Expert Details
Semiconductor Distributed Feedback (DFB) Laser Technologies, especially Design
ID: 726284
California, USA
He has expertise of photonic integration such as electro-absorption modulator integrated laser, DFB laser arrays, semiconductor optical amlifier integration, and multi-section tunable lasers. He is one of the demostraters of cascaded DFB lasers for tunable laser applications.
He provided the design and simulation of the active layers for 1.3 um, 1.49 um, and 1.55 um wavelength semiconductor distributed feedback (DFB) lasers. He gave a novel approach idea to improve the yield of single-mode operation, which was demonstrated experimentally. He also provided a theoretical DFB laser model and explained the physics.
Education
| Year | Degree | Subject | Institution |
|---|---|---|---|
| Year: 1980 | Degree: PhD | Subject: Electronics Engineering | Institution: Kyoto University, Japan |
| Year: 1973 | Degree: MS | Subject: Electronics Engineering | Institution: Kyoto University, Japan |
| Year: 1970 | Degree: BS | Subject: Electrical Engineering | Institution: Kyoto University, Japan |
Work History
| Years | Employer | Title | Department |
|---|---|---|---|
| Years: 2007 to 2009 | Employer: Applied Optoelectronics Inc. | Title: Chief Scientist | Department: |
Responsibilities:He was responsible for the design and development of new semiconductor laser products with modeling and simulation. He was also in charge of making a future technology direction. |
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| Years | Employer | Title | Department |
| Years: 1998 to 2002 | Employer: Fujitsu Compound Semiconductor Inc. | Title: Senior Director | Department: |
Responsibilities:He was reponsible for all the lightwave R&D projects for 10 Gb/s and 40 Gb/s transmitter and receiver modules, as well as technical support for the customers. |
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| Years | Employer | Title | Department |
| Years: 1988 to 1998 | Employer: Nortel Networks | Title: Manager | Department: |
Responsibilities:He was responsible for the design of semiconductor laser products (chip), as well as university collaboation projects (as representative). |
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| Years | Employer | Title | Department |
| Years: 1973 to 1985 | Employer: Panasonic | Title: Superviser | Department: |
Responsibilities:He was responsible for the design and development of 12 GHz microwave solid-state oscillators for satelite TV broad casting systems. He was also in charge of coordinating the Japanese Government Project for optical measurement system. |
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International Experience
| Years | Country / Region | Summary |
|---|---|---|
| Years: 1973 to 1985 | Country / Region: Japan | Summary: He joined Panasonic, and worked at its research laboratory on the SHF to UHF down converter for satelite TV broad casting systems. He developed novel microwave solid-state oscillators and new compact dielectric resonators, which were used in the first field applications in Japan. |
Career Accomplishments
| Associations / Societies |
|---|
| Fellow of IEEE Laser Electro Optics Society (LEOS) |
| Awards / Recognition |
|---|
| He is an IEEE Fellow for the contribution to the theory and commercialization of gain-coupled distributed feedback lasers. |
| Publications and Patents Summary |
|---|
| He is an author of two book chapters, and he has more than 170 publications, more than 10 US patents and more than 40 patents applied in Japan. |
Additional Experience
| Training / Seminars |
|---|
| He has produced several seminars on semiconductor distributed feedback lasers, and technical presentation materials (model, design, measurement methods in semiconducto laser areas). |
| Vendor Selection |
|---|
| Strong connections to Japanese optoelectronics industries, such as Mitsubishi, Sumitomo, NEC, Hitachi, Furukawa etc. |
| Marketing Experience |
|---|
| Optoelectronics component for optical fiber communications. Optical communication systems (access to long-haul). |
| Other Relevant Experience |
|---|
| Laser performance simulation by MatLab and Fortran programming. Translation between English and Japanese (language). Patent writing and application. |
Language Skills
| Language | Proficiency |
|---|---|
| Japanese | Japanese is his native language. English is his second-language. Since 1985, he has been in North America, and working using English. |