A photomixer local oscillator for a 630-GHz heterodyne receiver
作者： Simon Verghese , Erik K Duerr , KA McIntosh , Sean M Duffy , Stephen D Calawa
DOI: 10.1109/75.769535
关键词:
摘要: A photomixer local oscillator (LO) operating at the 630-GHz difference frequency of two laser diodes was successfully demonstrated with a heterodyne detector based on niobium superconducting tunnel junction. The low-temperature-grown GaAs generated 0.20 /spl mu/W in input spatial mode receiver. Using LO, double-sideband noise temperature receiver 331 K-in good agreement 323 K obtained when multiplied Gunn generating 0.25 substituted for photomixer.
harvard.edu
sci-hub.se 参考文章(8)
S. Verghese, K. A. McIntosh, E. R. Brown, Optical and terahertz power limits in the low-temperature-grown GaAs photomixers Applied Physics Letters. ,vol. 71, pp. 2743- 2745 ,(1997) , 10.1063/1.120445
Pin Chen, Geoffrey A. Blake, M. C. Gaidis, E. R. Brown, K. A. McIntosh, S. Y. Chou, M. I. Nathan, F. Williamson, Spectroscopic applications and frequency locking of THz photomixing with distributed-Bragg-reflector diode lasers in low-temperature-grown GaAs Applied Physics Letters. ,vol. 71, pp. 1601- 1603 ,(1997) , 10.1063/1.119845
B.S. Karasik, M.C. Gaidis, W.R. McGrath, B. Bumble, H.G. LeDuc, A low-noise 2.5 THz superconductive Nb hot-electron mixer IEEE Transactions on Applied Superconductivity. ,vol. 7, pp. 3580- 3583 ,(1997) , 10.1109/77.622174
K. A. McIntosh, E. R. Brown, K. B. Nichols, O. B. McMahon, W. F. DiNatale, T. M. Lyszczarz, Terahertz measurements of resonant planar antennas coupled to low‐temperature‐grown GaAs photomixers Applied Physics Letters. ,vol. 69, pp. 3632- 3634 ,(1996) , 10.1063/1.117006
Mei Bin, M.C. Gaidis, J. Zmuidzinas, T.G. Phillips, H.G. LeDuc, Quasi-optical SIS mixers with normal metal tuning structures IEEE Transactions on Applied Superconductivity. ,vol. 7, pp. 3584- 3588 ,(1997) , 10.1109/77.622176
K. A. McIntosh, E. R. Brown, K. B. Nichols, O. B. McMahon, W. F. DiNatale, T. M. Lyszczarz, Terahertz photomixing with diode lasers in low‐temperature‐grown GaAs Applied Physics Letters. ,vol. 67, pp. 3844- 3846 ,(1995) , 10.1063/1.115292
Steve B. Waltman, Leo W. Hollberg, Alexander K. McIntosh, Elliott R. Brown, Demonstration of a Phase-Lockable Microwave to Submillimeter-Wave Sweeper SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation. ,vol. 2842, pp. 55- 58 ,(1996) , 10.1117/12.262739
S. Verghese, K.A. McIntosh, E.R. Brown, Highly tunable fiber-coupled photomixers with coherent terahertz output power IEEE Transactions on Microwave Theory and Techniques. ,vol. 45, pp. 1301- 1309 ,(1997) , 10.1109/22.618428