Hitoshi Kawashima

发表

32×32 strictly non-blocking Si-wire optical switch on ultra-small die of 11×25 mm2

Ken Tanizawa, Shu Namiki, Keijiro Suzuki, 2015, 2015 Optical Fiber Communications Conference and Exhibition (OFC).

Ultra-Compact Si-Wire 8 8 Strictly-Non-Blocking PILOSS Switch

Yasushi Igarashi, Ken Tanizawa, Keijiro Suzuki, 2013 .

Dynamic optical path network: A network beyond SDN and SDM

Shu Namiki, Kiyo Ishii, Haruhiko Kuwatsuka, 2014, 2014 12th International Conference on Optical Internet 2014 (COIN).

Multi-port optical switch based on silicon photonics

Ken Tanizawa, Shu Namiki, Hiroyuki Matsuura, 2016, 2016 Optical Fiber Communications Conference and Exhibition (OFC).

Fast Frequency Tuning of Silicon-Photonic Thermo-optic MZI Filters using “Turbo Pulse” Method

Shu Namiki, Hiroyuki Matsuura, Keijiro Suzuki, 2018, 2018 Optical Fiber Communications Conference and Exposition (OFC).

Silicon photonics based 1 × 2 wavelength selective switch using fold-back arrayed-waveguide gratings

Hiroyuki Tsuda, Ken Tanizawa, Shu Namiki, 2018, IEICE Electron. Express.

Fast and accurate calibration method for large-port-count Si-wire PILOSS optical switch

Ken Tanizawa, Shu Namiki, Hiroyuki Matsuura, 2015 .

Novel PILOSS port assignment for compact polarization-diversity Si-wire optical switch

Ken Tanizawa, Shu Namiki, Keijiro Suzuki, 2016, 2016 Optical Fiber Communications Conference and Exhibition (OFC).

Photonic switching technologies to build a network free from energy and capacity crunch

Shu Namiki, Kiyo Ishii, Haruhiko Kuwatsuka, 2014, 2014 OptoElectronics and Communication Conference and Australian Conference on Optical Fibre Technology.

Phase error compensation for multilayered AWG in LCOS-based WSS

Masahiko Mori, Hiroyuki Tsuda, Hitoshi Kawashima, 2011, IEICE Electron. Express.

Silicon optical switch monolithically integrated with driver electronics and its power efficient driving

Koji Yamada, Ken Tanizawa, Shu Namiki, 2016, 2016 Progress in Electromagnetic Research Symposium (PIERS).

Strictly Non-Blocking Silicon Photonics Switches

Shu Namiki, Hiroyuki Matsuura, Keijiro Suzuki, 2016, 2016 Asia Communications and Photonics Conference (ACP).

SOA-Integrated Silicon Photonics Switch and Its Lossless Multistage Transmission of High-Capacity WDM Signals

Takashi Inoue, Shu Namiki, Keijiro Suzuki, 2019, Journal of Lightwave Technology.

Silicon-photonic matrix switches and control technologies to accelerate switching speed

Shu Namiki, Keijiro Suzuki, Kazuhiro Ikeda, 2020, International Conference on Photonics Solutions.

MEMS mirror with slot structures suitable for flexible-grid WSS

Masahiko Mori, Hiroyuki Tsuda, Hitoshi Kawashima, 2013, IEICE Electron. Express.

Polarization-Diversity 32 × 32 Si Photonics Switch with Non-Duplicate Diversity Circuit in Double-Layer Platform

Koji Yamada, Shu Namiki, Keijiro Suzuki, 2019, 2019 Optical Fiber Communications Conference and Exhibition (OFC).

Densely packed NxN wavelength cross-connect switch module

Hitoshi Kawashima, Yuto Yamashita, Kazuhiko Ikeda, 2015, Photonics West - Optoelectronic Materials and Devices.

Silicon photonics based switching technology for telecom, datacom and computercom

Ken Tanizawa, Shu Namiki, Keijiro Suzuki, 2015, 2015 IEEE Photonics Conference (IPC).

Fast Optical Circuit Switch Using Monolithically Integrated Silicon-Photonic Space Switch and Wavelength-Tuneable Filter

Yojiro Mori, Ken-ichi Sato, Mungun-Erdene Ganbold, 2018, 2018 European Conference on Optical Communication (ECOC).

Low Insertion Loss and Power Efficient 32 × 32 Silicon Photonics Switch with Extremely-High-Δ PLC Connector

Shu Namiki, Hiroyuki Matsuura, Keijiro Suzuki, 2018, 2018 Optical Fiber Communications Conference and Exposition (OFC).

Multiport optical switches integrated on Si photonics platform

Sang-Hun Kim, Ken Tanizawa, Shu Namiki, 2014, IEICE Electron. Express.

Polarization diversity circuit based on silica waveguides and photonic crystal waveplates for a 4×4 silicon optical switch

Hiroyuki Tsuda, Ken Tanizawa, Keijiro Suzuki, 2017, IEICE Electron. Express.

Reconfigurable 3-Channel All-Optical MIMO Circuit on Silicon Based on Multi-Plane Light Conversion

Takuo Tanemura, Yoshiaki Nakano, Ken Tanizawa, 2018, 2018 Optical Fiber Communications Conference and Exposition (OFC).

Small-sized Mach-Zehnder interferometer optical switch using thin film Ge2Sb2Te5 phase-change material

Hitoshi Kawashima, Hideaki Asakura, Hiroyuki Tsuda, 2014, OFC.

O-Band Strictly Non-Blocking 8 × 8 Silicon-Photonics Switch

Shu Namiki, Keijiro Suzuki, Guangwei Cong, 2020, 2020 Optical Fiber Communications Conference and Exhibition (OFC).

Built-In Microplanar Lens for Light Coupling to Two-Dimensional Photonic Crystal Waveguide

Hitoshi Kawashima, Yoshimasa Sugimoto, Kiyoshi Asakawa, 2012, IEICE Trans. Electron..

32×32 strictly-non-blocking Si-wire optical switch based on thermo-optic effects

Ken Tanizawa, Shu Namiki, Keijiro Suzuki, 2016, 2016 Progress in Electromagnetic Research Symposium (PIERS).

Accelerating switching speed of thermo-optic MZI silicon-photonic switches with "turbo pulse" in PWM control

Ken Tanizawa, Shu Namiki, Hiroyuki Matsuura, 2017, 2017 Optical Fiber Communications Conference and Exhibition (OFC).

Evaluation of the phase error in Si-wire arrayed-waveguide gratings fabricated by ArF-immersion photolithography

Hiroyuki Tsuda, Ken Tanizawa, Shu Namiki, 2015, IEICE Electron. Express.

Low-Loss, Low-Crosstalk, and Large-Scale Silicon Photonics Switch

Shu Namiki, Keijiro Suzuki, Satoshi Suda, 2019, 2019 Optical Fiber Communications Conference and Exhibition (OFC).

Large-scale silicon photonics switch based on 45-nm CMOS technology

Shu Namiki, Keijiro Suzuki, Kazuhiro Ikeda, 2020 .

Phase change characteristics of Ge2Sb2Te5 thin film for a self-holding optical gate switch

Hitoshi Kawashima, Xiaomin Wang, Kenji Kintaka, 2011, OPTO.

Fast aberration-correcting algorithm for an SLM-based optical switch

Masahiko Mori, Hiroyuki Tsuda, Hitoshi Kawashima, 2010, IEICE Electron. Express.

A 300-mm-wafer silicon photonics technology for advanced information systems

Masaya Notomi, Akihiko Shinya, Masahiko Mori, 2019, 2019 2nd International Symposium on Devices, Circuits and Systems (ISDCS).

Gain-Integrated 8 × 8 Silicon Photonics Multicast Switch With On-Chip 2 × 4-ch. SOAs

Shu Namiki, Kazuhiro Ikeda, Hitoshi Kawashima, 2020, Journal of Lightwave Technology.

Reconfigurable all-optical on-chip MIMO three-mode demultiplexing based on multi-plane light conversion.

Takuo Tanemura, Yoshiaki Nakano, Ken Tanizawa, 2018, Optics letters.

Silicon-photonics polarization-insensitive broadband strictly-non-blocking 8 × 8 blade switch

Ken Tanizawa, Shu Namiki, Hiroyuki Matsuura, 2017, 2017 Optical Fiber Communications Conference and Exhibition (OFC).

Port-Alternated Switch-and-Select Optical Switches

Keijiro Suzuki, Kazuhiro Ikeda, Hitoshi Kawashima, 2021, Journal of Lightwave Technology.

2.5-dB loss, 100-nm Operating Bandwidth, and Low Power Consumption Strictly-Non-Blocking 8 × 8 Si Switch

Ken Tanizawa, Shu Namiki, Hiroyuki Matsuura, 2017, 2017 European Conference on Optical Communication (ECOC).

Ultra-Compact Silicon Photonics Switch with Ultra-Dense Thermo-Optic MZI Matrix and Multi-Layer Wiring

Shu Namiki, Hitoshi Kawashima, Kazuhiro Ikeda, 2018, 2018 European Conference on Optical Communication (ECOC).

5.7-dB Fiber-to-Fiber Loss 8 × 8 Silicon Photonics Switch with Port-Alternated Switch-and-Select Architecture

Keijiro Suzuki, Kazuhiro Ikeda, Hitoshi Kawashima, 2020, 2020 Optical Fiber Communications Conference and Exhibition (OFC).

From the Editor‐in‐Chief

Hiroshi Toshiyoshi, Hiroshi Iwai, Atsushi Sanada, 2006 .

32-Port 5.5%-Δ Silica-Based Connecting Device for Low-Loss Coupling between SMFs and Silicon Waveguides

Keijiro Suzuki, Kazuhiro Ikeda, Hitoshi Kawashima, 2018, 2018 Optical Fiber Communications Conference and Exposition (OFC).

Fully integrated non-duplicate polarization-diversity 8 × 8 Si-wire PILOSS switch

Ken Tanizawa, Shu Namiki, Keijiro Suzuki, 2017, 2017 Optical Fiber Communications Conference and Exhibition (OFC).

Ultra-compact, self-holding asymmetric Mach-Zehnder interferometer switch using Ge2Sb2Te5 phase-change material

Xiaomin Wang, Hiroyuki Tsuda, Daiki Tanaka, 2014, IEICE Electron. Express.

Ultrafast gain and index in semiconductor optical amplifier: theory and experiment

Daan Lenstra, Hitoshi Kawashima, Hiroshi Ishikawa, 2003, SPIE OPTO.

Low-Crosstalk Bandwidth Expansion in $32\times 32$ Silicon Optical Switch with Port-Exchanged Mach-Zehnder Switch

Shu Namiki, Satoshi Suda, Kazuhiro Ikeda, 2019, 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC).

Compact and large-port-count silicon photonics switches (Conference Presentation)

Keijiro Suzuki, Hitoshi Kawashima, Kazuhiro Ikeda, 2020 .

Fast and Accurate Automatic Calibration of a 32 × 32 Silicon Photonic Strictly-Non-Blocking Switch

Ken Tanizawa, Shu Namiki, Keijiro Suzuki, 2017 .

Ultralow-crosstalk and broadband multi-port optical switch using SiN/Si double-layer platform

Ken Tanizawa, Shu Namiki, Keijiro Suzuki, 2017, 2017 Opto-Electronics and Communications Conference (OECC) and Photonics Global Conference (PGC).

Demonstration of a wavelength selective switch using an LCOS and a stacked arrayed waveguide grating

Hitoshi Kawashima, Hiroshi Ishikawa, Kenji Kintaka, 2009, 2009 35th European Conference on Optical Communication.

Nonduplicate Polarization-Diversity 32 × 32 Silicon Photonics Switch Based on a SiN/Si Double-Layer Platform

Koji Yamada, Shu Namiki, Keijiro Suzuki, 2020, Journal of Lightwave Technology.

Current-driven phase-change optical gate switch using indium–tin-oxide heater

Hitoshi Kawashima, Kentaro Kato, Hiroyuki Tsuda, 2017 .

Hybrid-Integration of SOA on Silicon Photonics Platform Based on Flip-Chip Bonding

Ken Tanizawa, Keijiro Suzuki, Kazuhiro Ikeda, 2019, Journal of Lightwave Technology.

Compact 2 × 2 polarization-diversity Si-wire switch.

Ken Tanizawa, Shu Namiki, Keijiro Suzuki, 2014, Optics express.

Ultra-high-extinction-ratio 2 × 2 silicon optical switch with variable splitter.

Ken Tanizawa, Shu Namiki, Keijiro Suzuki, 2015, Optics express.

Broadband silicon photonics 8 × 8 switch based on double-Mach-Zehnder element switches.

Ken Tanizawa, Takashi Inoue, Shu Namiki, 2017, Optics express.

5×5 wavelength cross-connect switch with densely integrated MEMS mirrors

Hitoshi Kawashima, Keisuke Sorimoto, Hisato Uetsuka, 2014 .

Silicon photonic 32 × 32 strictly-non-blocking blade switch and its full path characterization

Ken Tanizawa, Shu Namiki, Keijiro Suzuki, 2016, 2016 21st OptoElectronics and Communications Conference (OECC) held jointly with 2016 International Conference on Photonics in Switching (PS).

Observation of sub-100-fs optical response from spin-coated films of squarylium dye J aggregates

Hitoshi Kawashima, Osamu Wada, Minquan Tian, 2001 .

Off-Chip Polarization-Diversity $4 \,\, \times \,\, 4$ Si-Wire Optical Switch With Digital DGD Compensation

Ken Tanizawa, Takashi Inoue, Shu Namiki, 2016, IEEE Photonics Technology Letters.

Tilted MMI crossings based on silicon wire waveguide.

Guangwei Cong, Hitoshi Kawashima, Hiroshi Ishikawa, 2014, Optics express.

Reversible optical gate switching in Si wire waveguide integrated with Ge 2 Sb 2 Te 5 thin film

Hitoshi Kawashima, Yuichiro Ikuma, Kenji Kintaka, 2010 .

Polarization-diversity 4 × 4 Si-wire optical switch

Ken Tanizawa, Shu Namiki, Keijiro Suzuki, 2015, 2015 International Conference on Photonics in Switching (PS).

SiN/Si double-layer platform for ultralow-crosstalk multiport optical switches.

Ken Tanizawa, Shu Namiki, Keijiro Suzuki, 2019, Optics express.

Ultra-Compact 8 x 8 Strictly Non-Blocking PILOSS Switch Based on Si-Wire

Ken Tanizawa, Shu Namiki, Keijiro Suzuki, 2014 .

Optical control over femtosecond polarization dynamics

Hitoshi Kawashima, Keith A. Nelson, H. Kawashima, 1996 .

Low-crosstalk 2 x 2 thermo-optic switch with silicon wire waveguides.

Hitoshi Kawashima, Hiroshi Ishikawa, Kenji Kintaka, 2010, Optics express.

Novel polarization diversity without switch duplication of a Si-wire PILOSS optical switch.

Ken Tanizawa, Shu Namiki, Keijiro Suzuki, 2016, Optics express.

A Large-Scale Optical Circuit Switch Using Fast Wavelength-Tunable and Bandwidth-Variable Filters

Yojiro Mori, Mungun-Erdene Ganbold, Ken Tanizawa, 2018, IEEE Photonics Technology Letters.

FABRICATION AND FEMTOSECOND OPTICAL RESPONSE OF LANGMUIR-BLODGETT FILMS WITH TWO-DIMENSIONAL J-AGGREGATES

Hitoshi Kawashima, Osamu Wada, Makoto Furuki, 1999 .

Silicon photonics C-band tunable filter for large-scale optical circuit switches

Yojiro Mori, Ken Tanizawa, Shu Namiki, 2017, 2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR).

Polarization-independent C-band tunable filter based on cascaded Si-wire asymmetric Mach-Zehnder interferometer

Yojiro Mori, Ken Tanizawa, Shu Namiki, 2016, 2016 21st OptoElectronics and Communications Conference (OECC) held jointly with 2016 International Conference on Photonics in Switching (PS).

Compact 5 × 5 wavelength-selective cross connect using integrated 2-D MEMS mirror arrays

Hitoshi Kawashima, Hiroshi Ishikawa, Toshifumi Hasama, 2013, Technical Digest of the Eighteenth Microoptics Conference.

4×4 Si-wire optical path switch with off-chip polarization diversity

Ken Tanizawa, Shu Namiki, Kiyo Ishii, 2015, 2015 Opto-Electronics and Communications Conference (OECC).

Ultra-compact silicon photonics switch with high-density thermo-optic heaters.

Shu Namiki, Keijiro Suzuki, Kazuhiro Ikeda, 2019, Optics express.

In-band OSNR monitor based on 3 × 3 Si-wire MMI coupler

Ken Tanizawa, Shu Namiki, Keijiro Suzuki, 2015, 2015 European Conference on Optical Communication (ECOC).

Non-duplicate polarization-diversity 8 × 8 Si-wire PILOSS switch integrated with polarization splitter-rotators.

Ken Tanizawa, Shu Namiki, Keijiro Suzuki, 2017, Optics express.

Ultra-compact 8 × 8 strictly-non-blocking Si-wire PILOSS switch.

Ken Tanizawa, Shu Namiki, Keijiro Suzuki, 2014, Optics express.

Polarization Diversity 2×2 Switch with Silicon-Wire Waveguide

Guangwei Cong, Hitoshi Kawashima, Hiroshi Ishikawa, 2013 .

Low-crosstalk waveguide crossing based on 1×1 MMI structure of silicon-wire waveguide

Guangwei Cong, Hitoshi Kawashima, Hiroshi Ishikawa, 2013, 2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEOPR).

Pattern-effect-free all-optical wavelength conversion using a hydrogenated amorphous silicon waveguide with ultra-fast carrier decay.

Ken Tanizawa, Shu Namiki, Hitoshi Kawashima, 2012, Optics letters.

Small-sized optical gate switch using Ge 2 Sb 2 Te 5 phase-change material integrated with silicon waveguide

Hitoshi Kawashima, Yuichiro Ikuma, Kenji Kintaka, 2010 .

Ultra-small, self-holding, optical gate switch using Ge2Sb2Te5 with a multi-mode Si waveguide.

Hitoshi Kawashima, Yuichiro Ikuma, Kenji Kintaka, 2012, Optics express.