Prof. Tsuyoshi Konishi Profile

Prof. Tsuyoshi Konishi

Associate Professor at Osaka Univ

SPIE Involvement:

Conference Program Committee | Author

Publications (22)

Proceedings Article | 15 March 2023 Presentation + Paper

Data assimilation-based internal structure modeling for waveguide devices

Tsuyoshi Konishi, Junpei Funatsuki, Tomoya Kurahashi

Proceedings Volume 12438, 124380U (2023) https://doi.org/10.1117/12.2656521

KEYWORDS: Waveguides, Data modeling, Modeling, Wave propagation, Systems modeling, Nonlinear optics, Waveguide modes, Silicon, Inspection, Error analysis

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Proceedings Article | 15 March 2023 Presentation + Paper

Data aggregation technique for millimeter wave and terahertz band high frequency migration technology for beyond 5G

M. Makino, T. Tsuji, J. Nishioka, T. Akamatsu, S. Nakamura, Y. Konishi, N. Suzuki, T. Konishi

Proceedings Volume 12429, 1242903 (2023) https://doi.org/10.1117/12.2648700

KEYWORDS: Pulse signals, Terahertz radiation, Extremely high frequency, Dispersion, Signal processing, Orthogonal frequency division multiplexing, Free space, Time division multiplexing, Signal generators, Power consumption

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Proceedings Article | 5 March 2021 Presentation + Paper

Machine-learning-aided photonic hardware implementation incorporating natural optical phenomena

Tsuyoshi Konishi, Ryohei Kamikawa , Yu Yamasaki

Proceedings Volume 11703, 1170307 (2021) https://doi.org/10.1117/12.2578029

KEYWORDS: Optical properties, Data acquisition, Signal processing, Bridges, 3D acquisition

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Proceedings Article | 1 February 2019 Paper

Optical Nyquist pulse train generation by non-auxiliary wavelength selective switch in communication band

Koji Takahashi, Yu Yamasaki, Takashi Inoue, Tsuyoshi Konishi

Proceedings Volume 10947, 109470K (2019) https://doi.org/10.1117/12.2509014

KEYWORDS: Nyquist pulse, Multiplexing, Optical filters, Optical communications, Filtering (signal processing)

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Proceedings Article | 14 February 2018 Paper

Compact and cost-effective multi-channel optical spectrometer for fine FBG sensing in IoT technology

Tsuyoshi Konishi, Yu Yamasaki

Proceedings Volume 10551, 105510L (2018) https://doi.org/10.1117/12.2297230

KEYWORDS: Spectroscopy, Fiber Bragg gratings, Spectral resolution, Resolution enhancement technologies, Optical networks, Sensors, Temperature metrology, Sensor networks, Fiber optics sensors, Temperature sensors

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Proceedings Article | 22 February 2017 Presentation + Paper

Optical pulse waveform profiling through real-time stamping to corresponding characteristic spectra

Tsuyoshi Konishi, Yu Yamasaki, Tomotaka Nagashima

Proceedings Volume 10089, 1008909 (2017) https://doi.org/10.1117/12.2256482

KEYWORDS: Profiling, Detection and tracking algorithms, Optical testing, Wave propagation, Fourier transforms, Polarization, Spectrum analysis, Ultrafast phenomena, Mode locking, Pulsed laser operation, Nonlinear optics, Single mode fibers, Phase measurement, Picosecond phenomena

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Proceedings Article | 7 February 2015 Paper

Photonic analog-to-digital conversion with emphasis on parallel-configuration-free aspect

Tsuyoshi Konishi, Makoto Hasegawa, Tomotaka Nagashima

Proceedings Volume 9389, 938908 (2015) https://doi.org/10.1117/12.2080959

KEYWORDS: Analog electronics, Quantization, Binary data, Palladium, Signal processing, Optical interconnects, Data communications, Photodetectors, Wavelength division multiplexing, Spectral resolution

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Proceedings Article | 6 November 2010 Paper

Adaptive intensity stabilization of ultra-short optical pulse for optical measurement and metrology

Tsuyoshi Konishi, Kentaro Kawanishi

Proceedings Volume 7849, 78490H (2010) https://doi.org/10.1117/12.873881

KEYWORDS: Optical limiting, Optical testing, Photonics, Scanning probe microscopy, Metrology, Light sources, Bandpass filters, Eye, Telecommunications, Reliability

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Proceedings Article | 19 October 2006 Paper

Wavelength- and time-division reconfigurable optical add/drop multiplexer (ROADM) using a time-space conversion and a MEMS optical switch

R. Itoh, T. Konishi, K. Itoh

Proceedings Volume 6353, 63530E (2006) https://doi.org/10.1117/12.688807

KEYWORDS: Microelectromechanical systems, Optical switching, Switching, Wavelength division multiplexing, Multiplexers, Liquid crystals, Switches, Photonic integrated circuits, Polarization, Quantum wells

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Proceedings Article | 3 October 2006 Paper

All-optical analog-to-digital conversion using optical interconnection for gray code coding

Takashi Nishitani, Tsuyoshi Konishi, Kazuyoshi Itoh

Proceedings Volume 6353, 63530H (2006) https://doi.org/10.1117/12.688607

KEYWORDS: Optical interconnects, Quantization, Analog electronics, Binary data, Signal detection, Optical communications, Digital signal processing, Optical attenuators, Fiber lasers, Signal processing

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Proceedings Article | 11 January 2005 Paper

Sensitive detection of ultrafast multitransitional spectral patterns by using optical spectrogram scope (OSS)

Tsuyoshi Konishi, Kazunori Tanimura, Takehito Oonishi, Kazuyoshi Itoh

Proceedings Volume 5642, (2005) https://doi.org/10.1117/12.565206

KEYWORDS: Optical filters, Signal detection, Electronic filtering, Optical signal processing, Ultrafast phenomena, Sensors, Data acquisition, Interferometry, Time-frequency analysis, Filtering (signal processing)

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Proceedings Article | 19 November 2003 Paper

Ultimate: ultrafast all-optical processors for temporal-spatial information processing and conversion

Yoshiki Ichioka, Tsuyoshi Konishi

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.524624

KEYWORDS: Ultrafast phenomena, Data processing, Signal processing, Modulation, Ultrafast imaging, Image processing, Image transmission, Laser processing, Optical fibers, Fiber optic communications

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Proceedings Article | 19 November 2003 Paper

Optical spectrogram scope (OSS) for measurement of ultrashort pulse in 1.5µm optical communication band

Tsuyoshi Konishi, Kazunori Tanimura, Yoshinori Oshita, Yoshiki Ichioka

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.529676

KEYWORDS: Ultrafast phenomena, Optical communications, Visualization, Nonlinear optics, Ultrafast measurement systems, Communication engineering, Optical fibers, Fiber lasers, Ultrafast imaging, Interferometry

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Proceedings Article | 3 November 2003 Paper

Synthesis of polarization-selective optical components with multilayer subwavelength structures

Wanji Yu, Hisao Kikuta, Tsuyoshi Konishi

Proceedings Volume 5183, (2003) https://doi.org/10.1117/12.503927

KEYWORDS: Refractive index, Wave plates, Optical components, Dielectrics, Dielectric polarization, Diffraction, Thin films, Polarization, Polarizers, Silica

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Proceedings Article | 23 January 2002 Paper

Optical spectrogram scope (OSS) for measurement of ultrashort pulses

Tsuyoshi Konishi, Kazunori Tanimura, Yoshinori Oshita, Yoshiki Ichioka

Proceedings Volume 4459, (2002) https://doi.org/10.1117/12.454015

KEYWORDS: Ultrafast phenomena, Crystals, Crystal optics, Optical properties, Optical storage, Visualization

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Proceedings Article | 19 October 2000 Paper

Ultrafast all-optical processor for time-to-two-dimensional space conversion by using second harmonic generation

Tsuyoshi Konishi, Yoshinori Oshita, Yoshiki Ichioka

Proceedings Volume 4110, (2000) https://doi.org/10.1117/12.404779

KEYWORDS: Ultrafast phenomena, Harmonic generation, Pulsed laser operation, Data processing, Time-frequency analysis, Modulation, Photonics systems, Interfaces, Nonlinear crystals, Data conversion

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Proceedings Article | 24 May 2000 Paper

Ultrafast direct encoding of ultrashort pulse with 2D-space information by using optical 2D-space-to-time conversion system

Tsuyoshi Konishi, Yoshinori Oshita, Yoshiki Ichioka

Proceedings Volume 4089, (2000) https://doi.org/10.1117/12.386803

KEYWORDS: Ultrafast phenomena, Electronic filtering, Optical filters, Computer programming, Time-frequency analysis, Modulation, Wavelets, Optical fibers, Data processing, Signal processing

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Proceedings Article | 19 July 1999 Paper

Optical 2D space-to-time conversion system by using spectral holography

Tsuyoshi Konishi, Yoshiki Ichioka

Proceedings Volume 3749, (1999) https://doi.org/10.1117/12.354724

KEYWORDS: Holography, Holograms, Ultrafast phenomena, Time-frequency analysis, Optical filters, Image processing, Image transmission, Signal attenuation, Pulsed laser operation, Silicon

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Proceedings Article | 29 April 1999 Paper

Temporal-spatial optical information processing and transmission

Yoshiki Ichioka, Tsuyoshi Konishi

Proceedings Volume 3729, (1999) https://doi.org/10.1117/12.346774

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Proceedings Article | 22 May 1998 Paper

Ultrafast space-to-time-to-space optical information processing and transmission

Tsuyoshi Konishi, Yoshiki Ichioka

Proceedings Volume 3490, (1998) https://doi.org/10.1117/12.308940

KEYWORDS: Time-frequency analysis, Pulse shaping, Wavelets, Ultrafast phenomena, Electronic filtering, Wavelet transforms, Optical signal processing, Pulsed laser operation, Spatial filters, Optical filters

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Proceedings Article | 22 September 1997 Paper

Temporal-spatial optical information processing

Yoshiki Ichioka, Tsuyoshi Konishi

Proceedings Volume 3137, (1997) https://doi.org/10.1117/12.279184

KEYWORDS: Image transmission, Ultrafast phenomena, Telecommunications, Fiber optic communications, Image processing, Pulsed laser operation, Fourier transforms, Diffraction gratings, Modulation, Optical signal processing

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Proceedings Article | 1 September 1996 Paper

Functional tone representation in visual area coding technique (VACT) by controlling irradiation illuminance

Tsuyoshi Konishi

Proceedings Volume 2778, 277875 (1996) https://doi.org/10.1117/12.2299140

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Showing 5 of 22 publications

Conference Committee Involvement (25)

Next-Generation Optical Communication: Components, Sub-Systems, and Systems XIII

29 January 2024 | San Francisco, California, United States

Next-Generation Optical Communication: Components, Sub-Systems, and Systems XII

31 January 2023 | San Francisco, California, United States

Optical Design and Testing XII

5 December 2022 | Online Only, China

Next-Generation Optical Communication: Components, Sub-Systems, and Systems XI

26 January 2022 | San Francisco, California, United States

Optical Design and Testing XI

10 October 2021 | Nantong, JS, China

Next-Generation Optical Communication: Components, Sub-Systems, and Systems X

6 March 2021 | Online Only, California, United States

Optical Design and Testing X

12 October 2020 | Online Only, China

Next-Generation Optical Communication: Components, Sub-Systems, and Systems IX

5 February 2020 | San Francisco, California, United States

Optical Design and Testing IX

21 October 2019 | Hangzhou, China

Next-Generation Optical Communication: Components, Sub-Systems, and Systems VIII

6 February 2019 | San Francisco, California, United States

Optical Design and Testing VIII

11 October 2018 | Beijing, China

Next-Generation Optical Communication: Components, Sub-Systems, and Systems VII

29 January 2018 | San Francisco, California, United States

Next-Generation Optical Communication: Components, Sub-Systems, and Systems VI

31 January 2017 | San Francisco, California, United States

Optical Design and Testing VII

12 October 2016 | Beijing, China

Next-Generation Optical Communication: Components, Sub-Systems, and Systems V

16 February 2016 | San Francisco, California, United States

Real-time Measurements, Rogue Events, and Emerging Applications

15 February 2016 | San Francisco, California, United States

Optical Design and Testing VI

9 October 2014 | Beijing, China

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VII

25 August 2013 | San Diego, California, United States

Optical Design and Testing V

5 November 2012 | Beijing, China

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VI

12 August 2012 | San Diego, California, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V

21 August 2011 | San Diego, California, United States

Optical Design and Testing IV

18 October 2010 | Beijing, China

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IV

1 August 2010 | San Diego, California, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications III

2 August 2009 | San Diego, California, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications II

12 August 2008 | San Diego, California, United States

Showing 5 of 25 Conference Committees

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