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|Author(s):||Jason A. DeSalvo; Archita Hati; Craig W. Nelson; David A. Howe;|
|Title:||Phase-Noise Measurement System for the Terahertz-Band|
|Published:||November 30, 2012|
|Abstract:||We present initial phase noise measurements in support of terahertz electronics, in the frequency range generally regarded as 0.1 to 10 THz. Using digital phase noise measurement techniques and an even-harmonic mixer, we achieve a phase noise measurement system in waveguide (WR1.5). At 670 GHz an upper bound of this system‰s noise floor is found to be -20, -40, and -60 dBc/Hz at 1, 100, and 10000 Hz offsets, respectively. In addition a low phase noise 670 GHz source is measured at offset frequencies from 0.1 Hz to 1 MHz.|
|Citation:||IEEE Transactions on Terahertz Science and Technology|
|Pages:||pp. 638 - 641|
|Keywords:||frequency control,harmonic mixers,metrology,phase noise,submillimeter wave measurements|