1. Masaaki Inoue, Fumihiko Ito, Xinyu Fan, and Yusuke Koshikiya, "Very long range quasi-Fourier spectroscopy for narrowband lasers," Opt. Express, vol.20, pp. B566-B573, Dec. 2012 2. Xinyu Fan, Yusuke Koshikiya, Noriyuki Araki, and Fumihiko Ito, "Field trials of PNC-OFDR in different environments for detecting short beat lengths," IEEE Photon. Technol. Lett., vol. 24 , pp. 1288-1291, Aug. 2012 3. Fumihiko Ito, Xinyu Fan, and Yusuke Koshikiya, “Long-range coherent OFDR with light source phase noise compensation,” IEEE/OSA Journal of Lightwave Technol., vol. 30, pp. 1015-1024, Apr. 2012 4. Hiroshi Takahashi, Xinyu Fan, Yusuke Koshikiya, and Fumihiko Ito, “Individual Fault Location in PON Using pulsed pump-probe Brillouin Analysis,” IEE Elctron. Lett., vol. 47, pp. 1384-1385, Dec. 2011 5. Xinyu Fan, Yusuke Koshikiya, and Fumihiko Ito, “Centimeter-level spatial resolution over 40 km realized by bandwidth-division phase-noise-compensated OFDR,” Opt. Express, vol. 19, pp. 19122-19128, Sept. 2011 6. Yusuke Koshikiya, Xinyu Fan, and Fumihiko Ito, “Influence of acoustic perturbation of fibers in phase-noise-compensated optical-frequency-domain reflectometry,” IEEE/OSA Journal of Lightwave Technol., vol. 28, pp. 3323-3328, Nov. 2010 7. Xinyu Fan, Yusuke Koshikiya, and Fumihiko Ito, "Full polarimetric phase-noise-compensated optical-frequency-domain reflectometry for distributed measurement of high-PMD fibers," Opt. Lett., vol. 35, pp. 25-27, Jan. 2010 8. Xinyu Fan, Yusuke Koshikiya, and Fumihiko Ito, "Phase Noise Compensated Optical Frequency Domain Reflectometry, " IEEE Journal of Quantum Electron., vol. 45, pp. 594-602, June 2009 9. Yusuke Koshikiya, Xinyu Fan, and Fumihiko Ito, "Long Range and cm-level Spatial Resolution Measurement by Coherent Optical Frequency Domain Reflectometry Employing SSB-SC Modulator and Narrow Linewidth Fiber Laser," IEEE/OSA Journal of Lightwave Technol., vol. 26, pp. 3287-3294, Sept. 2008 10. Xinyu Fan, Zuyuan He, and Kazuo Hotate, “Distributed strain sensor based on dynamic grating in polarization-maintaining erbium-doped fiber,” Opt. Lett., 33, pp. 1647-1649, Aug. 2008 11. Xinyu Fan, Yusuke Koshikiya, and Fumihiko Ito, "Phase-noise-compensated optical frequency domain reflectometry with measurement range beyond laser coherence length realized using concatenative reference method," Opt. Lett., 32, pp. 3227-3229, Nov. 2007 12. Xinyu Fan, Zuyuan He, and Kazuo Hotate, “A novel strain- and temperature-sensing mechanism based on dynamic grating in polarization-maintaining erbium-doped fiber”, Opt. Express, Vol. 14, No. 2, pp.556-561, Jan. 2006 13. Xinyu Fan, Zuyuan He, Yosuke Mizuno, and Kazuo Hotate, “Bandwidth-adjustable dynamic grating in erbium-doped fiber by synthesis of optical coherence function”, Opt. Express, Vol. 13, No. 15, pp. 5756-5761, July, 2005