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The authors, in the present work, described a new microvolume spectrophotometric method for extraction, preconcentration and determination of extremely low quantities of bismuth in waters and roadside soil. The strategy of method is based on the formation of an ionic pair between [BiI4]− and trioctylamine [TOA]+ in aqueous phase and extraction of this ion associate by cloud point extraction technique...
We report the first experimental observation of different forms of polarization switching and bistability in an optically injected 1300nm dilute nitride spin-VCSEL and for both (right- and left-) circularly polarized modes of the device.
We report the first quantum dot semiconductor disk laser operating at 1300 nm under continuous optical pumping at room temperature. A threshold power of 21 mW and output power above 0.5 mW have been achieved.
We report the first optical injection experiment on a dilute nitride 1300 nm spin-VCSEL at room temperature. Effective control of the polarization of the light emitted by the spin-VCSEL is theoretically predicted and experimentally demonstrated.
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