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Continuous-wave single-sampling-point characterisation of optoelectronic on-chip terahertz transceiver

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6 Author(s)
T. Gobel ; (Technische Universita¿t Darmstadt, Merckstr. 25, D-64283 Darmstadt, Germany). ; D. Schoenherr ; C. Sydlo ; M. Feiginov
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Fast electro-optic modulation of the terahertz phase, single-sampling-point lock-in detection and the use of interdigitated-finger photomixers improve the dynamic range of the transceiver by several orders of magnitude compared with standard chopping techniques. This allowed the frequency range of the continuous-wave on-chip terahertz transceiver to be extended beyond 1 THz, which is roughly a factor of five improvement compared to previous reports.

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Electronics Letters  (Volume:45 ,  Issue: 23 )