APPLIED PHYSICS LETTERS, vol. 93, no. 24, page. 241113, 2008-12-15
IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY, vol. 2, no. 5, page. 485 - 492, 2012-09
IEEE Microwave and Wireless Components Letters, vol. 22, no. 7, page. 363 - 365, 2012-07