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List of Past Notices
Recent Posts
Professor Tanabe Will Deliver an Invited Talk at ASSL 2026
Microcoms are light sources that generate multiple wavelengths from a compact optical resonator. In this presentation, we will discuss how to leverage their multi-wavelength capabilities and low-noise characteristics […]
We have updated the information regarding lab assignments for the 2027 academic year.
We have updated the information regarding lab assignments for the 2027 academic year. Third-year students, please be sure to check it out! To students | Tana […]
New Member: Tristan D'Hervé has joined the lab as a DD student
Starting this fall semester, Tristan D'H […] will be joining us from IME Atlantique as a double degree (DD) student in the master's program […]
Mr. Tando Completes His Master's Program and Enters the Doctoral Program
Mr. Tando has completed his master's program and will begin his doctoral studies on October 1. Keep up the good work!
Comparison of Orthogonal Modulation Schemes for Terahertz Wireless Transmission Utilizing the Entire Optical Comb (The Institute of Electronics, Information and Communication Engineers)
All-com modulation, which makes effective use of Microcom’s optical output, is a method that leads to highly efficient terahertz wireless transmission. In this study, […]
We held a farewell party for Zhiming
We held a farewell party for Zhiming, a doctoral student who had been conducting research in our lab as a special short-term visiting student, as he was returning to his home country […]
We presented five research findings at the Fall Academic Conference of the Japan Society of Applied Physics.
At the 87th Fall Meeting of the Japan Society of Applied Physics, held at Hokkaido University from September 8 to 11, 2026, Microcom and micro-optical resonators […]
We Held a Summer Training Camp
We held our lab's summer retreat. It's a lab event organized by "Asobi 100%" (optional participation)! This year, we even went bungee jumping!
Microcom Enhances the Efficiency of Terahertz OFDM Communications (Presentation at CLEO-PR)
In terahertz-band OFDM communications, increasing the number of pilot signals used for phase noise compensation reduces the communication resources available for data transmission […]
High-Efficiency Terahertz Transmission in the 300 GHz Band Using Multisolitons (IEEE Phot. J.)
By utilizing multiple solitons within a SiN microring, it is possible to maintain an optical frequency spacing of 300 GHz while generating terahertz waves […]
Improving Reception Quality in Terahertz OFDM Communications Through Equalization That Accounts for Phase Noise (OECC2026)
In terahertz-band OFDM communications, signal distortion caused by phase noise limits transmission performance. In this study, using a known auxiliary signal […]
Mr. Tanabe will give an invited lecture at AES2026
Takasumi Tanabe, "Microcomb-enabled low-phase-noise Ter [...].
World's First Demonstration of BER < 10⁻⁹ in 300 GHz Band Transmission Using a Soliton Optical Comb
Using a soliton optical comb generated by a SiN micro-ring, error-free transmission at 10 Gbit/s was achieved in the 300 GHz band ( […]
Mr. Kanno will present his research on photonic crystals at CSW2026
Ryo Sugano, Hidetaka Nishi, Shun Fujii, Hiroki Sugiyama [...].
4 research presentations by our lab members at CLEO2026
Ryo Sugano, Mantaro Imamura, Atsuro Shirasaki, Soma Kog [...].
6 research presentations at ALPS2026
Yusei Tanto, Tomohiro Tetsumoto, Takasumi Tanabe, and N [...].
Mr. Tanabe will give a tutorial lecture at OPIC
Takasumi Tanabe, "Microresonator frequency comb for THz [...].
Mr. Sugano will present his research at IEEE Silcond Photonics Conference
Ryo Sugano, Mantaro Imamura, Atsuro Shirasaki, Makoto O [...].
New members have joined our team!
Five new B4 members joined our group! Tadato Sakaki, Sora Akazawa, Tetsutaka Shibata, Tatsuhiro Takada, Yasuo Maruyama Undergraduates | T [...]
Three research presentations will be given at the Japan Society of Applied Physics
Daiki Moriguchi, Yoshitake Yamaguchi, Motoi Kumazaki, Yasuhiro Kakinuma, Takazumi Tanabe and Shun Fujii, "Cutting Research Toward Low Threshold Microcomputer [...].
Mr. Yamaguchi will present his results on SIL at the APS Global Physics Summit (APS March Meeting)
Kai Yamaguchi, Hiroki Moriguchi, Hajime Kumazaki, Takas [...].
1 research presentation at IEICE General Conference
Ryo Kanno, Mantaro Imamura, Atsuro Shirasaki, Soma Kogure, Makoto Okano, Shun Fujii, and Takazumi Tanabe, "SiN Soliton Crystal and Si [...].
Received the Best Student Poster Award at the Japan/Taiwan Joint Workshop on Silicon Photonics
Ryo Sugano participated in the Japan/Taiwan Joint Workshop on Silicon […] held in March 2026
Mr. Tando will present his research at SPIE Photonics West
Yusei Tanato, Tomohiro Tetsumoto, Takasumi Tanabe, Nori [...].
Happy New Year 2026!
Happy New Year! The Tanabe Laboratory will continue to push forward with research and development in 2026. This year, we will also be working on international [...]...
Presented research results at APL Photonics
Dr. Yang's research results are published in APL Photonics. The dispersion control is realized in a crystal resonator, and the 1.1um band and 1.3um [...].
Two NEDO project results will be presented at ISPEC2025
Two NEDO projects will be presented at ISPEC2025. Takasumi Tanabe [...].
Two research results will be presented at ACP2025
Two research results presented at ACP2025 Rui Tang, "Programmable silicon pho [...].
High Q-value achieved with AMTIR-1, research results published in Opt. Lett.
Mr. Yang's research paper has been published in Optics Letters, and the extremely high Q-value of AMTIR-1 material has been realized [...].
The first lab information session scheduled for 10/20(Mon.) 16:30 will be cancelled.
The first of the lab information sessions scheduled for 10/20 (Mon.) 16:30 has been cancelled due to Tanabe catching a cold (those who were looking forward to [...]).
Two DD master's students from France joined the group!
Clara Melanie SOUSA Hanaé Sophie Emma RENAULD, two new research [...].
Laboratory Information Session for FY2026 Assignees
Lab Briefing for FY 2026 Assignees Lab Briefing for FY 2026 Assignees will be held on the following dates. The open lab is [...].
Low phase noise THz source performance will be presented at OGC2025
Mr. Yanagi quantitatively evaluated the effect of THz phase noise, and clarified the phase noise required for M-QAM. The [...].
3 presentations at CLEO-Europe in Munich (July 23-27)
Heng Wang, Ryo Otake, Riku Imamura, Liu Yang, Hayato Ma [...].
Invited Lecture at META2025 (July 22-25, Spain)
Takasumi Tanabe, Ryo Otake, Riku Imamura, and Heng Wang [...].
Invited talk at IEEE Summer Topicals (7/21-23 Berlin)
Takasumi Tanabe, Ko Sato, Junnosuke Kokubu, Ayaka Yomod [...].
Invited talk on high-repetition mode-locked lasers at AES2025
Mr. Tanabe was invited to AES2025 in Morocco to discuss the progress of Mr. Imamura's research on high-repetition mode-locked lasers [...].
Research Results Published in IEICE Trans.
Ryo Sugano's work on Si-SiN hybrid integration has been published. Ryo Sugano, Junno [...].
Notice of Change of Laboratory Secretary
We are pleased to announce the retirement of Ms. Azuki Shinki, who has supported our laboratory for a long time, and the appointment of Ms. Mao Kikuchi. Ms. Shinki [...].
Two research projects will be presented at CLEO 2025
Two research results will be presented. Ko Sato, Junnosuke Kokubu, Ayaka Yomoda, [...].
Published research results in Photonics Research
Tanigawa's paper has been published. A filter in the microwave region is realized by manipulation in the optical region. Koya Tanika [...].
3 research presentations from our laboratory at ALPS2025 (4/21-25)
Ryomei Takabayashi, Liu Yang, Hikaru Kodama, Yasuhiro K [...].
Rui TANG, specially-appointed lecturer, arrived on April 1.
Rui TANG, specially-appointed lecturer, arrived on April 1.
One research presentation and Mr. Tanabe will be a panelist at IEICE
Takazumi Tanabe, "Integration of Optical Signal Processing and THz Wireless Transmission with Integrated Microcomputers," 2025 IEICE General Conference, BK- [...].
Four Research Results Presented at Spring Meeting of the Japan Society of Applied Physics
Koh Sato, Junnosuke Kokubun, Ayaka Shikata, Ryo Kanno, Mantaro Imamura, Hitomi Uemura, Shun Fujii, and Takazumi Tanabe, "Optical convolution by 300 GHz radio [...].
Dr. Hirofumi Yanagi, Assistant Professor, took up his new position on March 1.
Hirofumi Yanagi, Assistant Professor, has been appointed. https://phot-tanabe.jp/ja/team/staff/
Optica Fellow Award
Mr. Tanabe has been selected as a 2025 Optics Fellow. We would like to thank everyone for their support.
Two research presentations at the Laser Conference
R. Takabayashi, Y. Yang, Y. Kodama, Y. Kakinuma, T. Tanabe, and S. Fujii, "Dispersion control of MgF2 micro optical resonators using precision machining and soli [...].
Two research results presented at ISPEC 2024
Two papers will be presented at ISPEC2024, an international conference on optical integrated circuits. Yuka Satomi, R [...].
Invited Speaker at WOMA2024
The following research results will be presented in an invited talk at the International Workshop on Micro Optical Resonators. Takasumi Tanabe, R [...].
Mr. Imamura Receives Award at Photonics Workshop
Mr. Riku Imamura won the Best Student Poster Award at the 9th Photonics Workshop. Congratulations!
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 [...].
Kanno will present his research at MOC2024
Ryo Sugano, Ryo Otake, Ryo Nishihata, Shun Fujii, and T [...].
Mr. Tanabe gave a tutorial lecture at the Optical Microcavity Workshop held in Wuhan, China.
Takasumi Tanabe, "Nonlinear Photonics in Dispersion-Con [...].
Presenting 7 papers in CLEO-PR 2024
Ryomei Takabayashi, Hikaru Kodama, Koya Tanikawa, Yasuh [...].
3 papers presented at CLEO 2024
The following three research results will be presented at CLEO 2024 in Charlotte, USA. Ayaka Yomod [...].
ALPS 2024 Best Poster Award
APLS 2024 Best Poster Award Mr. Takabayashi won the Best Poster Award at ALPS [...].
Two research presentations at ALPS2024
Mantaro Imamura, Ayaka Yomoda, Koya Tanikawa, Soma Kogu [...].
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.
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 [...].
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 [...].
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, Titles and Recognition] | The Laser Society of Japan [...]
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 [...].
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 [...].
New Year's Greetings
Happy New Year! The Tanabe Photonic Structures Laboratory will continue to focus on optics, lasers, and photonics technologies [...].
Published research results on chaos synchronization in the international journal (Optics Express)
David Moreno, Shun Fujii, Ayata Nakashima, Deniz Lemcke [...].
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 [...].
First Dynamic Exhibition of Microcom in Japan at KEIO TECHNO-MALL 2023
Microcom (soliton com) is exhibited at KEIO TECHNO-MALL 2023. In Japan [...].
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 [...].
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 [...].
Optics & Photonics Japan Invited Lecture
At Optics & Photonics Japan to be held at Hokkaido University, the third generation of com [...] [...
(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: [...].
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 [...]
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 [...].
PIERS 2023 Koya Tanigawa
Research PIERS 2023 Participation Report 3rd July - 6th July, Prague Co [...].
PIERS 2023 Ryo Kanno
Research PIERS 2023 Participation Report 3rd July - 6th July, Prague Co [...].
CLEO-EU 2023 Koya Tanigawa
Research CLEO-EU Participation Report 26th June - 30th June, Internatio [...].
CLEO-EU 2023 Lemcke Deniz
Research CLEO-EU Participation Report 26th June - 30th June, Internatio [...].
Three research results will be presented at CLEO Europe
Deniz Lemcke, David Moreno, Shun Fujii, Ayata Nakashima [...].
CLEO 2023 Goki Kawanishi
Research CLEO 2023 Participation Report 7th May - 12th May, Convention [...].
CLEO 2023 Riku Imamura
Research CLEOPR 2023 Participation Report 5th May - 10th May, Conventio [...].
CLEO 2023 Junnosuke Kokubun
Research CLEOPR 2023 Participation Report 7th May - 12th May, Conventio [...].
We will present three papers at CLEO:2023
Koya Tanikawa, Shun Fujii, Shuya Tanaka, Shun Tasaka, K [...].
Four studies will be presented at ALPS2023
Atsushi Takano, Ayata, Nakashima, Riku Imamura, Shun Fu [...].
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...
Six new fourth-year students have joined our team!
We look forward to working with you again in 2023!
Graduate Degree Conferral Ceremony
The degree conferment ceremony was held. Congratulations on the completion of your degree!
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.
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 [...]...
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 [...].
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 [...].
Invited Lecture at pLED International symposium 2023
Takasumi Tanabe, "Microresonator frequency combs for ul [...].
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 [...].
- What is Professor Tanabe's education?
- About Research at Tanabe Lab.
- Must see! Laboratory Introduction Video
- Dig Deeper TANABE Lab.
- You get a good idea of what the lab is like!
- Lab Information Session for Students Assigned in the 2027 Academic Year
We are holding lab information sessions for students assigned to our lab in the 2027 academic year. During the Open Lab, feel free to come and go as you please. We also welcome requests for individual information sessions at any time.
.
- Tuesday, October 20, 1:00 p.m. – First Information Session (Location: Building 14, 2nd Floor, DR6)
- Monday, October 26, 4:30 p.m. – Second Information Session (Location: Building 14, 5th Floor, Room DS53)
- Thursday, October 29, 4:30 p.m. – Third Information Session (Location: Building 14, 5th Floor, Room DS53)
- Thursday, November 5, 4:30 p.m. – Third Information Session (Location: Building 14, 2nd Floor, DR2)
- Wednesday, October 28, 3rd Period: Open Lab (Location: Building 14, 5th Floor, Room 515)
- Laboratory tours and open labs (as needed)
Individual Information Sessions and Lab Tours