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2020

Coupled Mode Characteristics From the Perturbation of 3D Printed Long-Period Fiber Grating Devices

Khun-In, R., Usuda, Y., Jiraraksopakun, Y., Bhatranand, A. & Yokoi, H., 2020 Jan 1, (Accepted/In press) In : Photonic Sensors. 10, 3, p. 195-203 9 p.

Research output: Contribution to journalArticle

Open Access
2018

Photosensitive adhesive bonding process of magnetooptic waveguides with Si guiding layer for optical nonreciprocal devices

Choowitsakunlert, S., Takagiwa, K., Kobashigawa, T., Hosoya, N., Silapunt, R. & Yokoi, H., 2018 May 1, In : Japanese Journal of Applied Physics. 57, 5, 058007.

Research output: Contribution to journalArticle

Temperature-insensitive design of waveguide isolator employing nonreciprocal guided-radiation mode conversion

Choowitsakunlert, S., Kobashigawa, T., Hosoya, N., Silapunt, R. & Yokoi, H., 2018 Nov, In : Japanese Journal of Applied Physics. 57, 11, 112201.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2017

A 1D study of antiferromagnetic operated on multiferroic composites in nano read head

Choowitsakunlert, S., Silapunt, R. & Yokoi, H., 2017 Mar 2, (Accepted/In press) In : Microsystem Technologies. p. 1-5 5 p.

Research output: Contribution to journalArticle

Amorphous-Si waveguide on a garnet magneto-optical isolator with a TE mode nonreciprocal phase shift

Ishida, E., Miura, K., Shoji, Y., Yokoi, H., Mizumoto, T., Nishiyama, N. & Arai, S., 2017 Jan 9, In : Optics Express. 25, 1, p. 452-462 11 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)
2015

Design of polarization rotators in TE-TM mode conversion optical isolator with Ce: YIG guiding layer

Okada, Y., Tamura, D., Kobayashi, K. & Yokoi, H., 2015 Sep 1, In : Japanese Journal of Applied Physics. 54, 9, 092202.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2011

Design of optical isolator with sputter-deposited Si layer employing nonreciprocal radiation-mode conversion

Yokoi, H., Yamaguchi, K. & Uchiumi, Y., 2011 Jul 1, In : Japanese Journal of Applied Physics. 50, 7 PART 1, 078001.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Design of optical isolator with sputter-deposited Si layer employing nonreciprocal radiaton-mode conversion

Yokoi, H., Yamaguchi, K. & Uchiumi, Y., 2011 Jul 20, In : Japanese Journal of Applied Physics. 50, p. 078001-1-078001-2

Research output: Contribution to journalArticle

Design of optical triplexer with cascaded mulit-mode interference couplers

Ikeya, S., Yokoi, H., Kawasaki, T. & Hoshi, T., 2011 Sep 5, In : 11th International Conf. on Numerical Simulation of Optoelectronic Devices.

Research output: Contribution to journalArticle

Garnet photonics toward developing laser diode integrated with optical isolator with Si guiding layer

Yokoi, H., Igarashi, S., Uchiumi, Y. & Tani, K., 2011 Mar 1, In : Physica Status Solidi (C) Current Topics in Solid State Physics. 8, 3, p. 1071-1074 4 p.

Research output: Contribution to journalArticle

2010

Design of optical isolator with TiO2 / (CeY)3Fe5O12 guiding layer

Yokoi, H., Ikeya, S. & Imada, T., 2010 Nov 30, In : Technial Digest on Materials Research Society’s 2010 Fall Meeting.

Research output: Contribution to journalArticle

Interferometric optical isolator with air/Si/magnetic-garnet waveguide operated in unidirectional magnetic field

Yokoi, H., Igarashi, S. & Uchiumi, Y., 2010 May 1, In : Japanese Journal of Applied Physics. 49, 5 PART 1, p. 580021-580022 2 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2009

Sputter-Deposited Si layer for optical isolator with si guiding layer

Yokoi, H., Sasaki, K. & Aiba, T., 2009 Jun 1, In : Japanese Journal of Applied Physics. 48, 6, 062202.

Research output: Contribution to journalArticle

10 Citations (Scopus)
2008

Calculation of nonreciprocal phase shift in magneto-optic waveguides with Ce:YIG layer

Yokoi, H., 2008 Jan 1, In : Optical Materials. 31, 2, p. 189-192 4 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Calculation of nonreciprocal phase shift in magneto-optic waveguides with Ce:YIG layer

Yokoi, H., 2008 Dec 1, In : Optical Materials. 31, p. 189-192

Research output: Contribution to journalArticle

Magneto-optical isolator with silicon waveguides fabricated by direct bonding

Shoji, Y., Mizumoto, T., Yokoi, H., Hsieh, I. W. & Osgood, R. M., 2008 Mar 3, In : Applied Physics Letters. 92, 7, 071117.

Research output: Contribution to journalArticle

229 Citations (Scopus)

Optical isolator with TiO2/magnetic garnet waveguide employing nonreciprocal phase shift

Yokoi, H., 2008 Jun 1, In : Physica Status Solidi. 5, p. 3373-3375

Research output: Contribution to journalArticle

UV-activated bonding between magnetic garnet and Si for optical isolator with Si guiding layer

Yokoi, H. & Sasaki, K., 2008 Oct 14, In : Electrochem. Soc. Trans.. 16, p. 155-161

Research output: Contribution to journalArticle

2 Citations (Scopus)
2007
2006

Coupling characteristics of three-guide tapered coupler for optical isolator with Si guiding layer

Yokoi, H., Shoji, Y., Suzuki, T., Nishimura, N. & Mizumoto, T., 2006 Aug 4, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 45, 8 A, p. 6323-6325 3 p.

Research output: Contribution to journalArticle

Interferometric optical isolator with Si guiding layer fabricated by wafer bonding

Yokoi, H., 2006 Dec, In : Journal of Luminescence. 121, 2 SPEC. ISS., p. 391-393 3 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
1 Citation (Scopus)

Mach-Zehnder interferometer with Si wire waveguides for ultracompact optical isolator

Shoji, Y., Yokoi, H. & Mizumoto, T., 2005 Oct 31, In : Technical Digest on 11th Microoptics Conference.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2004
8 Citations (Scopus)

Demonstration of interferometric optical isolator operated under unidirectional magnetic field

Yokoi, H., Shoji, Y., Shin, E. & Mizumoto, T., 2004 Jul 13, In : Technical Digest on OECC/COIN 2004. p. 362-363

Research output: Contribution to journalArticle

1 Citation (Scopus)

Fabrication of semiconductor laser for integration with optical isolator

Sakurai, K., Yokoi, H., Mizumoto, T., Miyashita, D. & Nakano, Y., 2004 Apr 1, In : Japanese Journal of Applied Physics. 43, p. 1388-1392

Research output: Contribution to journalArticle

2 Citations (Scopus)

Fabrication of semiconductor laser for integration with optical isolator

Sakurai, K., Yokoi, H., Mizumoto, T., Miyashita, D. & Nakano, Y., 2004 Apr, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 43, 4 A, p. 1388-1392 5 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Interferometric optical isolator employing a nonreciprocal phase shift operated in a unidirectional magnetic field

Yokoi, H., Shoji, Y., Shin, E. & Mizumoto, T., 2004 Aug 20, In : Applied Optics. 43, 24, p. 4745-4752 8 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)
3 Citations (Scopus)
2003

Mode conversion optical isolator fabricated by wafer bonding

Hideki, H., Yokoi, Y., Mizumoto, T. & Iwasaki, H., 2003 Apr 30, In : The Electrochemical Society.

Research output: Contribution to journalArticle

Optical nonreciprocal devices with a silicon guiding layer fabricated by wafer bonding

Yokoi, H., Mizumoto, T. & Shoji, Y., 2003 Nov 20, In : Applied Optics. 42, 33, p. 6605-6612 8 p.

Research output: Contribution to journalArticle

66 Citations (Scopus)

Optical nonreciprocal devices with a silicon guiding layer fabricated by wafer bounding.

Yokoi, H., Mizumoto, T. & Shoji, Y., 2003 Nov 20, In : Applied Optics. 42, p. 6605-6612

Research output: Contribution to journalArticle

Surface Micromachining in Optical Isolator with Semiconductor Guiding Layer for Enhancement of Magnetooptic Effect

Yokoi, H., Mizumoto, T., Sakai, T., Ohtsuka, T. & Nakano, Y., 2003 Aug, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 42, 8, p. 5094-5097 4 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2002

Elimination of a back-reflected TE mode in a TM-mode optical isolator with a Mach-Zehnder interferometer

Yokoi, H., Mizumoto, T., Kuroda, S., Ohtsuka, T. & Nakano, Y., 2002 Nov 20, In : Applied Optics. 41, 33, p. 7045-7051 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Nonreciprocal TE-TM mode converter with semiconductor guiding layer

Yokoi, H., Mizumoto, T. & Iwasaki, H., 2002 Dec 5, In : Electronics Letters. 38, 25, p. 1670-1672 3 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)
2001

Integration of terraced laser diode and garnet crystals by wafer direct bonding

Yokoi, H., Waniishi, T., Mizumoto, T., Shimizu, M., Sakurai, K., Futakuchi, N. & Nakano, Y., 2001 May, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 40, 5 A, p. 3463-3467 5 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Selective oxidation for enhancement of magneto-optic effect in optical isolator with semiconductor guiding layer

Yokoi, H., Mizumoto, T., Masaki, H., Futakuchi, N., Ohtsuka, T. & Nakano, Y., 2001 Feb 15, In : Electronics Letters. 37, 4, p. 240-241 2 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2000

Demonstration of an optical isolator with a semiconductor guiding layer that was obtained by use of a nonreciprocal phase shift

Yokoi, H., Mizumoto, T., Shinjo, N., Futakuchi, N. & Nakano, Y., 2000 Nov 20, In : Applied Optics. 39, 33, p. 6158-6164 7 p.

Research output: Contribution to journalArticle

121 Citations (Scopus)
1999

Analysis of GaInAsP surfaces by contact-angle measurement for wafer direct bonding with garnet crystals

Yokoi, H., Mizumoto, T., Shimizu, M., Waniishi, T., Futakuchi, N., Kaida, N. & Nakano, Y., 1999 Aug 15, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 38, 8 B, p. 4780-4783 4 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Contact angle measurement of wafer surfaces for integrating laser diode and optical isolator by wafer bonding

Yokoi, H., Mizumoto, T., Shimizu, M., Waniishi, T., Futakuchi, N., Kaida, N. & Nakano, Y., 1999 Oct 19, In : The Electrochemical Society.

Research output: Contribution to journalArticle

Demonstration of an optical isolator by use of a nonreciprocal phase shift

Yokoi, H., Mizumoto, T., Takano, T. & Shinjo, N., 1999 Dec 20, In : Applied Optics. 38, 36, p. 7409-7413 5 p.

Research output: Contribution to journalArticle

40 Citations (Scopus)

Direct bonding between quaternary compound semiconductor and garnet crystals for integrated optical isolator

Yokoi, H., Mizumoto, T., Shimizu, M., Futakuchi, N., Kaida, N. & Nakano, Y., 1999 Jan 1, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 38, 1, p. 195-197 3 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Feasibility of integrated optical isolator with semiconductor guiding layer fabricated by wafer direct bonding

Yokoi, H., Mizumoto, T., Shinjo, N., Futakuchi, N., Kaida, N. & Nakano, Y., 1999 Jan 1, In : IEE Proceedings: Optoelectronics. 146, 2, p. 105-110 6 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)