At a Glance
Heterodyne receivers enable communication and sensing at intermediate frequencies up to 40 GHz and carrier frequencies from 0.1 THz to 5 THz
Technical Background
Photoconductive terahertz receivers are photomixers that use an optical beating as a local oscillator, enabling continuous operation from 100 GHz to 5 THz. As core elements of photonic THz systems, they are proven in non destructive testing and spectroscopy. Leveraging recent advances in materials and high frequency design at Fraunhofer HHI, our heterodyne photomixers deliver high intermediate frequency bandwidth and unmatched carrier agility, opening new capabilities for 6G communications and sensing.
Features
- Operation from 0.1 to 5 THz
- 40 GHz IF-output with 1.85 mm connector
- Conversion gain of up to -22 dB
- Robust housing, fiber coupling and bias-free
Applications
- mmWave and THz communication
- Ultra-broadband agile channel sounding and ranging
- Ultra-wide frequency hopping
- Spectroscopy
Specifications
- Conversion gain: -22 dB at 120 GHz
- IF bandwidth:
25 GHz (3dB)
40 GHz (6dB) - Carrier frequency range: 0.1 to 5 THz
- Optical wavelenght (LO): 1.55 μm
- Sensitivity: >0.24 fW/Hz
