Herbert Kroemer

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The Royal Swedish Academy of Sciences has awarded the Nobel Prize in Physics " for basic work on information and communication technology " The prize is being awarded with one half jointly to " for developing semiconductor heterostructures used in high-speed-and opto-electronics " and one half to Modern information and communication technology is one of the(More)
We analyze the current dynamics of a superlattice Bloch oscillator under conditions where, in addition to the dc bias field causing a negative differential ac conductivity, a similarly strong ac field is present, at a frequency somewhat below the Bloch frequency associated with the dc field. The differential conductivity at the ac drive frequency is then(More)
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