List of Past Notices

Two research results presented at ISPEC 2024New!!!

Two papers will be presented at ISPEC2024, an international conference on optical integrated circuits. Yuka Satomi, R [...].

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Invited Speaker at WOMA2024New!!!

The following research results will be presented in an invited talk at the International Workshop on Micro Optical Resonators. Takasumi Tanabe, R [...].

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Laboratory Information Session for FY2025 <Additional Meeting! > Thursday, November 7, 14:45

Lab Briefing for FY2025 Students Lab Briefing for FY2025 students will be held on the following dates. Open lab will be held at any time [...].

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Lab Introduction Pamphlet is now available!

Access the lab brochure !

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Kanno will present his research at MOC2024

Ryo Sugano, Ryo Otake, Ryo Nishihata, Shun Fujii, and T [...].

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Mr. Tanabe gave a tutorial lecture at the Optical Microcavity Workshop held in Wuhan, China.

Takasumi Tanabe, "Nonlinear Photonics in Dispersion-Con [...].

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Presenting 7 papers in CLEO-PR 2024

Ryomei Takabayashi, Hikaru Kodama, Koya Tanikawa, Yasuh [...].

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3 papers presented at CLEO 2024

The following three research results will be presented at CLEO 2024 in Charlotte, USA. Ayaka Yomod [...].

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ALPS 2024 Best Poster Award

APLS 2024 Best Poster Award Mr. Takabayashi won the Best Poster Award at ALPS [...].

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Two research presentations at ALPS2024

Mantaro Imamura, Ayaka Yomoda, Koya Tanikawa, Soma Kogu [...].

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Two research results were presented at the Spring Meeting of the Japan Society of Applied Physics

Yuta Motoya, Shun Fujii, Shota Kimura, Yosuke Hashimoto, Tomoya Yamakawa, Riku Imamura, and Takazumi Tanabe, "Soliton Co [...] using small prism coupling module.

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Two poster presentations at the 23rd Laser Society of Japan Tokyo Section Meeting

Jun Matsuyama, Atsushi Takano, Riku Imamura, Shun Fujii, and Takazumi Tanabe, "Study on Graphene Transfer to Silicatroid Cavity," 23rd Laser [...].

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The Institute of Electronics, Information and Communication Engineers (IEICE) Electronics Society Activity Meritorious Service Award

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Presentation of research results at the 2024 IEICE General Conference

Goki Kawanishi, Mantaro Imamura, Ayaka Yomota, Koya Tanigawa, Soma Kogure, Ryo Kanno, Shun Fujii, and Takazumi Tanabe, "300 GHz Microcom [...].

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Riku Imamura, Laser Society of Japan, Award for Encouragement of Paper Presentation at the 44th Annual Meeting of Laser Society of Japan

Best Paper Presentation Award and Encouragement Award for Best Paper Presentation | [Awards and Titles] | The Laser Society of Japan [...]

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Joint winter camp with Takeoka Lab.

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Lecture on Safety and Security Photonics Optical Technology Roadmap at the 2023 Optical Industry Technology Symposium

Tanabe chaired the Safety and Security Photonics Optical Technology Roadmap Committee members, who gave a presentation on the roadmap development [...].

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Presented 6 research results at the 44th Annual Conference of the Laser Society of Japan

T. Tanabe, "Fundamentals and Prospects of Microcomb Light Source Technology," 44th Annual Conference of the Laser Society of Japan, S05-17p-IX-0 [...].

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New Year's Greetings

Happy New Year! The Tanabe Photonic Structures Laboratory will continue to focus on optics, lasers, and photonics technologies [...].

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Published research results on chaos synchronization in the international journal (Optics Express)

David Moreno, Shun Fujii, Ayata Nakashima, Deniz Lemcke [...].

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Keio Photonics-Related Labs Networking Party was held.

We have been holding a social gathering of Keio opto-related laboratories beyond the boundaries of the department. Many laboratories participated, with 80 people [...].

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First Dynamic Exhibition of Microcom in Japan at KEIO TECHNO-MALL 2023

Microcom (soliton com) is exhibited at KEIO TECHNO-MALL 2023. In Japan [...].

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Presented two research results at Photonics Device Workshop 2023

The following two papers were presented at PDW2023 held at Japan Society for the Promotion of Machine Industry. Takazumi Tanabe, "Applications and Prospects of Integrated Optical Frequency Comb [...].

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Poster Award of the 22nd Japan Society of Applied Physics

Mr. Ryoaki Takabayashi, a fourth-year undergraduate student, received the Poster Award from the Japan Society of Applied Physics for his research under the guidance of Dr. Shun Fujii of the Department of Physics [...].

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Optics & Photonics Japan Invited Lecture

At Optics & Photonics Japan to be held at Hokkaido University, the third generation of com [...] [...

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(Temporary) Laboratory Information Session (November 10, 4th and 5th period, available at any time)

We have decided to hold a special lab information session. Date: Friday, November 10, 14:45-16: [...].

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For current 3rd year students who will be assigned in March 2024] Lab Information Session!

Lab Briefing (1st) Date: October 23rd (Mon) 16:30-18:00 Place: 14th Bldg. 4F DS43 Lab Briefing [...]

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Mr. Heng WANG (1st year doctoral student) enrolled in the program.

Mr. Heng WANG, an international student from China, has joined Tanabe Lab as a first-year doctoral student. He is expected to play an active [...].

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PIERS 2023 Koya Tanigawa

Research PIERS 2023 Participation Report 3rd July - 6th July, Prague Co [...].

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PIERS 2023 Ryo Kanno

Research PIERS 2023 Participation Report 3rd July - 6th July, Prague Co [...].

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CLEO-EU 2023 Koya Tanigawa

Research CLEO-EU Participation Report 26th June - 30th June, Internatio [...].

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CLEO-EU 2023 Lemcke Deniz

Research CLEO-EU Participation Report 26th June - 30th June, Internatio [...].

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Three research results will be presented at CLEO Europe

Deniz Lemcke, David Moreno, Shun Fujii, Ayata Nakashima [...].

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CLEO 2023 Goki Kawanishi

Research CLEO 2023 Participation Report 7th May - 12th May, Convention [...].

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CLEO 2023 Riku Imamura

Research CLEOPR 2023 Participation Report 5th May - 10th May, Conventio [...].

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CLEO 2023 Junnosuke Kokubun

Research CLEOPR 2023 Participation Report 7th May - 12th May, Conventio [...].

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We will present three papers at CLEO:2023

Koya Tanikawa, Shun Fujii, Shuya Tanaka, Shun Tasaka, K [...].

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Four studies will be presented at ALPS2023

Atsushi Takano, Ayata, Nakashima, Riku Imamura, Shun Fu [...].

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Joint cherry blossom viewing by four laboratories

Hayase group, Watanabe group, Takeoka group and Tanabe group held a cherry-blossom viewing party. I forgot to take a picture...

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Spring Colloquium

Participated in the Spring Colloquium

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Six new fourth-year students have joined our team!

We look forward to working with you again in 2023!

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Graduate Degree Conferral Ceremony

The degree conferment ceremony was held. Congratulations on the completion of your degree!

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Ayaka Yomota received the IEEJ Tokyo Section 2022 Award for Encouragement of Women's Activities in Electrical Science

Ayaka Yomota received the 2022 Electric Science Women's Activity Encouragement Award.

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Six Undergraduates Graduated

Six undergraduate students graduated. Congratulations!

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farewell party

We held a farewell party for graduates, which had not been held for a long time, including a farewell party for the past two years. As the corona is converging [...]...

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Five studies will be presented at the Japan Society of Applied Physics

Shun Fujii, Koshiro Wada, Ryo Kanno, Motoi Kumazaki, Soma Kogure, Yuichiro Kato, and Takazumi Tanabe, "Wide range precision tuning of soliton microcomputer [...].

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Mr. Tanigawa will present his research results on multi-wavelength field transmission at IEICE General Conference

Koya Tanigawa, Shun Fujii, Soma Kogure, Shun Tasaka, Tsunaya Tanaka, Koshiro Wada, Motoi Kumazaki, Goki Kawanishi, and Takazumi Tanabe, "Optical Circuit with Micro Optical Resonators [...].

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Invited Lecture at pLED International symposium 2023

Takasumi Tanabe, "Microresonator frequency combs for ul [...].

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At the 22nd Laser Science Society of Japan Tokyo Section Meeting, Mr. Yomota will present a student poster on thermoelectric generation.

Ayaka Yomota, Ryo Kanno, Wakana Kubo, and Takazumi Tanabe, "Study on Thermoelectric Power Generation by Radiation Cooling Effect of Nanostructures," 22nd Laser Science [...].

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We went on a joint ski trip with Takeoka Lab.

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Graduation Research Presentation Held

The graduation research presentation meeting was held. Mr. Tanabe attended the meeting remotely from the U.S., but the fourth-year undergraduate students presented the results of their research at the venue [...].

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Fujii's research results were published as an article in Penmark.

Fujii's research results were published as an article in Penmark https://mailchi.mp/globa [...].

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David will present his results on the investigation of chaotic covert communication at SPIE Photonics West

David Moreno, Shun Fujii, Ayata Nakashima, Atsushi Uchi [...].

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Versatile tuning of microcomb is out in Communication Physics

Our paper on the versatile tuning of microcomb is now o [...].

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Press Release: Demonstration of Precise Control of an Ultra-compact "Optical Frequency Scale

Demonstration of Precise Control of an Ultra-Compact "Optical Frequency Scale" - Toward Applications in Precision Spectroscopy and Low-Noise Microwave Generators - [...].

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Happy New Year

Happy New Year! Tanabe Laboratory will continue its research and educational activities in 2023. Today, we are going to visit the New Year [...].

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Laboratory Year-End Party was held

We held a year-end party for our lab and gave out awards for our lab! We also gave out awards to our lab! OBOG also joined us for a fun party [...].

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SCOPE research results will be presented at the Strategic Information and Communications R&D Seminar hosted by the Ministry of Internal Affairs and Communications.

T. Tanabe, "Research and Development on Application of Microcomb Light Source to High-Speed Optical Transmission System," Strategic Information and Communications Research and Development Seminar, Narita [...].

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Mr. Tanabe will give a special lecture at ICT Innovation Forum 2022

Takazumi Tanabe, "Microcoms for ultra-low latency parallel optical communication," ICT Innovation Forum 2022, Special Lecture (2), O [...].

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Photonic Device Workshop 2022 Presentations (2)

Two posters will be presented at Photonic Device Workshop. Soma Kogure, Shun Fujii, Motoi Kumazaki, [...].

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We will run a booth at KEIO Techno-Mall2022 (Dec. 2).

We will have a booth at Keio Technomall. https://www.kll.keio.ac.jp/ktm/tag/i [...].

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6 research results including 1 invited talk will be presented at ISPEC2022

The following 6 papers including invited talks will be presented at ISPEC2022 A. Nakashima, S. Fuji [...].

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Information for April 2023 lab assignees has been uploaded.

To students | Tanabe Photonic Structure Group Let' [...].

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Home page has been updated.

Our website has been updated! The URL has also been changed, so please change your bookmarks. &nbsp [...].

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The 83rd Japan Society of Applied Physics Autumn Meeting

The following results will be presented at the 83rd Fall Meeting of the Japan Society of Applied Physics in 2022. Riku Imamura, Shun Fujii, Ayata Nakajima, Takazumi Tanabe [...].

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David has returned to Spain!

David, who studied abroad in Tanabe Lab, has returned to Spain. Although he stayed in our lab for only six months, he produced excellent research results [...].

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CLEOPR 2022 Koki Tanikawa

Research CLEOPR 2022 Participation Report 31st July - 5th August 2022, [...].

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CLEOPR 2022 Riku Imamura

Research CLEOPR 2022 Participation Report 31st July - 5th August 2022, [...].

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CLEOPR 2022 Ryo Sugano

Research CLEO-PR 2022 Participation Report 31st July -5th August 2022, [...].

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APC 2022

Research APC 2022 Participation Report 25th-28th July 2022, The Maastri [...].

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4 research results presented at CLEO-PR

The following four papers will be presented at CLEO-PR. S. Kogure, S. Fujii, H. Kumaz [...].

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Presented research results at Nonlinear Photonics (NP2022)

S. Sugawara, S. Fujii, H. Kumazaki, S. Sota, and T. Tan [...].

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CLEO 2022 Ryo Kanno

Research CLEO 2022 Participation Report 15th-20th May 2022, Convention [...].

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CLEO 2022 Soseito Sugawara

Research CLEO 2022 Participation Report 15th-20th May 2022, : San Jose [...].

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CLEO 2022 Ayata Nakajima

Research CLEO 2022 Participation Report 15th-20th May 2022, Convention [...].

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Six research projects will be presented at CLEO:2022

T. Kodama, R. Sugano, J. Hofs, M. Ohtsuka, M. Seki, N. [...].

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6 research presentations will be given at the Spring 2022 Applied Physics Conference

Soseito Sugawara, Shun Fujii, Shota Soda, and Takazumi Tanabe, "Evaluation of the Stability of Raman Combs in Silica WGM Microcavities," 69th [...].

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Two presentations, including an invited talk, at the annual meeting of the Laser Society

https://confit.atlas.jp/guide/event/lsj42/subject/E09-1 [...]

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Published a paper in OPTICS EXPRESS with results related to 100-channel WDM optical transmission without FEC.

Dissipative Kerr soliton microcombs for FEC-free optica [...].

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Joint research results with Kakinuma Laboratory, Department of System Design Engineering published in PRECISION ENGINEERING

Joint research results with Kakinuma Laboratory have been published in a paper. Y. Hayama, S. Fujii, T. Tanabe [...].

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The schedule of lab information sessions has been updated!

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Joint research results with Yamashita and Sett Labs, The University of Tokyo were published in JOSAB

The following paper has been published. T. S. L. P. Suzuki, A. Nakashima, K. Nag [...].

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Mr. Tanaka has completed the fall semester. Congratulations!

Mr. Tanaka has completed the fall semester. Congratulations! From October 1, he will be active in the society. We wish him the best of luck in his future endeavors.

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M2 Mr. Soda will present the results of his joint research with NICT at the Fall Meeting of the Japan Society of Applied Physics

The following research will be presented at the autumn meeting of the Japan Society of Applied Physics. Shota Soda, Kentaro Furusawa, Norihiko Sekine, and Takazumi Tanabe, "Soliton Mai [...].

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Mr. Otsuka (M2 at the time of the award) received the IEICE Electronics Society Student Incentive Award

Mr. Tamitaka Otsuka, who completed his master's degree in March, presented the results of his research at the IEICE Electronics Society Electronics Society Conference in March [...].

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Research Presentation] Mr. Nakajima will present his research on the results of saturable absorption solitons at CLEO.

A. Nakashima, S. Fujii, R. Imamura, K. Nagashima, and T [...].

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Fabrication of high Q-value single-crystal micro optical resonators by ultra-precision machining

Research Fabrication of High-Q Single-Crystal Micro Optical Resonators by Ultra-Precision Machining Opens New Possibilities for Resonator Dispersion Control Optical Resonators [...]

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Broadband parametric light generation using a high-Q single-crystal micro optical resonator

Research Broadband Parametric Light Generation by High-Q Single-Crystal Micro Optical Resonators Toward Broadband Wavelength Conversion Devices Near [...]

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CLEO 2020 Participation Report

Research 11-15 May 2020, Online 1st year master student Koki Yoube 1. about CLEO2020 [...].

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CLEO 2020 Koshiro Wada

Research CLEO 2020 Participation Report 11-15 May 2020, Online 1st year master student Wada [...].

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CLEO 2020 Takumasa Kodama

Research CLEO 2020 Participation Report 11-15 May 2020, Online 1st year master student, Kodama [...].

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CLEO 2020 Tamitaka Otsuka

Research CLEO 2020 Participation Report 11-15 May 2020, Online 2nd year Master's student Otsuka [...].

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CLEO 2020 Kouki Yoube

Research CLEO 2020 Participation Report 11-15 May 2020, Online 1st year Master's student Yoube [...].

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PIERS2019 Tomoki S. L. Prugger Suzuk

Research PIERS2019 report Tomoki S. L. Prugger Suzuki ( [...])

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ALPS2019 Tsunaya Tanaka

Research ALPS2019 Participation Report Osaya Tanaka, 1st year master's student, Tanabe Laboratory

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CLEO-EU2019 Riku Imamura

Research CLEO/EUROPE-EQEC 2019 Participation Report 23-27 June 2019, Mu [...].

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Photolithographically fabricated silicon photonic crystal nanocavity photoreceiver with laterally integrated p-i-n diode

Research Photolithographically fabricated silicon photo [...].

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Simulation of dark pulse generation by coupled resonators

Research Simulation of Dark Pulse Generation with Coupled Resonators A new computational model that can faithfully reproduce experimental results [...].

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Brillouin laser using a coupled-cavity system

Research Brillouin Lasers with Coupled Cavity Systems Toward Miniaturization in Microwave Photonics The frequency of light is commonly [...].

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Raman Com emission in a micro optical resonator via induced Raman scattering

Research Raman comb generation in micro optical resonator via induced Raman scattering Toward realization of pulsed light source using Raman comb [...].

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We are holding a lab information session for students who will be assigned in 2024. Open Labs are free to come and go as they please. Individual information sessions are also available at any time.

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Individual Information Sessions and Lab Tours

Let's see the lab in action!
Individual information sessions and lab tours are held in person. Please visit the Yagami Campus and see the experimental equipments in our laboratory. You can send us an e-mail or fill out the form below.