High conversion efficiency terahertz generation using antenna-coupled silicon integrated Ge photodiodes (Conference Presentation)

Peter Offermans; Lei Zhang; Peter de Heyn; Gonzalo Vaca Castano; Sofie Janssen; Sadhishkumar Balakrishnan; Xavier Rottenberg; Joris Van Campenhout

doi:10.1117/12.2513672

5 March 2019 High conversion efficiency terahertz generation using antenna-coupled silicon integrated Ge photodiodes (Conference Presentation)

Peter Offermans, Lei Zhang, Peter de Heyn, Gonzalo Vaca Castano, Sofie Janssen, Sadhishkumar Balakrishnan, Xavier Rottenberg, Joris Van Campenhout

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Proceedings Volume 10916, Ultrafast Phenomena and Nanophotonics XXIII; 109161C (2019) https://doi.org/10.1117/12.2513672
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

Terahertz (THz) imaging has progressed tremendously due the continuous development of new THz emitters and detectors. However, highly integrated array devices are desired for fast THz imaging. Advanced features such as beam steering and phase contrast imaging may be realized using more complex systems that require tight integration. Silicon photonics is an enabler for CW THz applications such as imaging and high-speed communication because of low cost and high level of integration. We present results of our research on continuous-wave THz generation using antennacoupled silicon-germanium photodiodes. THz emission up to 2.2 THz has been demonstrated.

Conference Presentation

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Peter Offermans, Lei Zhang, Peter de Heyn, Gonzalo Vaca Castano, Sofie Janssen, Sadhishkumar Balakrishnan, Xavier Rottenberg, and Joris Van Campenhout "High conversion efficiency terahertz generation using antenna-coupled silicon integrated Ge photodiodes (Conference Presentation)", Proc. SPIE 10916, Ultrafast Phenomena and Nanophotonics XXIII, 109161C (5 March 2019); https://doi.org/10.1117/12.2513672

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KEYWORDS

Terahertz radiation

Photodiodes

Silicon

Germanium

Beam steering

Complex systems

Continuous wave operation

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