Tomotaka Nagashima

发表

OFDM to OTDM conversion by fractional Fourier transform

Naoya Wada, Makoto Hasegawa, Tsuyoshi Konishi, 2014, Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on.

Fractional-OFDM Transmission for Time/Frequency Multiplexing in Elastic Networks

Naoya Wada, Tsuyoshi Konishi, Gabriella Cincotti, 2015 .

Suppression Effect on Nonlinear Distortion in Long Haul Transmission using Fractional OFDM Subcarriers

Naoya Wada, Gabriella Cincotti, Hiroyuki Uenohara, 2019, 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC).

Flexible OFDM-based access systems with intrinsic function of chromatic dispersion compensation

Naoya Wada, Tsuyoshi Konishi, Gabriella Cincotti, 2015 .

Quantization Error Improvement for Optical Quantization Using Dual Rail Configuration

Makoto Hasegawa, Tsuyoshi Konishi, Takuya Murakawa, 2015, IEICE Trans. Electron..

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

Tsuyoshi Konishi, Tomotaka Nagashima, Yu Yamasaki, 2017, LASE.

Performance evaluation of fractional OFDM for extending transmission distance without reducing spectral efficiency

Tsuyoshi Konishi, Gabriella Cincotti, Hiroyuki Uenohara, 2019 .

Photonic analog-to-digital conversion for energy-conscious architecture

Makoto Hasegawa, Tsuyoshi Konishi, Tomotaka Nagashima, 2015, 2015 Opto-Electronics and Communications Conference (OECC).

Parallel use of dispersion devices for resolution improvement of optical quantization at high sampling rate

Kazuyoshi Itoh, Tsuyoshi Konishi, Tomotaka Nagashima, 2013, 2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEOPR).

Flexible power-efficient Nyquist-OTDM transmitter, using a WSS and time-lens effect

Naoya Wada, Makoto Hasegawa, Tsuyoshi Konishi, 2015, 2015 Optical Fiber Communications Conference and Exhibition (OFC).

Insertion of cyclic prefix for all-optical fractional OFDM

Naoya Wada, Tsuyoshi Konishi, Gabriella Cincotti, 2015 .

Emulation technique for AWG-based optical fractional OFDM device development by WSS

Naoya Wada, Tsuyoshi Konishi, Gabriella Cincotti, 2014 .

Advanced optical pulse signal profiling using distributable "optical pulse ruler"

Takuya Murakawa, Tomotaka Nagashima, Tsuyoshi Konishi, 2014, OFC.

Experimental emulation of nonlinear distortion suppression by FrOFDM subcarriers

Hiroyuki Uenohara, Masayuki Okuno, Shinji Mino, 2020, IEICE Electron. Express.

Power efficient optical serial-to-parallel conversion using fractional OFDM-based linear technique

Naoya Wada, Tsuyoshi Konishi, Gabriella Cincotti, 2017, IEICE Electron. Express.

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

Tsuyoshi Konishi, Tomotaka Nagashima, M. Hasegawa, 2015, Photonics West - Optoelectronic Materials and Devices.

Advanced optical pulse signal profiling using distributable “optical pulse ruler”

Tsuyoshi Konishi, Takuya Murakawa, Tomotaka Nagashima, 2014, OFC 2014.

Experimental demonstration of cyclic prefix insertion for all-optical fractional OFDM

Tsuyoshi Konishi, N. Wada, Gabriella Cincotti, 2017 .

Cost effective all-optical fractional OFDM receiver using an arrayed waveguide grating

Naoya Wada, Tsuyoshi Konishi, Gabriella Cincotti, 2016 .

Peak-to-average power ratio reduction of transmission signal of all-optical orthogonal time/frequency domain multiplexing using fractional Fourier transform

Tsuyoshi Konishi, N. Wada, Gabriella Cincotti, 2017 .

Sampling Rate Independent Resolution Upgrade for All-Optical Analog-to-Digital Conversion

Tsuyoshi Konishi, Tomotaka Nagashima, Makoto Hasegawa, 2015 .

Optical quantization for 7-bit photonic A/D conversion

Tsuyoshi Konishi, Tomotaka Nagashima, Takema Satoh, 2013, 2013 15th International Conference on Transparent Optical Networks (ICTON).

Resolution upgrade toward 6-bit optical quantization using power-to-wavelength conversion for photonic analog-to-digital conversion.

Tsuyoshi Konishi, Tomotaka Nagashima, Koji Takahashi, 2013, Optics letters.

Super spectral resolution beyond pixel Nyquist limits on multi-channel spectrometer.

Tsuyoshi Konishi, Tomotaka Nagashima, Yu Yamasaki, 2016, Optics express.

OFDM to OTDM Conversion by Optical Fractional Fourier Transform

Naoya Wada, Tsuyoshi Konishi, Gabriella Cincotti, 2014 .

40 GSample/s All-Optical Analog to Digital Conversion With Resolution Degradation Prevention

Tsuyoshi Konishi, Tomotaka Nagashima, Makoto Hasegawa, 2017, IEEE Photonics Technology Letters.