Unipolar avalanche multiplication phenomenon in multiquantum well structures

Toivonen, M.; Jalonen, M.; Salokatve, A.; Pessa, M.
April 1993
Applied Physics Letters;4/5/1993, Vol. 62 Issue 14, p1664
Academic Journal
Observes the unipolar electron impact ionization and multiplication in photodiodes consisting of multiquantum well heterostructures. Origin of the unipolar avalanche multiplication; Generation of electrons by photon absorption; Scatter of ionized electrons in the barrier layers of the superlattice.


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