A bi-functional quantum cascade device for same-frequency lasing and detection

Schwarz, B., P. Reininger, H. Detz, T. Zederbauer, A. Maxwell Andrews, S.
Kalchmair, W. Schrenk, O. Baumgartner, H. Kosina, and G. Strasser.
Applied Physics Letters 101.19 (2012), p. 191109.