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島根大学HP

総合理工学部HP

機械・電気電子領域HP

●国際会議（査読あり）

(1) K. Kitayama and F. Ito, “Multiple fiber coupler associative memory with bit-significance retrieval,” International Joint Conference on Neural Networks (IJCNN 89), Washington D. C., June 1989

(2) F. Ito, K. Kitayama, and H. Yoshinaga, “Frequency level-off in modulational instability near the zero dispersion wavelength of optical fibers,” International Conference of Integrated Optics and Optical fiber Communication (IOOC 89), Kobe, August 1989, paper 21C4-5, pp.76-77

(3) F. Ito and K. Kitayama, “Optically addressable synaptic weight generated by optical outer product,” Optical Computing (OC 90), Kobe, April 1990

(4) K. Kitayama, F. Ito, and Y. Tamura, “Learning experiment using erasable optically stimurable phosphor in optical neural network,” International Neural Network Conference (INNC 90), Paris, July 1990, pp. 619-622

(5) F. Ito and K. Kitayama, "Photorefractive crystal waveguides for optical neural networks,” International Conference on Artificial Neural Networks (ICANN 91), Helsinki, June 1991

(6) K. Kitayama and F. Ito, “Photorefractive crystal waveguide and their applications,” Photorefractive Materials, Effects, and Devices Topical Meeting, Beverly, July 1991

(7) K. Kitayama, F. Ito and K. Tomomatsu, “Observation of photorefractive effect in single-domain BaTiO3 crystal fiber,” Optical Fiber Communication Conference (OFC 92), San Jose, Feb. 1992, paper WL8

(8) F. Ito and K. Kitayama, “Holographic storage of sequential temporal data in photorefractive crystal,” 18^th European Conference on Optical Communication (ECOC1992), Berlin, Sept. 1992, paper Th B12.2, pp. 617-620

(9) F. Ito and K. Kitayama, “A novel interferometric parallel detection for optical cells using a multi-frequency local light,” 19^th European Conference on Optical Communication (ECOC1993), Montreux, Sept. 1993, paper TuP5.1, pp. 145-148

(10) K. Kitayama and F. Ito, “Photorefractive holographic memory system and its devices,” European Materials Research Society (E-MRS) 1994 Spring Meeting, Strasbourg, 1994

(11) F. Ito and T. Hasegawa, “Single-shot high-speed signal detection by coherent correlation with independently oscillating local light,” 21^st European Conference on Optical Communication (ECOC1995), Brussels, Sept. 1995, paper Th.L.2.6, pp. 961-964

(12) S. Aisawa, K. Noguchi, H. Miyao, and F. Ito, “Learning method for neural network using weight perturbation of orthogonal bit sequence and its application to adaptive WDM demultiplexer,” 1995 International Symposium on Nonlinear Theory and Its Application, Las Vegas, Dec. 1995

(13) H. Miyao, S. Aisawa, F. Ito, and K. Noguchi, “High-speed tuning of a neural control WDM demultiplexer,” Conference on Optical Fiber Communication and the National fiber Optic Engineers Conference (OFC 1996), Anaheim, 25 Feb.-1 March 1996, pp. 171-173

(14) F. Ito, “Demultiplexed detection of mode-lock pulse train using spectral-interferometric technique,” 1^st OptoElectronics and Communication Conference (OECC 1996), Chiba, July 1996, pp. 36-37

(15) N. Nishiyama, Y. Suzuki, and F. Ito, “Resource management method in user networks,” 6^th Asia-Pacific Network Operations and Management Symposium (APNOMS 2003), Fukuoka, Oct. 2003, pp. 212-223

(16) N. Nishiyama, K. Nishikawa, F. Ito, and Y. Suzuki, “Composing user network operation services using Web service composition techniques,” Consumer Communications and Networking Conference 2005 (CCNC 2005), Las Vegas, Jan. 2005, pp. 139-143

(17) I. Ogushi, H. Izumita, F. Ito, and M. Arii, “Catastrophic damage and destructive process induced in optical fiber cord by 33 dBm pump light at 1480 nm in WDM systems,” Conference on Optical Fiber Communication and the National fiber Optic Engineers Conference (OFC 2005), March 2005 paper OME6

(18) N. Honda, D. Iida, H. Izumita, and F. Ito, “New function of optical fiber line testing system employing termination cable with individual Brillouin frequency shift and 1650 nm band in-service monitoring technique,” 10^th OptoElectronics and Communication Conference (OECC 2005), Soul, July 2005, pp. 364-365

(19) K. Tsuchikawa, K. Katayama, Y. Nakamura, and F. Ito, “Reducing Service Interaction in Home Network by Managing Appliance/Environment Objects, Method's Execution Rule and State,” 8^th Asia-Pacific Network Operations and Management Symposium (APNOMS 2005), Okinawa, Sept. 2005

(20) T. Goto, H. Nozue, Y. Nakamura, and F. Ito, “Basic design of ontological knowledge base to support network design by unskilled users,” 8^th Asia-Pacific Network Operations and Management Symposium (APNOMS 2005), Okinawa, Sept. 2005

(21) Y. Koshikiya, N. Araki, H. Izumita, and F. Ito, “Simple and cost-effective fault location technique using bi-directional OTDR and in-service line testing criteria for PONs,” 31^st European Conference on Optical Communication (ECOC2005), Glasgow, Sept. 2005, Vol. 1, pp. 83-84

(22) N. Nishiyama, K. Nishikawa, and F. Ito, “Knowledge base design for network service composition using semantic web languages,” Consumer Communications and Networking Conference 2006 (CCNC 2006), Las Vegas, Jan. 2006, pp. 1295-1296 (Volume 2)

(23) N. Honda, D. Iida, H. Izumita, and F. Ito, “Bending and connection loss measurement of PON branching fibers with individually assigned Brillouin frequency shifts,” Conference on Optical Fiber Communication and the National fiber Optic Engineers Conference (OFC 2006), Anaheim, March 2006, paper OThP6

(24) I. Ogushi, H. Izumita, H. Tanaka, F. Ito, and M. Arii, “Observation of ignition induced by a high power light input at a butt-joint splice with refractive index matching material,” Conference on Optical Fiber Communication and the National fiber Optic Engineers Conference (OFC 2006), Anaheim, March 2006, paper OFK6

(25) H. Nozue, T. Goto, and F. Ito, “Automatic Premises Network Design Using Standardised Building Data,” World Telecommunications Congress 2006 (WTC2006), Budapest, May 2006

(26) D. Iida, N. Honda, H. Izumita, and F. Ito, “Identification fibers with individually assigned　Brillouin frequency shifts for fault location in　passive optical networks”, 11^th Opto-Electronics and Communication Conference (OECC 2006),　Kaohsiung, Taiwan, July 2006, paper 4E-1-2-1

(27) K. Nishikawa, N. Nishiyama, F. Ito, and T. Yamamura, “Individual knowledge generation for individual user environments by relating user network ontology to local protocols,” 17^th International Conference on Database and Expert Systems Applications (DEXA 2006), Sept. 2006, pp. 146-150

(28) K. Okamoto and F. Ito, “Relatively delayed dual-channel interferometric sampling for observing ultrafast amplitude and phase modulation,” 32^nd European Conference on Optical Communication (ECOC 2006), Cannes, Sept. 2006, pp. 91-92 Volume 4

(29) Y. Koshikiya, N. Araki, H. Izumita and F. Ito, “Cost-effective and low loss two-band video multiplexing add-in module for optical fibre distribution system in central office,” 32^nd European Conference on Optical Communication (ECOC2006), Cannes, Sept. 2006, pp. 49-50 Volume 2

(30) N. Honda, D. Iida, H. Izumita and F. Ito, “Optical fiber line testing system design considering outside environment for 8-branched PON fibers with individually assigned BFSs,” 18^th International Conference on Optical Fiber Sensors (OFS-18), Cancun, Mexico, Oct. 2006, paper ThE8

(31) D. Iida, Y. Koshikiya, N. Honda, and F. Ito, “Detection sensitivity of Brillouin sensors located near Fresnel reflection,” Conference on Optical Fiber Communication and the National fiber Optic Engineers Conference (OFC 2007), Anaheim, March 2007, paper OMQ2

(32) K. Okamoto, X. Fan, and F. Ito, “Ultrafast sampling of complex polarization components for characterizing polarization mode dispersion,” Conference on Optical Fiber Communication and the National fiber Optic Engineers Conference (OFC 2007), Anaheim, March 2007, paper OTuN6

(33) X. Fan and F. Ito, “Novel optical frequency domain reflectometry with measurement range beyond laser coherence length realized using concatenatively generated reference signal,” Conference on Lasers and Electro-Optics Quantum Electronics (CLEO/QELS 2007), Baltimore, May 2007, paper CThKK7

(34) Y. Koshikiya, X. Fan, and F. Ito, “Highly sensitive coherent optical frequency-domain reflectometry employing SSB-modulator with cm-level spatial resolution over 5 km,” 33^rd European Conference on Optical Communication (ECOC 2007), Berlin, Sept. 2007, pp. 89-90 Volume 3

(35) F. Ito, Y. Koshikiya, and X. Fan, “High-resolution fiber-line measurement based on optical frequency domain reflectometry,” 8th Chitose International Forum on Photonics Science, Chitose, November, 2007, pp. 71-77 (invited)

(36) K. Okamoto and F. Ito, “Ultrafast measurement of phase distribution of DPSK signals using 1-symbol delayed dual-channel linear optical sampling,” Conference on Optical Fiber Communication and the National fiber Optic Engineers Conference (OFC 2008), San Diego, Feb. 2008, paper OMT6

(37) D. Iida and F. Ito, “Low bandwidth and cost-effective Brillouin frequency sensing using reference Brillouin scattered beam,” Conference on Optical Fiber Communication and the National fiber Optic Engineers Conference (OFC 2008), San Diego, Feb. 2008, paper OMT2

(38) X. Fan, Y. Koshikiya, and F. Ito, “Highly sensitive reflectometry over 20 km with sub-meter spatial resolution based on phase-noise-compensated optical frequency domain reflectometry and concatenative reference method,” 19^th International Conference on Optical Fiber Sensors (OFS-19), Perth, Aprl. 2008 paper 7004-56.

(39) K. Okamoto and F. Ito, “Simultaneous WDM signal detection realized by ultrafast field sampling,” 34^th European Conference on Optical Communication (ECOC 2008), Brussels, Sept. 2008, paper We.1.D.4

(40) Y. Koshikiya, X. Fan, and F. Ito, “40-km range, 1-m resolution measurement based on phase-noise-compensated coherent optical frequency domain reflectometry,” 34^th European Conference on Optical Communication (ECOC 2008), Brussels, Sept. 2008, paper P. 1. 11

(41) X. Fan, Y. Koshikiya, and F. Ito, “Evolution of backscattered polarization in high-PMD fibres measured by phase-noise compensated optical frequency domain reflectometry,” 34^th European Conference on Optical Communication (ECOC 2008), Brussels, Sept. 2008, paper P. 1. 12

(42) K. Okamoto and F. Ito, “Demonstration of Digital Wavelength Demultiplexing for Group Delay Dispersion Measurement,” Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference (OFC 2009), San Diego, Mar. 2009, paper OMP6

(43) D. Iida and F. Ito, “Bandwidth-reduced Brillouin optical time domain reflectometry using reference Brillouin scattering,” Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference (OFC 2009), San Diego, Mar. 2009, paper OMP7

(44) Y. Koshikiya, X. Fan, and F. Ito, “Sub-cm spatial resolution reflectometry over 10 km based on phase noise compensated OFDR with third order sideband sweeping,” 35^th European Conference on Optical Communication (ECOC 2009), Vienna, Sept. 2009, paper 4.4.1

(45) X. Fan, Y. Koshikiya, and F. Ito, “10 cm spatial resolution and 20 km range full polarimetric reflectometry for distributed DGD measurement of high PMD fibres,” 35^th European Conference on Optical Communication (ECOC 2009), Vienna, Sept. 2009, paper 4.4.2

(46) K. Okamoto and F. Ito, “Complete characterization of PMD vector through time-resolved waveform analysis based on xy-field sampling,” 35^th European Conference on Optical Communication (ECOC 2009), Vienna, Sept. 2009, paper 9.3.2

(47) F. Ito and K. Okamoto, M. Tsubokawa, Y. Sakamaki, and T. Hashimoto, “Channel-allocation-adaptive WDM signal observation based on sequential ultrafast field sampling,” 35^th European Conference on Optical Communication (ECOC 2009), Vienna, Sept. 2009, paper PD2.3 (Post deadline paper).

(48) X. Fan, Y. Koshikiya, and F. Ito, “Noise of long-range optical frequency domain reflectometry after optical source phase noise compensation,” 20^th International Conference on Optical Fiber Sensors (OFS-20), Edinburgh, Oct. 2009, paper OF101‑79

(49) Y. Koshikiya, X. Fan, F. Ito, Z. He, and K. Hotate, “Fading-noise suppressed cm-level resolution reflectometry over 10-km range with phase noise and chromatic dispersion compensation,” 36^th European Conference on Optical Communication (ECOC 2010), Torino, Sept. 2010, paper Tu.3.F.2

(50) K. Okamoto, X. Fan, T. Okamoto, F. Ito, Y. Sakamaki, and T. Hashimoto, “Rapid Mueller Matrix and PMD characterization based on time-resolved analysis of pol-mux signals,” 36^th European Conference on Optical Communication (ECOC 2010), Torino, Sept. 2010, paper P3.10

(51) F. Ito, X. Fan, and Y. Koshikiya, “Long range coherent OFDR with light source phase noise compensation,” 9^th International Conference on Communications and Networks, Nanjing, October, 2010 pp. 5-8 (invited)

(52) F. Ito and K. Okamoto, “PMD measurement by using ultrafast coherent optical sampling,” 9^th International Conference on Communications and Networks, Nanjing, October, 2010 pp. 241-244 (invited)

(53) X. Fan, Y. Koshikiya, and F. Ito, “2-cm spatial resolution over 40 km realized by bandwidth-division phase-noise-compensated OFDR,” Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference (OFC 2011), Los Angeles, Mar. 2011, paper OMF3

(54) H. Iida, Y. Koshikiya, F. Ito, and Y. Tanaka, “Ultra high dynamic range coherent optical time domain reflectometry employing frequency division multiplexing,” 21^st International Conference on Optical Fiber Sensors (OFS-21), Ottawa, May. 2011, paper 7753-282

(55) F. Ito, X. Fan, and Y. Koshikiya, “Long-range coherent optical frequency domain reflectometry and its applications,” 21^st International Conference on Optical Fiber Sensors (OFS-21), Ottawa, May. 2011, paper 7753-71 (invited)

(56) X. Fan, Y. Koshikiya, K. Okamoto, H. Iida, H. Takahashi, and F. Ito, “Field trial of cm-level resolution PNC-OFDR for identifying high-birefringence section,” 37^th European Conference on Optical Communication (ECOC 2011), Geneva, Sept. 2011, paper Tu.6.LeCervin.6.

(57) T. Kazama, Z. He, Y. Koshikiya, X. Fan, F. Ito, and K. Hotate, “Fading-noise suppressed OFDR using optical frequency comb source and tunable delay line,” 37^th European Conference on Optical Communication (ECOC 2011), Geneva, Sept. 2011, paper Tu.6.LeCervin.3.

(58) T. Okamoto, K. Okamoto, F. Ito, Y. Sakamaki, and T. Hashimoto, "Simultaneous and adaptive DPSK dense WDM monitoring using sequential ultrafast field sampling," Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference (OFC 2012), Los Angeles, Mar. 2012, paper OM2C.6

(59) H. Takahashi, X. Fan, and F. Ito, "Individual loss distribution measurement in 4-branched PON using pulsed pump-probe Brillouin gain analysis," Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference (OFC 2012), Los Angeles, Mar. 2012, paper OTh3I.2

(60) F. Ito, M. Inoue, X. Fan, and Y. Koshikiya, "Reflectometric degree of coherence analysis of narrow linewidth laser at continuous delay," Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference (OFC 2012), Los Angeles, Mar. 2012, paper JW2A.22

(61) Y. Koshikiya, N. Araki, C. Kito, and F. Ito, "Compact and large capacity identification device for uniquely addressing optical components," Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference (OFC 2012), Los Angeles, Mar. 2012, paper JTh2A.69

(62) T. Okamoto, M. Inoue, and F. Ito, “Characterization of laser phase noise using parallel linear optical sampling,” 38^th European Conference on Optical Communication (ECOC 2012), Amsterdam, Sept. 2012, paper We.3.E.6.

(63) H. Takahashi, X. Fan, Y. Koshikiya, and F. Ito, “Distributed 32-branched PON measurement using pulsed pump-probe Brillouin analysis,” 38^th European Conference on Optical Communication (ECOC 2012), Amsterdam, Sept. 2012, paper P1.06.

(64) M. Inoue, F. Ito, X. Fan, and Y. Koshikiya, “Coherence characterization of kHz-linewidth laser by fibre speckle analysis,” 38^th European Conference on Optical Communication (ECOC 2012), Amsterdam, Sept. 2012, paper P1.10.

(65) F. Ito, X. Fan, and Y. Koshikiya, “Identification of high-PMD sections　along installed optical cables　with long range OFDR,” Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference (OFC2013), Anaheim, Mar. 2013, OW4H.2 (invited)

(66) H. Iida, K. Toge, and F. Ito, “200-subchannel Ultra-high-density frequency division multiplexed coherent OTDR with nonlinear effect suppression,” Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference (OFC2013), Anaheim, Mar. 2013, paper OW1K.5.

(67) F. Ito, H. Takahashi, and K. Toge, “End-reflection assisted Brillouin measurement for PON monitoring,” 18th Optoelectronics and Communications Conference (OECC2013), Kyoto, June 2013, paper MS2-1 (invited).

(68) H. Takahashi, K. Toge, F. Ito, and C. Kito, “Individual PON monitoring using maintenance band pulsed pump-robe Brillouin analysis,” 18th Optoelectronics and Communications Conference (OECC2013), Kyoto, June 2013, paper ThP1-4.

(69) H. Iida, K. Toge, and F. Ito, “Environmental perturbation tracking in coherent OTDR for recovering detection sensitivity,” 39^th European Conference on Optical Communication (ECOC 2013), London, Sept. 2013, paper We.1.A.4.

(70) H. Takahashi, K. Toge, and F. Ito, “Centralized monitoring of true splice loss in PON including MFD mismatched fibres,” 39^th European Conference on Optical Communication (ECOC 2013), London, Sept. 2013, paper We.2.F.2.

(71) C. Kito, F. Ito, H. Takahashi, and K. Toge, “Frequency-code multiplexed end reflection assisted Brillouin analysis for monitoring PONs,” 39^th European Conference on Optical Communication (ECOC 2013), London, Sept. 2013, paper We.2.F.3

(72) X. Fan and F. Ito, “Phase noise compensated optical frequency domain reflectometry and its applications,” Asia Communications and Photonics Conference (ACPP2013), Beijing, Nov. 2013, paper ATh4D.3. (invited).

(73) H. Takahashi, C. Kito, F. Ito, and K. Hotate, “Correlation-based End-reflection-assisted Brillouin Analysis for discriminating small branch length difference,” Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference (OFC2014), San Francisco, Mar. 2014, paper Tu3C.6.

(74) K. Toge, H. Iida, and F. Ito, “Over 10,000-km recirculating measurement with frequency-coded coherent OTDR,” Opto-Electronics and Communication Conference (OECC2014), Melbourne, July 2014, pp. 380-382.

(75) C. Kito, F. Ito, H. Takahashi, and K. Toge, “End-reflection assisted time domain Brillouin sensing with a novel probe pulse arrangement for branched fiber,” 23^rd International Conference on Optical Fiber Sensors (OFS-23), Santander, July 2014, Proc. SPIE, Vol. 9157, pp. 91576F-1-91576F-4.

(76) F. Ito, “Long-range coherent OFDR and applications,” The 20th Opto-Electronics and Communications Conference (OECC2015), Shanghai, June, 2015. (invited)

(77) T. Okamoto and F. Ito, “Ultrafast linear optical sampling techniques for optical communication system,” The 20th Opto-Electronics and Communications Conference (OECC2015), Shanghai, June, 2015. (invited)  

(C-78) N. Kono, F. Ito, R. Maruyama, and N. Kuwaki, “Ultrafast complex impulse response measurement of 2-mode fibers by using linear optical sampling,” The 21^st Opto-Electronics and Communications Conference (OECC2016), Niigata, July, 2016.

(C-79) F. Ito, N. Kono, D. Iida, and T. Manabe, “High dynamic range linear optical sampling with coherence recovery for measuring fibre impulse response,” 42^nd European Conference on Optical Communication (ECOC 2016), Dusseldorf, Sept. 2016.

(C-80) H. Takahashi, C. Kito, K. Toge, T. Manabe, and F. Ito, “Distributed Measurement of Single-way Inter-modal Crosstalk in Spliced FMFs Based on BOTDA,” Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference (OFC2017), Los Angeles, Mar. 2017, paper Th4H.3.

(C-81) M. Yokota, M. Miura, H. Watanabe, F. Ito, Ryo Maruyama, and N. Kuwaki, “Distributional measurement of effective refractive index differences of multimode fibers by Brillouin spectrum decomposition,” The 25th International Conference on Optical Fiber Sensors (OFS-25), Jeju, Apr. 2017, paper No. 10323-315.

(C-82) T. Arakawa, N. Kono, F. Ito, D. Iida, and T. Manabe, “Impulse response of multicore fibre measured by high-dynamic range linear optical sampling with picosecond resolution,” 43rd European Conference on Optical Communication (ECOC 2017), Gothenburg, Sept. 2017, paper P1.SC1.4.

(C-83) Y. Sagisaka, M. Yokota, F. Ito, R. Maruyama, and N. Kuwaki, “Distributional measurement of effective refractive index differences in graded index 2-mode fiber,” International Symposium on Imaging, Sensing, and Optical Memory (ISOM 2017), Matsue, Oct. 2017, paper Tu-J-11.

(C-84) Y. Sagisaka, F. Ito, H. Takahashi, and T. Manabe, “Correlational measurement of Brillouin frequency shift by using frequency combs with different frequencies,” The 7^th Asia-Pacific Optical Sensors Conference (APOS2018), Matsue, May 2018, paper Mon_P6.

(C-85) T. Kano, N. Kono, F. Ito, D. Iida, and T. Manabe, “Measurement of third-order dispersion coeffi cient by 2 THz-bandwidth coherence-recovered linear optical sampling,” The 7^th Asia-Pacific Optical Sensors Conference (APOS2018), Matsue, May 2018, paper Wed_P9.

(C-86) N. Kono, F. Ito, and S. Tanaka, “Time-resolved measurement of co-directional mode coupling spectra in two-mode fibers for multipoint sensing,” The 7^th Asia-Pacific Optical Sensors Conference (APOS2018), Matsue, May 2018, paper Wed_13.

(C-87) F. Ito, T. Arakawa, D. Iida, and T. Manabe, “Measurement of spectral transfer matrix of few-mode fibres by using coherent linear optical sampling,” 44th European Conference on Optical Communication (ECOC 2018), Roma, Sept. 2018.

(C-88) J. Sunagawa, Y. Sagisaka, and F. Ito, "Characterization of high-speed modulators over wide wavelength by using linear optical sampling," 24th OptoElectronics and Communications Conference (OECC 2019), July 2019.

(C-89) Y. Osaka, F. Ito, D. Iida, and T. Manabe, "Measurement of spectral transfer matrix for DMD analysis by using linear optical sampling," 24th OptoElectronics and Communications Conference (OECC 2019), July 2019. (Best Student Paper Award)

(C-90) M. G. Soares, K. Nakaya, K. Fukushima, A. Wada, S. Tanaka, and F. Ito, "Strain Characteristics of Cascaded-Chirped Long Period Fiber Gratings Depending on Order of Cladding Mode," 25th Opto-Electronics and Communications Conference (OECC 2020), Taiwan, Oct. 2020.

(C-91) K. Fukushima, M. G. Soares, K. Nakaya, A. Wada, S. Tanaka, and F. Ito, "Wavelength Tunable and Switchable EDF Ring Laser using Cascaded-Chirped Long Period Fiber Grating," 25th Opto-Electronics and Communications Conference (OECC 2020), Taiwan, Oct. 2020.

(C-92) D. Miyake, S. Kawakami, M. Okawa, and F. Ito, "Comb-like Brillouin spectra generated by pulse trains arranged at power intervals for high-resolutional analysis," in Optical Fiber Sensors Conference 2020 Special Edition, G. Cranch, A. Wang, M. Digonnet, and P. Dragic, eds., OSA Technical Digest (Optical Society of America, 2020), paper T3.43.
(The conference was cancelled due to Covid-19; Assumed to be presented)

(C-93) M. G. Soares, K. Fukushima, B. Q. Hung, K. Nakaya, A. Wada, S. Tanaka, and F. Ito, "Strain and Temperature Characteristics of Cascaded-Chirped Long Period Fiber Gratings Depending on Order of Cladding Mode," in Optical Fiber Sensors Conference 2020 Special Edition, G. Cranch, A. Wang, M. Digonnet, and P. Dragic, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper W4.62.
(The conference was cancelled due to Covid-19; Assumed to be presented)

(C-94) K. Fukushima, M. G. Soares, A. Wada, S. Tanaka, and F. Ito, "Strain Measurement Using EDF Sigma Laser with Cascaded-Chirped Long Period Fiber Grating," In Optoelectronics and Communications Conference 2021, W4D-3, 3 Jul. 2021.

(C-95) Z. Zhang, C. Zhang, T. Shirahata, S. Yamashita, and S. Y. Set, "Chirped Amplitude-Modulated Phase-Shift Method Based Overall Non-Mechanical 1-D Spectrally Scanned LiDAR," in JSAP-OSA Joint Symposia, paper 12a_N404_8, Sep. 2021.

(C-96) M. Uyama, M. Uno, C. Zhang, F. Ito, A. Nakamura, T. Okamoto, and Y. Koshikiya, “Effect of the time axis accuracy on mode-dependent loss measurement by using linear optical sampling,” 6th International Symposium on Extremely Advanced Transmission Technologies (EXAT), P-09, 3-5 Nov., 2021.

(C-97) C. Zhang, and F. Ito, "Recent progress of fiber diagnostic technologies for optical fiber networks ― Distributed fiber sensing and fiber characterization", SPIE Photonics West On Demand, 12027-31, San Francisco, Feb. 2022. (Invited)

(C-98) M. Uyama, M. Uno, S. Okamura, C. Zhang, F. Ito, A. Nakamura, T. Okamoto, and Y. Koshikiya, “Wideband impulse response measurement of coupled 2-core fibers of various length employing dual-comb coherent sampling,” Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference (OFC), paper M1E.5, San Diego/Online, Mar. 2022.

(C-99) Z. Zhang, C. Zhang, T. Shirahata, S. Yamashita, and S. Y. Set, "Novel Data-Processing Method for High-Resolution Spectrally Steered LiDAR using Dispersion-Tuned Swept Laser," Conference on Lasers and Electro-Optics (CLEO), paper JW3B.9, May 2022.

(C-100) D. Tanimura, D. Miyake, C. Zhang, F. Ito, Y. Yoshimura, H. Aoshika, and M. Imai, "Long range, wide bandwidth, and rapid optical frequency domain reflectometry, employing concatenative referencing method," 27th International Conference on Optical Fiber Sensors (OFS), W4.10, Alexandria, Virginia, Aug.-Sep. 2022.

(C-101) K. Fukushima, M. Okano, A. Wada, S. Tanaka, and F. Ito, "EDF Laser-Based Strain Sensor Using Cascaded-Chirped Long-Period Fiber Grating in Sigma-Type Laser Cavity," 27th International Conference on Optical Fiber Sensors (OFS), Th4.1, Alexandria, Virginia, Aug.-Sep. 2022.

(C-102) M. S. B. A. Sharifuddin, T. Nagata, C. Zhang, F. Ito, A. Nakamura, and Y. Koshikiya. Long-range frequency-modulated continuous-wave LiDAR employing wavelength-swept optical frequency comb with ranging disambiguation. SPIE Smart Structure + Nondestructive Evaluation, paper 12487-54, Long Beach, CA, Mar. 2023.

(C-103) S. Okamura, K. Osawa, C. Zhang, F. Ito, A. Nakamura, and Y. Koshikiya, “Two-dimensional linear optical sampling for ultrafast observation of fiber spatial mode,” 7th International Symposium on Extremely Advanced Transmission Technologies (EXAT), Matsue, Shimane, 17-19 May, 2023. (Poster)

(C-104) C. Zhang, Z. Zhang, N. Yamaguchi, T. Shirahata, S. Y. Set, S. Yamashita, and F. Ito, "Exploring the Potential of Light Detection and Ranging in Industry 4.0", International Conference on Information Optics and Photonics (CIOP), Xi'an, China, 7-10 August, 2023. (Invited)

(C-105) S. Okamura, K. Osawa, C. Zhang, F. Ito, A. Nakamura, and Y. Koshikiya, “Two-dimensional linear optical sampling for ultrafast spatial mode analysis,” European Conference on Optical Communication (ECOC), paper Tu.C.4.5, Glasgow, UK, 1-5 Oct., 2023.

(C-106) S. Y. Set, Z. Zhang, N. Yamaguchi, T. Shirahata, C. Zhang, S. Yamashita, “Advanced fiber laser sources for 3D LiDAR imaging,” Asia Communications and Photonics Conference (ACP), 4-7 Nov., 2023. (Invited)

(C-107) Y. Yoshimura, A. Nasu, H. Nagatani, M. Imai, D. Tanimura, R. Ogu, C. Zhang, and F. Ito,  “Dynamic strain sensing application with rapid OFDR for pavement health monitoring,” International Conference on Optical Fiber Sensors (OFS), W4.93, Hamamatsu, Shizuoka, 20-24 Nov., 2023. (Poster)

(C-108) R. Ogu, D. Tanimura, C. Zhang, F. Ito, Y. Yoshimura, H. Aoshika, and M. Imai, “110-m range, 600-Hz refresh rate dynamic strain measurement by using phase-noise-compensated OFDR,” International Conference on Optical Fiber Sensors (OFS), paper F1.5, Hamamatsu, Shizuoka, 20-24 Nov., 2023.

(C-109) D. Tanimura, R. Ogu, C. Zhang, F. Ito, Y. Yoshimura, H. Aoshika, and M. Imai, “Over 1 km large strain measurement with 70+ times range expansion by using phase-noise compensated OFDR,” International Conference on Optical Fiber Sensors (OFS), paper F2.5, Hamamatsu, Shizuoka, 20-24 Nov., 2023. (Post-deadline paper)

(C-110) C. Zhang and A. Nakamura, "Exploring the potential of light detection and ranging for Society 5.0," Information Photonics, OPTICS & PHOTONICS International Congress (OPIC), IP6-01, Yokohama, Kanagawa, Apr.2024. (Invited)

(C-111) T. Nagata, Md. S. B. Ahmad Sharifuddin, Y. Kusaka, C. Zhang, F. Ito, A. Nakamura, and Y. Koshikiya, "Long-range FMCW LiDAR employing phase-noise compensation and optical frequency comb," European Conference on Optcal Communication (ECOC), W2A.142, Frankfurt, Germany, Sep. 2024.

(C-112) C. Zhang, "Exploring the potential of LiDAR for Society 5.0," Asia-Pacific Optical Sensors Conference (APOS), Sat5-2, Chengdu, Sichuan, China, Sep. 2024. (Invited)

(C-113) Md. S. B. Ahmad Sharifuddin, Y. Kusaka, T. Nagata, C. Zhang, F. Ito, A. Nakamura, and Y. Koshikiya, "Frequency-modulated continuous-wave 3D LiDAR employing sweeping nonlinearity compensation using a Fabry-Perot etalon," Asia-Pacific Optical Sensors Conference (APOS), APOS2024-0703-14, Chengdu, Sichuan, China, Sep. 2024. (Best Poster Award)

(C-114) A. Acharya, D. Tanimura, C. Zhang, F. Ito, T. Sakaki, M. Komatsu, I. Doi, and T. Kogure, "Geohydrological monitoring of slope using advanced distributed fibre-optic sensing: from laboratory study to field applications," European Regional Conference of IAEG (EUROENGEO), 246, Dubrovnik, Croatia, Oct. 2024.

(C-115) C. Zhang, “Linear optical sampling for optical fiber characterization and LiDAR applications”, International Conference on Emerging Technologies for Communications (IEICE ICETC), Kitakyushu, Fukuoka, Nov. 2024. (Invited)

(C-116) S. Hara, K. Nakao, R. Ogu, C. Zhang, and F. Ito, Y. Yoshimura, H. Aoshika, and M. Imai, “Remote structural health monitoring employing PNC-OFDR via optical fiber communication networks”, International Conference on Optical Fiber Sensors (OFS), paper, Porto, Portugal, May. 2025. (Submitted) 

(C-117) Y. Yoshimura, K. Fujiwara, Y. Taira, M. Imai, C. Zhang, and F. Ito, “Middle range, rapid strain sensing based on PNC-OFDR and its application to bridge monitoring”, International Conference on Structural Health Monitoring of Intelligent Infrastructure, Society for Civil Structural Health Monitoring (SCSHM, formerly ISHMII), Graz, Austria, Sep. 2025. (Accepted)