TY - JOUR AU - Gao, J. R. AU - Hovenier, J. N. AU - Yang, Z. Q. AU - Baselmans, J. J. A. AU - Baryshev, A. AU - Hajenius, M. AU - Klapwijk, T. M. AU - Adam, A. J. L. AU - Klaassen, T. O. AU - Williams, B. S. AU - Kumar, S. AU - Hu, Q. AU - Reno, J. L. PY - 2005 DA - 2005// TI - Terahertz heterodyne receiver based on a quantum cascade laser and a superconducting bolometer T2 - Appl. Phys. Lett. JO - Appl. Phys. Lett. SP - 244104 (1 to 3) VL - 86 KW - HEB KW - QCL AB - We report the first demonstration of an all solid-stateheterodyne receiver that can be used for high-resolution spectroscopy above 2THz suitable for space-based observatories. The receiver uses a NbN superconducting hot-electron bolometer as mixer and a quantum cascade laser operating at 2.8THz as local oscillator. We measure a double sideband receiver noise temperature of 1400K at 2.8THz and 4.2K, and find that the free-running QCL has sufficient power stability for a practical receiver, demonstrating an unprecedented combination of sensitivity and stability. N1 - exported from refbase (https://db.rplab.ru/refbase/show.php?record=905), last updated on Wed, 26 May 2021 11:24:25 -0500 ID - Gao_etal2005 ER -