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Fingerprint Dive into the research topics where Katsuyuki Utaka is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

  • 6 Similar Profiles
Optical switches Engineering & Materials Science
Waveguides Engineering & Materials Science
Wavelength Engineering & Materials Science
switches Physics & Astronomy
Distributed feedback lasers Engineering & Materials Science
Polarization Engineering & Materials Science
Crosstalk Engineering & Materials Science
Mach-Zehnder interferometers Engineering & Materials Science

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Research Output 1978 2019

Theoretical and experimental analysis on ar implantation-induced quantum dot intermixing for 1550 NM-band photonic integrated circuit

Matsumoto, A., Akashi, Y., Isawa, S., Umezawa, T., Matsushima, Y. & Utaka, K., 2019 Jan 1, CLEO: Applications and Technology, CLEO_AT 2019. OSA - The Optical Society, (Optics InfoBase Conference Papers; vol. Part F127-CLEO_AT 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ion implantation
Photonics
Semiconductor quantum dots
Integrated circuits
Photoluminescence

Theoretical and experimental analysis on Ar Implantation-Induced Quantum Dot Intermixing for 1550 nm-Band Photonic Integrated Circuit

Matsumoto, A., Akashi, Y., Isawa, S., Umezawa, T., Matsushima, Y. & Utaka, K., 2019 May 1, 2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8749850. (2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optics and Photonics
Quantum Dots
Ion implantation
Photonics
Semiconductor quantum dots

Analysis on Si modified MMI-waveguide-type optical switch operated with carrier injection

Shirai, T., Ishikawa, A., Matsushima, Y., Ishikawa, H. & Utaka, K., 2018 Jan 2, 22nd Microoptics Conference, MOC 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-January. p. 316-317 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical switches
carrier injection
Waveguides
switches
waveguides

Demonstration of All-Optical Logic Gate Device Using MQW-SOA and 10 Gbps XNOR Operation

Akashi, Y., Matsui, S., Isawa, S., Matsushita, A., Matsumoto, A., Matsushima, Y., Ishikawa, H. & Utaka, K., 2018 Jan 1, (Accepted/In press) In : Physica Status Solidi (A) Applications and Materials Science.

Research output: Contribution to journalArticle

Semiconductor optical amplifiers
Logic gates
Four wave mixing
light amplifiers
Semiconductor quantum wells

Lasing characteristics of intermixed highly-stacked quantum dot structure by ion implantation for wavelength-manipulated light sources

Matsui, S., Akashi, Y., Isawa, S., Matsumoto, A., Akahane, K., Matsushima, Y., Ishikawa, H. & Utaka, K., 2018 Jan 2, 22nd Microoptics Conference, MOC 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-January. p. 92-93 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ion implantation
Semiconductor quantum dots
Light sources
lasing
ion implantation