Near-threshold production of $\omega$ mesons in the $pd\rightarrow^3$He\omega$ reaction
14. Origin of the electrical instabilities in GaN/AlGaN double-barrier structure
15. Intersubband absorption of cubic GaN/Al(Ga)N quantum wells in the near-infrared to terahertz spectral range
16. Near-threshold production of $\omega$ mesons in the $pd \to ^{3}He\omega$ reaction
17. GaN/AlGaN intersubband optoelectronic devices
18. Electro-optical intersubband modulators at telecommunication wavelengths based on GaN/AlN quantum wells
19. Hypernucleus production on light nuclei
20. Inclusive measurement of meson production near threshold with the reaction p+d $\rightarrow ^3$He+x
21. Polarization transfer in $^1$H($\vec{d},\vec{p}$)X at 2.1 GeV
22. Radial excitation of the nucleon to the $P_{11}$(1440 MeV) resonance in alpha-proton scattering
23. Nitride intersubband devices: prospects and recent developments
24. Short-wavelength intersubband electroabsorption modulation based on electron tunneling between GaN∕AlN coupled quantum wells
25. Total cross sections for the pp $\pi^0$ channel in the inelastic pp interaction
26. Systematic experimental and theoretical investigation of intersubband absorption inGaN∕AlNquantum wells
27. Intraband Transitions on GaN/AlN Quantum Wells Grown on Sapphire (0001) and 6H-SiC Substrates
28. Intersubband absorptions in doped and undoped GaN/AlN quantum wells at telecommunication wavelengths
29. Intersubband spectroscopy of doped and undoped GaN/AlN quantum wells grown by molecular-beam epitaxy
30. Unipolar Optoelectronic Devices.
31. Search for very light lambda hypernuclei in proton induced reactions
32. Observation of η′ and φ meson production very close to threshold in the reaction
33. Calibration of the polarimeter POMME at proton energies between 1.05 and 2.4 GeV
34. Short range correlations and P-induced production of very light hypernuclei
35. Near-threshold production of ω mesons in thepd→3Heω reaction
36. High resolution study ofhyperon-nucleon interactions by associated strangeness production in pp collisions
37. Axial and pseudoscalar nucleon form factors from low energy pion electroproduction
38. T20in the inclusive breakup of 4.5 GeV polarizedLi6
39. Radial excitation of the nucleon to theP11(1440 MeV) resonance in alpha-proton scattering
40. Polarization transfer in at 2.1 GeV
41. Total cross sections for the ppπ0 channel in the inelastic pp interaction
42. Forward-angle charged-pion electroproduction in the deuteron
43. Hyperon-nucleon final-state interaction in a pp→KX experiment and the H(2130) S=−1 strange dibaryon.
44. Search for strange (s = -1) dibaryons in the reaction pp $\rightarrow$ k+X
45. $^{181}$Ta(p,$\alpha$)$^{179}$Ta reaction: evidence for particle-core coupling
46. Cross section and $T_{20} in $0^o$ deuteron breakup at 2.1 GeV
47. Band structure in $^{180}$Ta studied with transfer reactions
48. Search for strange sixquark states in pp $\rightarrow$ K$^+$ X missing mass spectra
49. Hyperon-nucleon final-state interaction in a pp $\rightarrow$ K$^+$ X experiment and the H$^+_l$(2130) S=-1 strange dibaryon
50. Search for narrow dibaryon resonances in the pp $\pi^0$ channel
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