A simple system for 160GHz optical terahertz wave generation and data modulation

Yihan Li; Jingsuo He; Xueming Sun; Zexia Shi; Ruike Wang; Hailin Cui; Bo Su; Cunlin Zhang

doi:10.1117/12.2295076

12 January 2018 A simple system for 160GHz optical terahertz wave generation and data modulation

Yihan Li, Jingsuo He, Xueming Sun, Zexia Shi, Ruike Wang, Hailin Cui, Bo Su, Cunlin Zhang

Proceedings Volume 10623, 2017 International Conference on Optical Instruments and Technology: IRMMW-THz Technologies and Applications; 106230F (2018) https://doi.org/10.1117/12.2295076
Event: International Conference on Optical Instruments and Technology 2017, 2017, Beijing, China

Abstract

A simple system based on two cascaded Mach-Zehnder modulators, which can generate 160GHz optical terahertz waves from 40GHz microwave sources, is simulated and tested in this paper. Fiber grating filter is used in the system to filter out optical carrier. By properly adjusting the modulator DC bias voltages and the signal voltages and phases, 4-tupling optical terahertz wave can be generated with fiber grating. This notch fiber grating filter is greatly suitable for terahertz over fiber (TOF) communication system. This scheme greatly reduces the cost of long-distance terahertz communication. Furthermore, 10Gbps digital signal is modulated in the 160GHz optical terahertz wave.

Citation Download Citation

Yihan Li, Jingsuo He, Xueming Sun, Zexia Shi, Ruike Wang, Hailin Cui, Bo Su, and Cunlin Zhang "A simple system for 160GHz optical terahertz wave generation and data modulation", Proc. SPIE 10623, 2017 International Conference on Optical Instruments and Technology: IRMMW-THz Technologies and Applications, 106230F (12 January 2018); https://doi.org/10.1117/12.2295076

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