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The coupling of a low-temperature, weakly-ionized gas phase plasma with the electron-hole (e−-h+) plasma of a semiconductor was demonstrated in 2010 by Wagner, Tchertchian and Eden in the form of the plasma bipolar junction transistor (PBJT).1 By specifying the densities of electrons in both the conduction band and the valence band, the electronic properties of the surface of the semiconductor base...
Coupling semiconductor (e−-h+) and gas phase plasmas with a strong electric field yields a transistor exhibiting photosensitivity and voltage gain but also a light-emitting collector whose radiative output can be switched and modulated.
A distributed feedback laser has been demonstrated as a label free biosensor. The stimulated emission wavelength changes with the refractive index variations on the sensor surface. The sensor exhibits high resolution and wide dynamic range.
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