%0 Journal Article %T Multiple graphene-layer-based heterostructures with van der Waals barrier layers for terahertz superluminescent and laser diodes with lateral/vertical current injection %A Ryzhii, V %A Ryzhii, M %A Otsuji, T %A E Karasik, V %A Leiman, V %A Mitin, V %A Shur, M S %J Semiconductor Science and Technology %V 35 %N 8 %P 9 %@ 0268-1242 %D 2020-07-15 %~ DeepDyve