Power-efficient UWB generation based on hybrid of optical fiber link and RF circuits

Jianji Dong; Yu Yu; Dexiu Huang; Xinliang Zhang

doi:10.1117/12.999426

5 December 2012 Power-efficient UWB generation based on hybrid of optical fiber link and RF circuits

Jianji Dong, Yu Yu, Dexiu Huang, Xinliang Zhang

Proceedings Volume 8562, Infrared, Millimeter-Wave, and Terahertz Technologies II; 85621M (2012) https://doi.org/10.1117/12.999426
Event: Photonics Asia, 2012, Beijing, China

Abstract

We propose a low cost solution to generate power efficient ultra-wideband (UWB) radio frequency (RF) signal based on the hybrid of optical fiber and RF circuits. In our solution, any return-to-zero (RZ) optical pulse with enough bandwidth is transmitted over optical fiber first, then converted to a power-efficient UWB pulse by an electrical bandpass filter (EBPF) with a passband of 3.1-10.6 GHz. The transmission and modulation of UWB signal is processed in optical domain, whereas the generation of UWB is processed in electrical domain. This solution embodies the advantages of both low-loss long-haul transmission of optical fiber and low-cost mature RF circuits. Both UWB modulations of on-off keying (OOK) and binary phase shift keying (BPSK) are experimentally demonstrated. The impacts of RZ pulsewidth and the EBPF bandwidth on the UWB waveforms are also discussed.

Citation Download Citation

Jianji Dong, Yu Yu, Dexiu Huang, and Xinliang Zhang "Power-efficient UWB generation based on hybrid of optical fiber link and RF circuits", Proc. SPIE 8562, Infrared, Millimeter-Wave, and Terahertz Technologies II, 85621M (5 December 2012); https://doi.org/10.1117/12.999426

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KEYWORDS

Signal processing

Optical fibers

Picosecond phenomena

Modulation

Radio frequency circuits

Optical signal processing

Signal generators

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