Continuous-wave interband cascade lasers operating above room temperature at λ = 47-56 μm Bewley, William W. ; Canedy, Chadwick L. ; Kim, Chul Soo ; Kim, Mijin ; Merritt, Charles D. ; Abell, Joshua ; Vurgaftman, Igor ; Meyer, Jerry R. Abstract Publication: Optics Express Pub Date: January 2012 DOI: 10.1364/OE.20.003235 Bibcode: 2012OExpr..20.3235B