Robust fiber-based frequency synchronization system immune to strong temperature fluctuation

Xi Zhu; Bo Wang; Yichen Guo; Yibo Yuan; Romeo Gamatham; Bruce Wallace; Keith Grainge; Lijun Wang

doi:10.3788/COL201816.010605

Journals >Chinese Optics Letters >Volume 16 >Issue 1 >Page 010605 > Article

Chinese Optics Letters
Vol. 16, Issue 1, 010605 (2018)

Robust fiber-based frequency synchronization system immune to strong temperature fluctuation | On the Cover

Xi Zhu^1、2, Bo Wang^1、*, Yichen Guo¹, Yibo Yuan², Romeo Gamatham³, Bruce Wallace³, Keith Grainge⁴, and Lijun Wang^1、2

Author Affiliations

¹State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, China

²Department of Physics, Tsinghua University, Beijing 100084, China

³SKA South Africa, Blend on Baker, Rosebank 2196, Johannesburg, South Africa

⁴Jodrell Bank Centre for Astrophysics, Alan Turing Building, School of Physics & Astronomy, The University of Manchester, Oxford Road, Manchester M13 9PL, UK

show less

DOI: 10.3788/COL201816.010605 Cite this Article Set citation alerts

Xi Zhu, Bo Wang, Yichen Guo, Yibo Yuan, Romeo Gamatham, Bruce Wallace, Keith Grainge, Lijun Wang. Robust fiber-based frequency synchronization system immune to strong temperature fluctuation[J]. Chinese Optics Letters, 2018, 16(1): 010605 Copy Citation Text

EndNote(RIS)

BibTex

Plain Text

show less

(Color online) Frequency dissemination stability result with and without phase-noise compensation through overhead fiber at the SKA South African site.

Fig. 1. (Color online) Frequency dissemination stability result with and without phase-noise compensation through overhead fiber at the SKA South African site.

Download full size | View in the Article

Fig. 2. Schematic diagram of the harmonic reference frequency synchronization scheme.

Download full size | View in the Article

Fig. 3. (Color online) (a) Ambient temperature of the fiber link fluctuating 10°C, 20°C, 30°C, and 40°C per day. (b) Measured frequency dissemination stability with strong temperature fluctuation.

Download full size | View in the Article

Fig. 4. Schematic diagram of non-harmonic precision reference frequency synchronization scheme. 1fa, 1 GHz + 130 Hz signal phase-locked to OCXO; 1fb, 1 GHz−130 Hz signal phase-locked to OCXO.

Download full size | View in the Article

Fig. 5. (Color online) Measured frequency dissemination stabilities of non-harmonic system for 50 km distance with temperature fluctuating 40°C/day and 20°C/h.

Download full size | View in the Article