Stable coherent dual comb generator with dual-heterodyne phase error transfer and heterodyne optical phase-locked loop

Yitian Tong; Zhangweiyi Liu; Baiyu Li; Qian Zhou; Yi Dong; Weisheng Hu

doi:10.1117/12.2195291

5 August 2015 Stable coherent dual comb generator with dual-heterodyne phase error transfer and heterodyne optical phase-locked loop

Yitian Tong, Zhangweiyi Liu, Baiyu Li, Qian Zhou, Yi Dong, Weisheng Hu

Author Affiliations +

Proceedings Volume 9619, 2015 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing; 96190C (2015) https://doi.org/10.1117/12.2195291
Event: International Conference on Optical Instruments and Technology 2015, 2015, Beijing, China

Abstract

We demonstrate a stable coherent dual comb generator with two phase/intensity-modulated combs. The optical fiber path induced phase fluctuation results in the coherent dual comb beating phase noise. We transfer this phase noise to a 40MHz intermediate frequency with dual-heterodyne phase error transfer, decreasing by a phase-locked loop and optical phase locked loop. Under the scheme, stable coherent dual comb with slightly different repetition rates and offset frequency is generated.

Citation Download Citation

Yitian Tong, Zhangweiyi Liu, Baiyu Li, Qian Zhou, Yi Dong, and Weisheng Hu "Stable coherent dual comb generator with dual-heterodyne phase error transfer and heterodyne optical phase-locked loop", Proc. SPIE 9619, 2015 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing, 96190C (5 August 2015); https://doi.org/10.1117/12.2195291

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