17 citations · 17 across the 2 of their papers we have counts for
4 papers
Spontaneous emission enhancement from polymer-embedded colloidal PbS nanocrystals into Si-based photonics at telecom wavelengths
Markus Humer, Romain Guider, Wolfgang Jantsch +1
We experimentally demonstrate the coupling of optically excited PbS nanocrystal (NC) photoluminescence (PL) into Si-based ring resonators and waveguides at 300K. The PbS NCs are di…
Excitation intensity dependence of photoluminescence spectra of SiGe quantum dots grown on prepatterned Si substrates: Evidence for biexcitonic transition
P. Klenovský, M. Brehm, V. Křápek +7
The pumping intensity (I) dependence of the photoluminescence (PL) spectra of perfectly laterally two-dimensionally ordered SiGe quantum dots on Si(001) substrates was studied. The…
Intra-valence-band mixing in strain-compensated SiGe quantum wells
S. Tsujino, A. Borak, C. Falub +4
We explore the midinfrared absorption of strain-compensated p-Si0.2Ge0.8/Si quantum wells for various well thicknesses and temperatures. Owing to the large band offset due to the l…
IV-VI resonant cavity enhanced photodetectors for the midinfrared
M. Boeberl, T. Fromherz, T. Schwarzl +2
A resonant-cavity enhanced detector operating in the mid-infrared at a wavelength around 3.6 micron is demonstrated. The device is based on a narrow-gap lead salt heterostructure g…