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  • Kiichi Hamamoto
2016

Accurate dry etching technique for germanium waveguide by using CHF3 based inductively coupled plasma

Idris, A. S., Jiang, H. & Hamamoto, K., Oct 27 2016, In : Electronics Letters. 52, 22, p. 1868-1869 2 p.

Research output: Contribution to journalArticle

Demonstration of photon-photon resonance peak enhancement by waveguide configuration modification on active multimode interferometer laser diode

Kitano, T., Uddin, M. N., Hong, B., Tajima, A., Jiang, H. & Hamamoto, K., Aug 2016, In : Japanese journal of applied physics. 55, 8, 08RD04.

Research output: Contribution to journalArticle

Demonstration of photon-photon resonance peak enhancement by waveguide design modification on active multimode interferometer laser diode

Kitano, T., Uddin, M. N., Hong, B., Tajima, A., Jiang, H. & Hamamoto, K., Feb 23 2016, MOC 2015 - Technical Digest of 20th Microoptics Conference. Institute of Electrical and Electronics Engineers Inc., 7416478. (MOC 2015 - Technical Digest of 20th Microoptics Conference).

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

Design criteria for wavelength independent MMI mode converter

Tanabe, K., Chaen, Y., Sakata, R., Tanaka, R., Jiang, H. & Hamamoto, K., Feb 23 2016, MOC 2015 - Technical Digest of 20th Microoptics Conference. Institute of Electrical and Electronics Engineers Inc., 7416459. (MOC 2015 - Technical Digest of 20th Microoptics Conference).

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

Dry etching for Germanium waveguides by using CHF3 inductively coupled plasma

Idris, A. S., Jiang, H. & Hamamoto, K., Feb 23 2016, MOC 2015 - Technical Digest of 20th Microoptics Conference. Institute of Electrical and Electronics Engineers Inc., 7416432. (MOC 2015 - Technical Digest of 20th Microoptics Conference).

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

1 Citation (Scopus)

Electrically controlled optical-mode switch for fundamental mode and first order mode

Imansyah, R., Tanaka, T., Himbele, L., Jiang, H. & Hamamoto, K., Aug 2016, In : Japanese journal of applied physics. 55, 8, 08RB06.

Research output: Contribution to journalArticle

4 Citations (Scopus)

First demonstration of dynamic mode-switching by using optical mode switch

Imansyah, R., Himbele, L., Oe, S., Jiang, H. & Hamamoto, K., Oct 26 2016, 2016 21st OptoElectronics and Communications Conference, OECC 2016 - Held Jointly with 2016 International Conference on Photonics in Switching, PS 2016. Institute of Electrical and Electronics Engineers Inc., 7718205. (2016 21st OptoElectronics and Communications Conference, OECC 2016 - Held Jointly with 2016 International Conference on Photonics in Switching, PS 2016).

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

First demonstration of electrically controlled mode switching

Imansyah, R., Himbele, L., Jiang, H. & Hamamoto, K., Feb 23 2016, MOC 2015 - Technical Digest of 20th Microoptics Conference. Institute of Electrical and Electronics Engineers Inc., 7416394. (MOC 2015 - Technical Digest of 20th Microoptics Conference).

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

2 Citations (Scopus)

First demonstration of mode selective light source by using active multimode interferometer laser diode

Hong, B., Kitano, T., Tajima, A., Jiang, H. & Hamamoto, K., Oct 26 2016, 2016 21st OptoElectronics and Communications Conference, OECC 2016 - Held Jointly with 2016 International Conference on Photonics in Switching, PS 2016. Institute of Electrical and Electronics Engineers Inc., 7718366. (2016 21st OptoElectronics and Communications Conference, OECC 2016 - Held Jointly with 2016 International Conference on Photonics in Switching, PS 2016).

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

1 Citation (Scopus)

Foreword

Ishigure, T., Itoh, M., Iwamoto, S., Hamamoto, K., Katayama, R., Miyamoto, T., Mizumoto, T. & Yamashita, S., Aug 2016, In : Japanese Journal of Applied Physics. 55, 8, 08R001.

Research output: Contribution to journalEditorial

FOREWORD

Katayama, R., Itoh, M., Hamamoto, K. & Iwamoto, S., Jan 1 2016, In : Japanese Journal of Applied Physics. 55, 8S3, 08R001.

Research output: Contribution to journalEditorial

Lateral mode interference observation in emission spectrum on mode selective active-multimode interferometer laser diode

Hong, B., Kitano, T., Jiang, H. & Hamamoto, K., Dec 2 2016, 2016 International Semiconductor Laser Conference, ISLC 2016. Institute of Electrical and Electronics Engineers Inc., 7765787. (Conference Digest - IEEE International Semiconductor Laser Conference).

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

Mode crosstalk evaluation method by using MMI mode filter for optical mode switch

Imansyah, R., Tanaka, T., Himbele, L., Jiang, H. & Hamamoto, K., Jul 2016, In : IEICE Transactions on Electronics. E99C, 7, p. 825-829 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Preliminarily propagation loss evaluation of core-top etched waveguide for step-core LP21 mode converter

Sakata, R., Tanabe, K., Tanaka, R., Jiang, H. & Hamamoto, K., Feb 23 2016, MOC 2015 - Technical Digest of 20th Microoptics Conference. Institute of Electrical and Electronics Engineers Inc., 7416460. (MOC 2015 - Technical Digest of 20th Microoptics Conference).

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

Preliminary research of MCF coupling to optical mode switch configuration

Cheng, X., Himbele, L., Imansya, R., Jiang, H. & Hamamoto, K., Oct 26 2016, 2016 21st OptoElectronics and Communications Conference, OECC 2016 - Held Jointly with 2016 International Conference on Photonics in Switching, PS 2016. Institute of Electrical and Electronics Engineers Inc., 7718523. (2016 21st OptoElectronics and Communications Conference, OECC 2016 - Held Jointly with 2016 International Conference on Photonics in Switching, PS 2016).

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

Proposal of 128ch coupled multi-core fiber configuration using coil-shape (MCF)

Shota, O., Jiang, H. & Hamamoto, K., Feb 23 2016, MOC 2015 - Technical Digest of 20th Microoptics Conference. Institute of Electrical and Electronics Engineers Inc., 7416520. (MOC 2015 - Technical Digest of 20th Microoptics Conference).

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

Proposal of novel optical mode demultiplexer based on angled-multimode interference (a-MMI) waveguide

Jiang, H., Oiwane, T. & Hamamoto, K., Feb 23 2016, MOC 2015 - Technical Digest of 20th Microoptics Conference. Institute of Electrical and Electronics Engineers Inc., 7416457. (MOC 2015 - Technical Digest of 20th Microoptics Conference).

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

Significant loss reduction of 3.0 dB/cm on core-top etched waveguide for vertical multi-mode interference

Sakata, R., Tanabe, K., Jiang, H. & Hamamoto, K., Oct 26 2016, 2016 21st OptoElectronics and Communications Conference, OECC 2016 - Held Jointly with 2016 International Conference on Photonics in Switching, PS 2016. Institute of Electrical and Electronics Engineers Inc., 7718396. (2016 21st OptoElectronics and Communications Conference, OECC 2016 - Held Jointly with 2016 International Conference on Photonics in Switching, PS 2016).

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

1 Citation (Scopus)

Theoretical modelling of photon-photon resonance on active multimode interferometer laser diode toward 40Gbps

Hong, B., Uddin, M. N., Kitano, T., Tajima, A., Jiang, H. & Hamamoto, K., Feb 23 2016, MOC 2015 - Technical Digest of 20th Microoptics Conference. Institute of Electrical and Electronics Engineers Inc., 7416474. (MOC 2015 - Technical Digest of 20th Microoptics Conference).

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

2017

A multi-layer stacked all sol-gel fabrication technique for vertical coupled waveguide

Idris, A. S., Ghosh, S., Jiang, H. & Hamamoto, K., Sep 2017, In : Evergreen. 4, 2-3, p. 12-17 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Bandwidth Enhancement Scheme Demonstration (from 5 GHz to 34 GHz) on Direct Modulation Laser Diode Using Multiple PPR (Photon-Photon Resonance) Active MMI

Hong, B., Kitano, T., Mori, T., Jiang, H. & Hamamoto, K., Sep 21 2017, 43rd European Conference on Optical Communication, ECOC 2017. Institute of Electrical and Electronics Engineers Inc., p. 1-3 3 p. (European Conference on Optical Communication, ECOC; vol. 2017-September).

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

4 Citations (Scopus)

Bandwidth enhancement scheme demonstration on direct modulation active-MMI laser diode using multiple photon photon resonance

Hong, B., Kitano, T., Mori, T., Jiang, H. & Hamamoto, K., Nov 27 2017, In : Applied Physics Letters. 111, 22, 221105.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Fast mode-switching (60 ns) by using a 2 × 2 silicon optical mode switch

Jiang, H., Imansyah, R., Himbele, L., Oe, S. & Hamamoto, K., 2017, In : IEICE Transactions on Electronics. E100.C, 10, p. 782-788 7 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

First demonstration of mode selective active multimode interferometer laser diode

Hong, B., Kitano, T., Jiang, H., Tajima, A. & Hamamoto, K., Jan 1 2017, In : IEICE Transactions on Electronics. E100.C, 10, p. 775-781 7 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Joint Special Section on Opto-electronics and Communications for Future Optical Network

Hamamoto, K., Jan 1 2017, In : IEICE Transactions on Electronics. E100.C, 10, 1 p.

Research output: Contribution to journalEditorial

Open Access

Multiple photon photon resonance by using active-multimode interferometer laser diode

Hong, B., Kitano, T., Mori, T., Jiang, H. & Hamamoto, K., Nov 19 2017, 22nd Microoptics Conference, MOC 2017. Institute of Electrical and Electronics Engineers Inc., p. 64-65 2 p. (22nd Microoptics Conference, MOC 2017; vol. 2017-November).

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

1 Citation (Scopus)

Optical mode switch and mode selective light source toward flexible mode-division multiplexing network

Hamamoto, K. & Jiang, H., 2017, Advanced Photonics, PS 2017. OSA - The Optical Society, (Optics InfoBase Conference Papers; vol. Part F57-PS 2017).

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

2019

Amplifier-assisted CRDS (cavity ring-down spectroscopy) toward compact breath sensing

Li, W., Han, Y., Chen, Z., Jiang, H. & Hamamoto, K., 2019, In : Japanese journal of applied physics. 58, SJ, SJJD01.

Research output: Contribution to journalArticle

1 Citation (Scopus)

A space mode selective light source with over 40 GHz direct modulation bandwidth

Hong, B., Mori, T., Murakami, S., Jiang, H. & Hamamoto, K., 2019, In : Japanese journal of applied physics. 58, SJ, SJJA05.

Research output: Contribution to journalArticle

Fundamental Study of Saturation Output Power on Quantum Dot Semiconductor Optical Amplifier (SOA) under High Temperature (85 °c)

Kuwahata, R., Jiang, H. & Hamamoto, K., Nov 2019, MOC 2019 - 24th Microoptics Conference. Institute of Electrical and Electronics Engineers Inc., p. 180-181 2 p. 8982763. (MOC 2019 - 24th Microoptics Conference).

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

Greetings from the General Co-Chairs of OECC/PSC 2019

Suzuki, M., Hamamoto, K., Harai, H., Liboiron-Ladouceur, O. & Contestabile, G., Jul 2019, In : OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019. 8818084.

Research output: Contribution to journalEditorial

Microoptics

Kato, K., Iwamoto, S., Lin, C. F., Shu, S. H., Goto, N., Hamamoto, K., Ito, M., Katayama, R., Kou, R., Lee, S. L., Miyamoto, T. & Yamamoto, K., 2019, In : Japanese journal of applied physics. 58, SJ, SJ0001.

Research output: Contribution to journalEditorial

Mode Crosstalk Improvement of Active-MMI Mode Selective Laser Diode using Slit Structure

Murakami, S., Mori, T., Hong, B., Jiang, H. & Hamamoto, K., Jul 2019, OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019. Institute of Electrical and Electronics Engineers Inc., 8817901. (OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019).

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

Open Access
2 Citations (Scopus)

Observation of 60 GHz and 20 GHz Multiple Photon-Photon Resonances Using Active Multimode Interferometer Laser Diodes

Murakami, S., Hong, B., Jiang, H. & Hamamoto, K., Nov 2019, MOC 2019 - 24th Microoptics Conference. Institute of Electrical and Electronics Engineers Inc., p. 304-305 2 p. 8982900. (MOC 2019 - 24th Microoptics Conference).

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

Propagation Mode Retention Using Strongly Coupled Multi-Core Fiber

Nasef, M., Fujimoto, K., Jiang, H. & Hamamoto, K., Jul 2019, OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019. Institute of Electrical and Electronics Engineers Inc., 8817726. (OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019).

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

Proposal of 1xN Optical Mode Switch Based on Spatial Single Dimensional Mode

Ogawa, S., Jiang, H. & Hamamoto, K., Jul 2019, OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019. Institute of Electrical and Electronics Engineers Inc., 8817796. (OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019).

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

Proposal of two tangent air hole structure for higher sensitivity gas sensor

Chen, Z. H., Li, W., Han, Y., Jiang, H. & Hamamoto, K., 2019, In : Japanese journal of applied physics. 58, SJ, SJJD03.

Research output: Contribution to journalArticle

Open Access

Significant Propagation Loss Reduction on Silicon High-Mesa Waveguides Using Thermal Oxidation Technique

Han, Y., Li, W., Jiang, H. & Hamamoto, K., Jul 2019, OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019. Institute of Electrical and Electronics Engineers Inc., 8817854. (OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019).

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

Spatial Single Dimensional Mode De-multiplexer Based on Rowland Circle Waveguide

Jiang, H., Nasef, M., Fujimoto, K. & Hamamoto, K., Jul 2019, OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019. Institute of Electrical and Electronics Engineers Inc., 8817633. (OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019).

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

Surface improvement investigation of sol-gel SiO2 cladding for waveguide device passivation

Ogawa, S., Idris, A. S., Han, Y., Jiang, H. & Hamamoto, K., 2019, In : Japanese journal of applied physics. 58, SJ, SJJB04.

Research output: Contribution to journalArticle

Open Access
2020

Fabrication and analysis of low-loss silicon high-mesa waveguides

Han, Y., Li, W., Chen, Z., Jiang, H. & Hamamoto, K., Jun 1 2020, In : Applied Optics. 59, 16, p. 4964-4969 6 p.

Research output: Contribution to journalArticle