Publication Details Author Kartik Srinivasan Oskar Painter Raffaele Colombelli Claire Gmachl Donald Tennant Michael Sergent Deborah Sivco Alfred Cho Mariano Troccoli Federico Capasso Publication Type Journal Article Year of Publication 2004 Volume 84 Number of Pages 4164-4166 ISSN Number 0003-6951, 1077-3118 DOI 10.1063/1.1755423 URL http://aip.scitation.org/doi/10.1063/1.1755423 Journal Applied Physics Letters DOIGoogle Scholar Contributors Groups Srinivasan Research Group