Shogo Ura

Summary

Affiliation: Kyoto Institute of Technology
Country: Japan

Publications

  1. doi request reprint In-line rotation sensor based on VCSEL behavior under polarization-rotating optical feedback
    Shogo Ura
    Department of Electronics, Kyoto Institute of Technology, Matsugasaki, Kyoto 606 8585, Japan
    Opt Express 19:23683-8. 2011
  2. ncbi request reprint Design of resonance grating coupler
    Shogo Ura
    Department of Electronics, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo ku, Kyoto 606 8585, Japan
    Opt Express 16:12207-13. 2008
  3. ncbi request reprint Simultaneous interference exposure of different-period DBRs for intra-board WDM optical interconnection
    Shogo Ura
    Department of Electronics, Kyoto Institute of Technology, Matsugasaki, Sakyo ku, Kyoto 606 8585, Japan
    Opt Express 14:7057-62. 2006
  4. doi request reprint Single-shot femtosecond-pulsed phase-shifting digital holography
    Takashi Kakue
    Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo ku, Kyoto 606 8585, Japan
    Opt Express 20:20286-91. 2012
  5. doi request reprint Algorithm for reconstructing wide space-bandwidth information in parallel two-step phase-shifting digital holography
    Tatsuki Tahara
    Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo ku, Kyoto, 606 8585, Japan
    Opt Express 20:19806-14. 2012
  6. doi request reprint Compensation algorithm for the phase-shift error of polarization-based parallel two-step phase-shifting digital holography
    Tatsuki Tahara
    Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Kyoto 606 8585, Japan
    Appl Opt 50:B31-7. 2011
  7. doi request reprint Image reconstruction algorithm for recovering high-frequency information in parallel phase-shifting digital holography [Invited]
    Peng Xia
    Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Kyoto 606 8585, Japan
    Appl Opt 52:A210-5. 2013
  8. doi request reprint Parallel optical-path-length-shifting digital holography
    Yasuhiro Awatsuji
    Division of Electronics, Kyoto Institute of Technology, Matsugasaki, Sakyo ku, Kyoto, 606 8585, Japan
    Appl Opt 48:H160-7. 2009
  9. ncbi request reprint Parallel two-step phase-shifting digital holography
    Yasuhiro Awatsuji
    Division of Electronics, Kyoto Institute of Technology, Matsugasaki, Kyoto, Japan
    Appl Opt 47:D183-9. 2008
  10. doi request reprint Space-bandwidth extension in parallel phase-shifting digital holography using a four-channel polarization-imaging camera
    Tatsuki Tahara
    Graduate School of Science and Technology, Kyoto Institute of Technology, Kyoto, Japan
    Opt Lett 38:2463-5. 2013

Collaborators

  • Osamu Matoba
  • Satoshi Yamaguchi
  • Tatsuki Tahara
  • Yasuhiro Awatsuji
  • Kenzo Nishio
  • Toshihiro Kubota
  • Peng Xia
  • Takashi Kakue
  • Yuki Shimozato
  • Yasunori Ito
  • Kenichi Ito
  • Motofumi Fujii
  • Takamasa Koyama
  • Atsushi Kaneko
  • Yonghee Lee
  • Junichi Inoue
  • Akifumi Maeda
  • Seiya Itoh
  • Ryosuke Yonesaka

Detail Information

Publications19

  1. doi request reprint In-line rotation sensor based on VCSEL behavior under polarization-rotating optical feedback
    Shogo Ura
    Department of Electronics, Kyoto Institute of Technology, Matsugasaki, Kyoto 606 8585, Japan
    Opt Express 19:23683-8. 2011
    ..An in-line type rotation sensor utilizing this behavior is proposed. The sensor system was constructed and the detection principle was demonstrated...
  2. ncbi request reprint Design of resonance grating coupler
    Shogo Ura
    Department of Electronics, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo ku, Kyoto 606 8585, Japan
    Opt Express 16:12207-13. 2008
    ..Design consideration was theoretically discussed based on the coupled mode analysis. Predicted performance was simulated and confirmed by the finite difference time domain method...
  3. ncbi request reprint Simultaneous interference exposure of different-period DBRs for intra-board WDM optical interconnection
    Shogo Ura
    Department of Electronics, Kyoto Institute of Technology, Matsugasaki, Sakyo ku, Kyoto 606 8585, Japan
    Opt Express 14:7057-62. 2006
    ..Interference exposure system was developed and integration of eight DBRs by two times exposure was demonstrated...
  4. doi request reprint Single-shot femtosecond-pulsed phase-shifting digital holography
    Takashi Kakue
    Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo ku, Kyoto 606 8585, Japan
    Opt Express 20:20286-91. 2012
    ..The instantaneous change in phase caused by the spark discharge was clearly reconstructed. The reconstructed phase image shows the change of refractive index of air was -3.7 × 10(-4)...
  5. doi request reprint Algorithm for reconstructing wide space-bandwidth information in parallel two-step phase-shifting digital holography
    Tatsuki Tahara
    Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo ku, Kyoto, 606 8585, Japan
    Opt Express 20:19806-14. 2012
    ....
  6. doi request reprint Compensation algorithm for the phase-shift error of polarization-based parallel two-step phase-shifting digital holography
    Tatsuki Tahara
    Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Kyoto 606 8585, Japan
    Appl Opt 50:B31-7. 2011
    ..Thus, the effectiveness of the proposed algorithm was numerically and experimentally verified...
  7. doi request reprint Image reconstruction algorithm for recovering high-frequency information in parallel phase-shifting digital holography [Invited]
    Peng Xia
    Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Kyoto 606 8585, Japan
    Appl Opt 52:A210-5. 2013
    ..Then the high-frequency information of the reconstructed image is recovered. The effectiveness of the proposed algorithm was verified by a numerical simulation and an experiment...
  8. doi request reprint Parallel optical-path-length-shifting digital holography
    Yasuhiro Awatsuji
    Division of Electronics, Kyoto Institute of Technology, Matsugasaki, Sakyo ku, Kyoto, 606 8585, Japan
    Appl Opt 48:H160-7. 2009
    ..Also the results of the simulation and experiment agreed well with the images of an object. Thus the effectiveness of the proposed technique is verified...
  9. ncbi request reprint Parallel two-step phase-shifting digital holography
    Yasuhiro Awatsuji
    Division of Electronics, Kyoto Institute of Technology, Matsugasaki, Kyoto, Japan
    Appl Opt 47:D183-9. 2008
    ..Thus the effectiveness of the proposed technique is verified...
  10. doi request reprint Space-bandwidth extension in parallel phase-shifting digital holography using a four-channel polarization-imaging camera
    Tatsuki Tahara
    Graduate School of Science and Technology, Kyoto Institute of Technology, Kyoto, Japan
    Opt Lett 38:2463-5. 2013
    ..The effectiveness of the proposed method was numerically and experimentally verified. ..
  11. doi request reprint Multiwavelength parallel phase-shifting digital holography using angular multiplexing
    Tatsuki Tahara
    Graduate School of Science and Technology, Kyoto Institute of Technology, Kyoto, Japan
    Opt Lett 38:2789-91. 2013
    ..Angular multiplexing is utilized to record the complex amplitude of an object wave in each wavelength separately, and no color filter is required. The effectiveness of the proposed technique was experimentally verified. ..
  12. doi request reprint Single-shot dual-illumination phase unwrapping using a single wavelength
    Tatsuki Tahara
    Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Kyoto 606 8585, Japan
    Opt Lett 37:4002-4. 2012
    ..We conducted an experiment and a 2.5 mm height object, which was 9400 times height of the wavelength of the laser, was reconstructed without wrapping...
  13. doi request reprint Improvement of color reproduction in color digital holography by using spectral estimation technique
    Peng Xia
    Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Kyoto 606 8585, Japan
    Appl Opt 50:H177-82. 2011
    ..The effectiveness of the proposed method was confirmed by a numerical simulation and an experiment, and, in the results, the average color differences are decreased from 35.81 to 7.88 and from 43.60 to 25.28, respectively...
  14. doi request reprint Single-shot polarization-imaging digital holography based on simultaneous phase-shifting interferometry
    Tatsuki Tahara
    Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo ku, Kyoto, 606 8585, Japan
    Opt Lett 36:3254-6. 2011
    ..The validity of the proposed technique was confirmed by the preliminary experiments...
  15. doi request reprint Spatial-carrier phase-shifting digital holography utilizing spatial frequency analysis for the correction of the phase-shift error
    Tatsuki Tahara
    Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo ku, Kyoto, Japan
    Opt Lett 37:148-50. 2012
    ..The proposed technique does not require an iteration process to remove the unwanted images and has an advantage in the field of view in comparison to a conventional SCPS technique...
  16. doi request reprint High-speed phase imaging by parallel phase-shifting digital holography
    Takashi Kakue
    Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo ku, Kyoto 606 8585, Japan
    Opt Lett 36:4131-3. 2011
    ..In particular, we found the interesting phenomenon of periodic phase distributions. Reconstructed images were obtained at frame rates of 20,000 and 180,000 frames per second...
  17. doi request reprint Single-shot digital holography using a spectral estimation technique
    Peng Xia
    Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo ku, Kyoto 606 8585, Japan
    Appl Spectrosc 68:1296-301. 2014
    ..A spectral estimation technique is applied to estimate the spectral reflectance of the object from the reconstructed monochrome images. We experimentally succeed in estimating the spectral reflectance of a lemon by using the technique. ..
  18. ncbi request reprint Free-space-wave drop demultiplexing waveguide device fabricated by use of the interference exposure method
    Shogo Ura
    Department of Electronics and Information Science, Kyoto Institute of Technology, Matsugasaki, Sakyoku, Kyoto 606 8585, Japan
    Appl Opt 45:22-6. 2006
    ..Measured outcoupled wavelengths of two free-space waves from two pairs of a FGC and a DBR agreed with the design values of 845 and 849 nm...
  19. doi request reprint Experimental demonstration of parallel two-step phase-shifting digital holography
    Tatsuki Tahara
    Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo ku, Kyoto, 606 8585, Japan
    Opt Express 18:18975-80. 2010
    ..Also the capability of single-shot and three-dimensional imaging is demonstrated by the system...