Toshikazu Hashimoto

发表

Wavelength selective switch for multi-core fiber based space division multiplexed network with core-by-core switching capability

Mitsunori Fukutoku, Yutaka Miyamoto, Kenya Suzuki, 2016, 2016 21st OptoElectronics and Communications Conference (OECC) held jointly with 2016 International Conference on Photonics in Switching (PS).

56-Gbit/s 40-km optical-amplifier-less transmission with NRZ format using high-speed avalanche photodiodes

Hideaki Matsuzaki, Toshikazu Hashimoto, Masahiro Nada, 2016, 2016 Optical Fiber Communications Conference and Exhibition (OFC).

6×6 Wavelength Cross Connect with 2-f and 4-f Optical Systems for SDM Photonic Nodes

Kenya Suzuki, Keita Yamaguchi, Toshikazu Hashimoto, 2019, 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC).

Optical Nyquist-filtering multi/demultiplexer with PLC for 1-Tb/s class super-channel transceiver

Hiroshi Yamazaki, Mikitaka Itoh, Toshikazu Hashimoto, 2015, 2015 Optical Fiber Communications Conference and Exhibition (OFC).

Identification of loss factors by evaluating backscattered modal loss ratio obtained with 1-µm-band mode-detection OTDR

Atsushi Nakamura, Tetsuya Manabe, Mikitaka Itoh, 2015, 2015 Optical Fiber Communications Conference and Exhibition (OFC).

Lossless Hybrid Integrated 8-ch Optical Wavelength Selector Module Using PLC Platform and PLC-PLC Direct Attachment Techniques

Naoto Yoshimoto, Toshikazu Hashimoto, Shinji Mino, 1998 .

Wavefront-Matching-Method-Designed Six-Mode-Exchanger Based on Grating-Like Waveguide on Silica-PLC Platform

Taiji Sakamoto, Kazuhide Nakajima, Toshikazu Hashimoto, 2020, 2020 Optical Fiber Communications Conference and Exhibition (OFC).

Discrete Multitone Transmission at Net Data Rate of 250 ${\text{Gb/s}}$ Using Digital-Preprocessed Analog-Multiplexed DAC With Halved Clock Frequency and Suppressed Image

Munehiko Nagatani, Hideyuki Nosaka, Yutaka Miyamoto, 2017, Journal of Lightwave Technology.

Highly Energy-Efficient Receiver Module for 100-Gbps Burst-Mode Optical Packets

Tatsushi Nakahara, Ryo Takahashi, Toshikazu Hashimoto, 2017 .

Fast optical switching technologies for inter/intra data center networks

Hiroshi Ishikawa, Tatsushi Nakahara, Toshikazu Hashimoto, 2019, OPTO.

Digital-Preprocessed Analog-Multiplexed DAC Technology for High-Speed Optical Transmission

Munehiko Nagatani, Hideyuki Nosaka, Hiroshi Yamazaki, 2017 .

Demonstration of Ultrafast Complex-Valued Photonic Reservoir Computing

Mitsumasa Nakajima, Toshikazu Hashimoto, Takashi Goh, 2018 .

InP-PD integration on silica-based PLC for QPSK receiver

Mikitaka Itoh, Toshikazu Hashimoto, 2013, Photonics West - Optoelectronic Materials and Devices.

Reduction of phase-difference deviation in 90° optical hybrid over wide wavelength range

Hiroshi Takahashi, Toshikazu Hashimoto, Yohei Sakamaki, 2010, IEICE Electron. Express.

A Hybrid Integrated Optical WDM Transmitter/Receiver Module for Optical Subscriber Systems Utilizing a Planar Lightwave Circuit Platform

Y. Akatsu, Toshikazu Hashimoto, Yasuyuki Inoue, 1995 .

Ultra-Wideband Digital-to-Analog Conversion Technologies for Tbit/s channel transmission

Munehiko Nagatani, Hideyuki Nosaka, Yutaka Miyamoto, 2017, 2017 European Conference on Optical Communication (ECOC).

Novel Lambda-Rich Data Center Network: From Underlying Principles to Candidate Technologies

Toshikazu Hashimoto, Salah Ibrahim, 2019, 2019 Optical Fiber Communications Conference and Exhibition (OFC).

160-Gbps Nyquist PAM4 transmitter using a digital-preprocessed analog-multiplexed DAC

Munehiko Nagatani, Hideyuki Nosaka, Yutaka Miyamoto, 2015, 2015 European Conference on Optical Communication (ECOC).

New Planar Lightwave Circuit (PLC) Platform Eliminating Si Terraces and Its Application to Opto-Electronic Hybrid Integrated Modules

Akimasa Kaneko, Toshikazu Hashimoto, Takaharu Ohyama, 2001 .

In-band OSNR monitors comprising programmable delay line interferometer integrated with wavelength selective switch by spatial and planar optical circuit

Kenya Suzuki, Mitsumasa Nakajima, Keita Yamaguchi, 2016, 2016 Optical Fiber Communications Conference and Exhibition (OFC).

Contention-Less Scheduling-Free Torus Optical Network Comprising Thousands of Nodes

Satoshi Shigematsu, Toshikazu Hashimoto, Salah Ibrahim, 2018, 2018 European Conference on Optical Communication (ECOC).

Investigation of All-Optical Wavelength Conversion with 2-Stage-Comb-Generated Pump for High Frequency Resolution

Toshikazu Hashimoto, Hiroyuki Uenohara, Kazunori Seno, 2019, 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC).

Transmission of 400-Gbps Discrete Multi-Tone Signal Using >100-GHz-Bandwidth Analog Multiplexer and InP Mach-Zehnder Modulator

Munehiko Nagatani, Hideyuki Nosaka, Yutaka Miyamoto, 2018, 2018 European Conference on Optical Communication (ECOC).

Hybrid External Cavity Lasers Composed of Spot-Size Converter Integrated LDs and UV Written Bragg Gratings in a Planar Lightwave Circuit on Si(Special Issue on Advanced Optical Devices for Next Generation Photonic Networks)

Toshikazu Hashimoto, Akira Himeno, Yasufumi Yamada, 2000 .

Full duplex 1300/1550-nm-WDM optical transceiver modules for ATM-PON systems using PLC-hybrid-integration and CMOS IC technologies

Noboru Ishihara, Toshikazu Hashimoto, Hideaki Kimura, 1998, 24th European Conference on Optical Communication. ECOC '98 (IEEE Cat. No.98TH8398).

Optical multi-cast multi-pole multi-throw switch using holography and its application to 2-degree ROADM Node

Kenya Suzuki, Mitsumasa Nakajima, Keita Yamaguchi, 2015, 2015 International Conference on Photonics in Switching (PS).

Application of planar lightwave circuit platform to hybrid integrated optical WDM transmitter/receiver module

Toshikazu Hashimoto, Yasuyuki Inoue, Yasufumi Yamada, 1995 .

Highly reliable and low-cost plastic modules of spot size converter integrated laser diodes for access network systems

H. Toba, Toshikazu Hashimoto, Fumiaki Hanawa, 1997 .

SDM-compatible dynamic gain equalizer using spatial and planar optical circuit

Mitsunori Fukutoku, Yutaka Miyamoto, Hirotaka Ono, 2017, 2017 Optical Fiber Communications Conference and Exhibition (OFC).

A 1.55-æm Hybrid Integrated Wavelength-Converter Module Using Spot-Size Converter Integrated Semiconductor Optical Amplifiers on a Planar-Lightwave-Circuit Platform

H. Toba, Naoto Yoshimoto, Toshikazu Hashimoto, 1999 .

High-linearity avalanche photodiode for 40-km transmission with 28-Gbaud PAM4

Hiroshi Yamazaki, Hideaki Matsuzaki, Toshikazu Hashimoto, 2015, 2015 Optical Fiber Communications Conference and Exhibition (OFC).

Photonic Hierarchal Reservoir Computing

Mitsumasa Nakajima, Toshikazu Hashimoto, Kenji Tanaka, 2019 .

Loss reduction of silica-based 8 × 8 optical matrix switch by optimizing waveguide crossings using WFM method

Hiroshi Takahashi, Toshikazu Hashimoto, Tomohiro Shibata, 2007, IEICE Electron. Express.

Wide-Passband $\mathrm{C}+\mathrm{L}$-Band Wavelength Selective Switch by Alternating Wave-Band Arrangement on LCOS

Kenya Suzuki, Keita Yamaguchi, Toshikazu Hashimoto, 2018, 2018 European Conference on Optical Communication (ECOC).

Integrated Wavelength Selective Switch Array for Space Division Multiplexed Network with Ultra-Low Inter-Spatial Channel Crosstalk

Mitsunori Fukutoku, Yutaka Miyamoto, Kenya Suzuki, 2018, 2018 Optical Fiber Communications Conference and Exposition (OFC).

Over-100-Spatial-Channel Programmable Spectral Processor for SDM Signal Monitoring

Mitsunori Fukutoku, Yutaka Miyamoto, Kenya Suzuki, 2018, 2018 Optical Fiber Communications Conference and Exposition (OFC).

96Gbaud Nyquist-PDM-QPSK signal transmission over 12,120km using DP-AM-DAC and decision-feedback equalizer

Munehiko Nagatani, Hideyuki Nosaka, Yutaka Miyamoto, 2016, 2016 21st OptoElectronics and Communications Conference (OECC) held jointly with 2016 International Conference on Photonics in Switching (PS).

Automated Optical Waveguide Design Based on Wavefront Matching Method

Toshikazu Hashimoto, 2020, 2020 Optical Fiber Communications Conference and Exhibition (OFC).

Digital-Preprocessed Analog-Multiplexed DAC for Ultrawideband Multilevel Transmitter

Munehiko Nagatani, Hideyuki Nosaka, Yutaka Miyamoto, 2016, Journal of Lightwave Technology.

Digital-Preprocessed Analog-Multiplexed DAC for High-Speed Optical Communications

Takayuki Kobayashi, Munehiko Nagatani, Hideyuki Nosaka, 2019, 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC).

First investigation and reduction of inter-WSS crosstalk in multiple-arrayed WSSs for large-scale optical node

Shingo Kawai, Yutaka Miyamoto, Yoshiaki Sone, 2017, 2017 Opto-Electronics and Communications Conference (OECC) and Photonics Global Conference (PGC).

High-efficiency multiple-light-source red-green-blue power combiner with optical waveguide mode coupling technique

Mikitaka Itoh, Toshikazu Hashimoto, Kei Watanabe, 2017, OPTO.

Burst-Mode Optical-Clock-Pulse Generator with Enhanced Sensitivity

Tatsushi Nakahara, Toshikazu Hashimoto, Salah Ibrahim, 2019, 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC).

Low-cost and high-performance hybrid WDM module integrated on a PLC platform for fiber-to-the-home

Masaki Wada, Noboru Ishihara, Toshikazu Hashimoto, 1996, Proceedings of European Conference on Optical Communication.

A 2.5 Gb/s, 4-channel multiwavelength light source composed of UV written waveguide gratings and laser diodes integrated on Si

Takuya Tanaka, Toshikazu Hashimoto, Yasufumi Yamada, 1997 .

Compound-eye metasurface optics enabling a high-sensitivity, ultra-thin polarization camera.

Toshikazu Hashimoto, Masashi Miyata, Mitsumasa Nakajima, 2020, Optics express.

Optical hybrid integration using planar lightwave circuit platform

Toshikazu Hashimoto, Ikuo Ogawa, 2002, SPIE OPTO.

New Optical Waveguide Design Based on

Toshikazu Hashimoto, Hiroshi Takahashi, Yohei Sakamaki, 2007 .

Channel-allocation-adaptive WDM signal observation based on sequential ultrafast field sampling

Fumihiko Ito, Toshikazu Hashimoto, Yohei Sakamaki, 2009, 2009 35th European Conference on Optical Communication.

Ultra-Wide-Bandwidth DAC Using a Digital Preprocessor and an Analog Multiplexer for Optical Systems

Munehiko Nagatani, Hideyuki Nosaka, Akihide Sano, 2016 .

Generation of 448-Gbps OTDM-PDM-16QAM signal with an integrated modulator using orthogonal CSRZ pulses

Yutaka Miyamoto, Akihide Sano, Hiroshi Yamazaki, 2015, 2015 Optical Fiber Communications Conference and Exhibition (OFC).

Compact and Athermal DQPSK Demodulator with Silica-Based Planar Lightwave Circuit

Hiroshi Takahashi, Toshikazu Hashimoto, Yasuyuki Inoue, 2010, IEICE Trans. Electron..

Integrated Photonic Devices and Applications for 100GbE-and-Beyond Datacom

Hiroshi Yamazaki, Hiroaki Sanjoh, Toshikazu Hashimoto, 2016, IEICE Trans. Electron..

Wavefront matching method as a deep neural network and mutual use of their techniques

Toshikazu Hashimoto, 2021 .

Color Splitting Micro-metalenses for High-sensitivity Color Image Sensors

Kota Shikama, Toshikazu Hashimoto, Masashi Miyata, 2021, 2021 Conference on Lasers and Electro-Optics (CLEO).

Multilane Photonic Spectral Processor Integrated in a Spatial and Planar Optical Circuit for a Space-Division Multiplexing Network

Mitsunori Fukutoku, Yutaka Miyamoto, Mitsumasa Nakajima, 2018, Journal of Lightwave Technology.

Compact Hybrid Integrated 100-Gb/s Transmitter Optical Sub-Assembly Using Optical Butt-Coupling Between EADFB Lasers and Silica-Based AWG Multiplexer

Hiroaki Sanjoh, Toshikazu Hashimoto, Takaharu Ohyama, 2016, Journal of Lightwave Technology.

Hybrid integrated gain-clamped SOA module using UV-gratings on PLC platform

Toshikazu Hashimoto, I. Ogawa, Yuichi Tohmori, 2002 .

1.3/1.55-æm Full-Duplex WDM Optical Transceiver Modules for ATM-PON (PDS) Systems Using PLC-Hybrid-Integration and CMOS-IC Technologies

Kazutoshi Kato, Noboru Ishihara, Toshikazu Hashimoto, 1999 .

Compact Hybrid-Integrated 100-Gb/s TOSA Using EADFB Laser Array and AWG Multiplexer

Hiroaki Sanjoh, Toshikazu Hashimoto, Takaharu Ohyama, 2016, IEEE Photonics Technology Letters.

Loss Cause Identification by Evaluating Backscattered Modal Loss Ratio Obtained With 1-μm-Band Mode-Detection OTDR

Tetsuya Manabe, Mikitaka Itoh, Toshikazu Hashimoto, 2016, Journal of Lightwave Technology.

Dual polarisation optical hybrid using silica-based planar lightwave circuit technology for digital coherent receiver

Hiroshi Yamazaki, Toshikazu Hashimoto, Takayuki Mizuno, 2010 .

Compact High-Responsivity Receiver Optical Subassembly With a Multimode-Output-Arrayed Waveguide Grating for 100-Gb/s Ethernet

Toshikazu Hashimoto, Yoshiyuki Doi, Ikuo Ogawa, 2015, Journal of Lightwave Technology.

Hybrid integrated external cavity laser using 1.5% ΔPLC

Masashi Abe, Toshikazu Hashimoto, I. Ogawa, 2005 .

Integrated external cavity laser composed of spot-size converted LD and UV written grating in silica waveguide on Si

Jacques Albert, Toshikazu Hashimoto, Yasufumi Yamada, 1996 .

Silica-based, compact and variable-optical-attenuator integrated coherent receiver with stable optoelectronic coupling system.

Kimikazu Sano, Toshikazu Hashimoto, Koichi Murata, 2012, Optics express.

Multichip optical hybrid integration technique with planar lightwave circuit platform

Toshikazu Hashimoto, Akahori Yuji, Yasufumi Yamada, 1998 .

Heterogeneously Integrated PLC With Low-Loss Spot-Size Converter and Newly Developed Waveplate PBS for DC-DP-16QAM Receiver

Shinichi Aozasa, Hiroshi Yamazaki, Mikitaka Itoh, 2015, Journal of Lightwave Technology.

High-Sensitivity Color Imaging Using Pixel-Scale Color Splitters Based on Dielectric Metasurfaces

Mitsumasa Nakajima, Toshikazu Hashimoto, Masashi Miyata, 2019, ACS Photonics.

A 10 Gb/s hybrid-integrated receiver array module using a planar lightwave circuit (PLC) platform including a novel assembly region structure

Toshikazu Hashimoto, Shinji Mino, Takaharu Ohyama, 1996 .

High-Sensitivity Detection of Fiber Bends: 1-μm-Band Mode-Detection OTDR

Tetsuya Manabe, Mikitaka Itoh, Toshikazu Hashimoto, 2015, Journal of Lightwave Technology.

Passively aligned hybrid WDM module integrated with a spot-size converted laser diode and waveguide photodiode on a PLC platform for fiber-to-the-home

Masanori Nakamura, Noboru Ishihara, Toshikazu Hashimoto, 1996 .

High frequency electrical circuits on a planar lightwave circuit platform

Toshikazu Hashimoto, Shinji Mino, Takaharu Ohyama, 1996 .

Hybrid integrated four-channel SS-SOA array module using planar lightwave circuit platform

Naoto Yoshimoto, Toshikazu Hashimoto, Akira Himeno, 1998 .

IMDD Transmission at Net Data Rate of 333 Gb/s Using Over-100-GHz-Bandwidth Analog Multiplexer and Mach–Zehnder Modulator

Munehiko Nagatani, Hideyuki Nosaka, Yutaka Miyamoto, 2019, Journal of Lightwave Technology.

MxN wavelength selective switches using beam splitting by space light modulators

Mitsumasa Nakajima, Keita Yamaguchi, Yuichiro Ikuma, 2015, 2015 Opto-Electronics and Communications Conference (OECC).

Multi-chip hybrid integration on PLC platform using passive alignment technique

M. Horiguchi, Toshikazu Hashimoto, Yasufumi Yamada, 1996, 1996 Proceedings 46th Electronic Components and Technology Conference.