Acta Optica Sinica, Volume. 42, Issue 23, 2306006(2022)

Optical Frequency Transfer over 60 km Urban Telecom Fiber Link

Pengcheng Fang1,2, Zhendi Cai1,2, Huanyao Sun1, Yan Wang1, Yanqi Xu1, and Qunfeng Chen1、*
Author Affiliations
  • 1State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, Hubei , China
  • 2School of Physical Science, University of Chinese Academy of Sciences, Beijing 100049, China
  • show less
    References(23)

    [1] Brewer S M, Chen J S, Hankin A M et al. 27Al+ quantum-logic clock with a systematic uncertainty below 10-18[J]. Physical Review Letters, 123, 033201(2019).

    [2] Oelker E, Hutson R B, Kennedy C J et al. Demonstration of 4.8×10-17 stability at 1 s for two independent optical clocks[J]. Nature Photonics, 13, 714-719(2019).

    [3] Riehle F. Optical clock networks[J]. Nature Photonics, 11, 25-31(2017).

    [4] Lange R, Huntemann N, Rahm J M et al. Improved limits for violations of local position invariance from atomic clock comparisons[J]. Physical Review Letters, 126, 011102(2021).

    [5] McGrew W F, Zhang X, Fasano R J et al. Atomic clock performance enabling geodesy below the centimetre level[J]. Nature, 564, 87-90(2018).

    [6] Williams P A, Swann W C, Newbury N R. High-stability transfer of an optical frequency over long fiber-optic links[J]. Journal of the Optical Society of America B, 25, 1284-1293(2008).

    [7] Droste S, Ozimek F, Udem T et al. Optical-frequency transfer over a single-span 1840 km fiber link[J]. Physical Review Letters, 111, 110801(2013).

    [8] Calonico D, Bertacco E K, Calosso C E et al. High-accuracy coherent optical frequency transfer over a doubled 642-km fiber link[J]. Applied Physics B, 117, 979-986(2014).

    [9] Lisdat C, Grosche G, Quintin N et al. A clock network for geodesy and fundamental science[J]. Nature Communications, 7, 12443(2016).

    [10] Schioppo M, Kronjäger J, Silva A et al. Comparing ultrastable lasers at 7×10-17 fractional frequency instability through a 2220 km optical fibre network[J]. Nature Communications, 13, 212(2022).

    [11] Ma C Q, Wu L F, Jiang Y Y et al. Optical coherence transfer over 50-km spooled fiber with frequency instability of 2×10-17 at 1 s[J]. Chinese Physics B, 24, 084209(2015).

    [12] Ma C Q, Wu L F, Jiang Y Y et al. Coherence transfer of subhertz-linewidth laser light via an 82-km fiber link[J]. Applied Physics Letters, 107, 261109(2015).

    [13] Deng X, Liu J, Jiao D D et al. Coherent transfer of optical frequency over 112 km with instability at the 10-20 level[J]. Chinese Physics Letters, 33, 114202(2016).

    [14] Zang Q, Deng X, Cao Q et al. Ultra-stable optical frequency signal transfer in 210 km urban communication link[J]. Acta Optica Sinica, 37, 0706004(2017).

    [15] Chao S J, Cui K F, Wang S M et al. Observation of 1S0→3P0 transition of a 40Ca+-27Al+ quantum logic clock[J]. Chinese Physics Letters, 36, 120601(2019).

    [16] Gao K L. The 40Ca+ ion optical clock[J]. National Science Review, 7, 1799-1801(2020).

    [17] Huang Y, Zhang B L, Zeng M Y et al. Liquid-nitrogen-cooled Ca+ optical clock with systematic uncertainty of 3×10-18[J]. Physical Review Applied, 17, 034041(2022).

    [18] Liu H, Zhang X, Jiang K L et al. Realization of closed-loop operation of optical lattice clock based on 171Yb[J]. Chinese Physics Letters, 34, 020601(2017).

    [19] Zhang J, Deng K, Luo J et al. Direct laser cooling Al+ ion optical clocks[J]. Chinese Physics Letters, 34, 050601(2017).

    [20] Ma L S, Jungner P, Ye J et al. Delivering the same optical frequency at two places: accurate cancellation of phase noise introduced by an optical fiber or other time-varying path[J]. Optics Letters, 19, 1777-1779(1994).

    [21] Calosso C E, Bertacco E, Calonico D et al. Frequency transfer via a two-way optical phase comparison on a multiplexed fiber network[J]. Optics Letters, 39, 1177-1180(2014).

    [22] Foreman S M, Holman K W, Hudson D D et al. Remote transfer of ultrastable frequency references via fiber networks[J]. Review of Scientific Instruments, 78, 021101(2007).

    [23] Dawkins S T, McFerran J J, Luiten A N. Considerations on the measurement of the stability of oscillators with frequency counters[J]. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 54, 918-925(2007).

    Tools

    Get Citation

    Copy Citation Text

    Pengcheng Fang, Zhendi Cai, Huanyao Sun, Yan Wang, Yanqi Xu, Qunfeng Chen. Optical Frequency Transfer over 60 km Urban Telecom Fiber Link[J]. Acta Optica Sinica, 2022, 42(23): 2306006

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Mar. 18, 2022

    Accepted: Jun. 15, 2022

    Published Online: Dec. 14, 2022

    The Author Email: Chen Qunfeng (qfchen@apm.ac.cn)

    DOI:10.3788/AOS202242.2306006

    Topics