Dual-wavelength lasing in three-barrier heterostructures with coherent electron transport

E. I. Golant^ab, A. A. Kapralova^ab, V. M. Lukashin^ab, A. B. Pashkovskii<sup>ab

a</sup> Research and Production Corporation "Istok" named after Shokin, Fryazino, Moskovskaya obl.
^b Research Institute for Microelectronics and Information-Measurement Techniques, Moscow State Institute of Electronics and Mathematics (Technical University), Moscow, 109028, Russia

Abstract: An analytical solution of the Schrödinger equation that describes resonance transitions between three equidistant quantum levels has been generalized to the case of a two-frequency electric field. It is shown that this structure can be absolutely transparent for electrons in a broad range of amplitudes of the applied electric field, and the quantum efficiency of generation at each of the two frequencies (with allowance for a finite width of the resonance levels) can reach 80%.

Received: 06.05.2010

 English version: Technical Physics Letters, 2010, 36:12, 1076–1078

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