Quantum cascade transmitters for ultra-sensitive chemical agent and explosives detection

John F. Schultz, Matthew S. Taubman, Warren W. Harper, Richard M. Williams, Tanya L. Myers, Bret D. Cannon, David M. Sheen, Norman C. Anheier, Paul J. Allen, S. K. Sundaram, Bradley R. Johnson, Pamela M. Aker, Ming C. Wu, Erwin K. Lau