منابع مشابه
Novel Broadband Photodetector for Optical Communication
Broadband photodetector having detection capability ranging from visible to near infrared can be useful as a common detector for both data and transport applications. The capability of using single detector for all application in optical communication as the receiver, not only makes the total system cost lower, but it also makes easier the system vendors to reduce the inventory. We proposed det...
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Graphene has attracted large interest in photonic applications owing to its promising optical properties, especially its ability to absorb light over a broad wavelength range, which has lead to several studies on pure monolayer graphene-based photodetectors. However, the maximum responsivity of these photodetectors is below 10 mA W(-1), which significantly limits their potential for application...
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: We report the fabrication and characterization of a ten-period Ge quantum dot photodetector grown on SiGe pseudosubstrate. The detector exhibits tunable photoresponse in both 3- to 5- μm and 8- to 12- μm spectral regions with responsivity values up to about 1 mA/W at a bias of -3 V and operates under normal incidence radiation with background limited performance at 100 K. The relative respons...
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Recently, very exciting optoelectronic properties of Topological insulators (TIs) such as strong light absorption, photocurrent sensitivity to the polarization of light, layer thickness and size dependent band gap tuning have been demonstrated experimentally. Strong interaction of light with TIs has been shown theoretically along with a proposal for a TIs based broad spectral photodetector havi...
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ژورنال
عنوان ژورنال: Advanced Materials
سال: 2017
ISSN: 0935-9648,1521-4095
DOI: 10.1002/adma.201700463