[1] SULTANA J. The Sagnac effect in conformal Weyl gravity ［J］. Gen Relativ Gravit, 2014, 46(17): 171001 -171013.

[2] COURTNEY T L, PARK S D, HILL R J, et al. Enhanced interferometric detection in two-dimensional spectro scopy with a Sagnac interferometer［J］. Optics Letters, 2014, 39(3): 513-516.

[3] LI Y S, YUAN L, ZHANG Z Y, et al. Sensitivity-enhanced temperature sensor with cascaded ber optic Sagnac interferometers based on Vernier-effect［J］. Optics Communications, 2015, 336(1): 73-76.

[4] AGHAIE K Z, DIGONNET J F. Sensitivity limit of a coupled-resonator optical waveguide gyroscope with separate input/output coupling［J］. Journal of Optical Society of Americal B, 2015, 32(2): 339-344.

[5] TOLAND R E, SEARCH C P. Sagnac gyroscope using a two-dimensional array of coupled optical microresonators［J］. Applied Physics B, 2014, 114(1): 333-339.

[6] WU Q, YU J L, WANG J, et al. A new scheme of measuring Sagnac effect based on microwave resonant［J］. Acta Physica Sinica, 2015, 64(): 0442051-0442056.

[7] KUZNETSOV A G, MOLCHANOV A V, CHIRHIN M V, et al. Precise laser gyroscope for autonomous inertial navigation［J］. Quantum Electronics, 2015, 45(1): 78-88.

[8] SATO Y. Sagnac-based rotation sensing with superfluid helium quantum interference devices［J］. Comptes Rendus Physique, 2014, 15(1): 898-906.

[9] STEVENSON R., HUSH M, BISHOP T, et al. Sagnac interferometry with a single atomic clock［J］. Physical Review Letters, 2015, 115(16): 163001-163006.

[10] GAUGUET A, CANUEL B, LEVEQUE T, et al. Characterization and limits of a cold-atom Sagnac interferometer［J］. Physical Review A, 2009, 80(6): 06360401-06360412.

[11] BARRETT B, GEIGER R, DUTTA I. The Sagnac effect: 20 years of development in matter-wave interferometry［J］. Comptes Rendus Physique, 2014, 15(1): 875-883.

[12] GIOVANETTI V, LLOYD S, MACCONE L. Advances in quantum metrology［J］. Nature Photonics, 2011, 35(5): 222-229.

[13] BERTOCCHI G, ALIBART O, OSTROWSKY D B. Single-photon Sagnac interferometer［J］. Journal of Physics B, 2006, 39(5): 1011-1016.

[14] KOLKIRAN, A GARWAL G S. Heisenberg limited Sagnac interferometry［J］. Optics Express, 2007, 15(11): 6798-6808.

[15] CHEN K, CHEN S X, WU D W, et al. A scheme for Sagnac effect improvement with squeezed vacuum input and homodyne detection［J］. Acta Physica Sinica, 2016, 65(5): 0542031-0542038.

[16] SCULLY M O, ZUBAIRY M S. Quantum optics［M］. Cambridge: Cambridge University Press, 1997.

[17] LI X, VOSS P L, SHARPING J E, et al. Optical-fiber source of polarization-entangled photons in the 1550 nm telecom band［J］. Physical Review Letters, 2005, 94(5): 0536011.

[18] MANDEL L, WOLF E. Optical coherence and quantum optics［M］. Cambridge: Cambridge University Press, 1995.

[19] LEONHARDT U. Measuring the quantum state of light［M］. Cambridge: Cambridge University Press, 1997.

[20] PEZZE L, SMERZI A. Phase detection at the quantum limit with multi-photon Mach-Zehnder interferometry［J］. Physical Review Letters, 2007, 99(22): 2236021.

[21] CHEN K, CHEN S X, WU D W, et al. Adaptive optimal measurement for the squeezed vacuum and coherent state［J］. Acta Physica Sinica, 2016, 65(19): 1942031.