Continuous Wave Terahertz Generation From Ultra-Fast InP-Based Photodiodes

We present theoretical analysis and experimental results for an optimized Traveling Wave Uni-Traveling Carrier Photodiode for continuous wave millimeter-wave and Terahertz generation. The devices employed a mode-converting waveguide for efficient coupling from a lensed fiber. A DC responsivity of 0....

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Veröffentlicht in:	IEEE transactions on microwave theory and techniques 2012-03, Vol.60 (3), p.509-517
Hauptverfasser:	Rouvalis, E., Renaud, C. C., Moodie, D. G., Robertson, M. J., Seeds, A. J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Antenna measurements Antennas Applied sciences Broadband Broadband antennas Circuit properties Continuous wave Design. Technologies. Operation analysis. Testing Devices Electric power generation Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Frequency measurement Integrated circuits Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Microwaves Optical mixing Optical waveguides Photodetectors Photodiodes photomixing Power measurement Probes Radiocommunications Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices submillimeter-wave generation Telecommunications Telecommunications and information theory Terahertz Wavelengths
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Beschreibung
Zusammenfassung:	We present theoretical analysis and experimental results for an optimized Traveling Wave Uni-Traveling Carrier Photodiode for continuous wave millimeter-wave and Terahertz generation. The devices employed a mode-converting waveguide for efficient coupling from a lensed fiber. A DC responsivity of 0.53 A/W at a wavelength of 1.55 μm and 3-dB electrical bandwidth of 108 GHz were obtained from temperature-controlled coplanar waveguide-integrated devices together with record levels of power from a photomixer in the millimeter-wave range with 1 mW at 200 GHz. High levels of Terahertz output power from broadband, heat sink-mounted antenna-integrated devices were measured with 5 μW at 1.02 THz.
ISSN:	0018-9480 1557-9670
DOI:	10.1109/TMTT.2011.2178858