Coherent THz wave combiner composed of arrayed uni-traveling carrier photodiodes and planar lightwave circuit

K. Sakuma; J. Haruki; G. Sakano; Kazutoshi Kato; S. Hisatake; T. Nagatsuma

doi:10.1117/12.2212017

Coherent THz wave combiner composed of arrayed uni-traveling carrier photodiodes and planar lightwave circuit

K. Sakuma, J. Haruki, G. Sakano, Kazutoshi Kato, S. Hisatake, T. Nagatsuma

Integrated Electronic Systems

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Citations (Scopus)

Abstract

For high-power THz wave generation by photomixing of two lightwaves, we proposed the synchronous power combiner which consists of eight-arrayed photomixers/antennas and the THz phase control system. We experimentally confirmed the effectiveness of the power combination by synchronizing the phases of the THz wave by the mechanical optical delay lines and also demonstrated the same functionality at the lightwave-circuit-based optical phase control system. We found that the directional gain is increasing with increasing the number of photomixers from two to three and it reached up to 4.5 dB.

Original language	English
Title of host publication	Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications IX
Editors	Laurence P. Sadwick, Tianxin Yang
Publisher	SPIE
Volume	9747
ISBN (Electronic)	9781628419825
DOIs	https://doi.org/10.1117/12.2212017
Publication status	Published - Jan 1 2016
Event	Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications IX - San Francisco, United States Duration: Feb 15 2016 → Feb 18 2016

Other

Other	Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications IX
Country/Territory	United States
City	San Francisco
Period	2/15/16 → 2/18/16

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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10.1117/12.2212017

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Sakuma, K., Haruki, J., Sakano, G., Kato, K., Hisatake, S., & Nagatsuma, T. (2016). Coherent THz wave combiner composed of arrayed uni-traveling carrier photodiodes and planar lightwave circuit. In L. P. Sadwick, & T. Yang (Eds.), Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications IX (Vol. 9747). [97471O] SPIE. https://doi.org/10.1117/12.2212017

Coherent THz wave combiner composed of arrayed uni-traveling carrier photodiodes and planar lightwave circuit. / Sakuma, K.; Haruki, J.; Sakano, G. et al.
Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications IX. ed. / Laurence P. Sadwick; Tianxin Yang. Vol. 9747 SPIE, 2016. 97471O.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Sakuma, K, Haruki, J, Sakano, G, Kato, K, Hisatake, S & Nagatsuma, T 2016, Coherent THz wave combiner composed of arrayed uni-traveling carrier photodiodes and planar lightwave circuit. in LP Sadwick & T Yang (eds), Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications IX. vol. 9747, 97471O, SPIE, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications IX, San Francisco, United States, 2/15/16. https://doi.org/10.1117/12.2212017

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AU - Hisatake, S.

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N2 - For high-power THz wave generation by photomixing of two lightwaves, we proposed the synchronous power combiner which consists of eight-arrayed photomixers/antennas and the THz phase control system. We experimentally confirmed the effectiveness of the power combination by synchronizing the phases of the THz wave by the mechanical optical delay lines and also demonstrated the same functionality at the lightwave-circuit-based optical phase control system. We found that the directional gain is increasing with increasing the number of photomixers from two to three and it reached up to 4.5 dB.

AB - For high-power THz wave generation by photomixing of two lightwaves, we proposed the synchronous power combiner which consists of eight-arrayed photomixers/antennas and the THz phase control system. We experimentally confirmed the effectiveness of the power combination by synchronizing the phases of the THz wave by the mechanical optical delay lines and also demonstrated the same functionality at the lightwave-circuit-based optical phase control system. We found that the directional gain is increasing with increasing the number of photomixers from two to three and it reached up to 4.5 dB.

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Coherent THz wave combiner composed of arrayed uni-traveling carrier photodiodes and planar lightwave circuit

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