H. Okayama

发表

First demonstration of high density optical interconnects integrated with lasers, optical modulators and photodetectors on a single silicon substrate

Y. Arakawa, M. Okano, Tsuyoshi Yamamoto, 2011, 2011 37th European Conference and Exhibition on Optical Communication.

Design of Polarization-Independent Si-Wire-Waveguide Wavelength Demultiplexer for Optical Network Unit

Y. Ogawa, H. Yaegashi, D. Shimura, 2010 .

Wavelength conversions between the two silica fibre loss windows at 1.31 and 1.55 mu m using difference frequency generation

H. Okayama, Chang-Qing Xu, M. Kawahara, 1994 .

Lithium Niobate Electro-Optic Switching

H. Okayama, 2006 .

Chapter 7 – Lithium Niobate and Electrooptic Guided-wave Optical Switch

H. Okayama, 2003 .

1.5 μm band efficient broadband wavelength conversion by difference frequency generation in a periodically domain‐inverted LiNbO3 channel waveguide

Hideaki Okayama, Chang-Qing Xu, Masato Kawahara, 1993 .

Optical refractive index biosensor using evanescently coupled lateral Bragg gratings on silicon-on-insulator

H. Nakajima, H. Okayama, M. Mendez-Astudillo, 2016 .

One-port ring refractive index sensor with attached sub-ring

H. Nakajima, H. Okayama, M. Mendez-Astudillo, 2017, 2015 20th Microoptics Conference (MOC).

One-port ring refractive index sensor with attached sub-ring

H. Nakajima, H. Okayama, M. Mendez-Astudillo, 2015, Optical Review.

Optical ring resonator using side wall grating waveguide array

H. Yaegashi, H. Okayama, 2011, 17th Microopics Conference (MOC).

Reflective Waveguide Array Demultiplexer in LiNrb03

H. Okayama, M. Kawahara, T. Kamijoh, 1996 .

Reflective waveguide array demultiplexer in LiNbO/sub 3/

T. Kamijoh, Hideaki Okayama, H. Okayama, 1996 .

Polarization rotator Bragg grating assisted wavelength selective polarization alignment

H. Yaegashi, D. Shimura, H. Okayama, 2021, 2112.05287.

Polarization insensitive silicon waveguide wavelength filter using polarization rotator and mode conversion Bragg grating with resonator cavity

H. Yaegashi, D. Shimura, H. Okayama, 2020 .

Asymmetric directional coupler type contra-directional polarization rotator Bragg grating: design

H. Yaegashi, D. Shimura, H. Okayama, 2019, Japanese Journal of Applied Physics.

Polarization rotation Bragg grating using Si waveguide with top surface groove grating and terrace

H. Yaegashi, D. Shimura, H. Okayama, 2018 .

Silicon wire waveguide TE0/TE1 mode conversion Bragg grating with resonant cavity section.

Hironori Sasaki, Hideaki Okayama, Daisuke Shimura, 2017, Optics express.

Silicon waveguide polarization rotation Bragg grating with resonator cavity section

H. Yaegashi, D. Shimura, H. Okayama, 2017 .

Silicon waveguide polarization rotation Bragg grating with phase shift section and sampled grating scheme

H. Yaegashi, D. Shimura, H. Okayama, 2016 .

Polarization rotation Bragg diffraction using Si wire waveguide grating and polarization rotator.

H. Yaegashi, D. Shimura, H. Okayama, 2015, Optics express.

Polarization rotation Bragg grating using Si wire waveguide with non-vertical sidewall.

Hironori Sasaki, Hideaki Okayama, Daisuke Shimura, 2014, Optics express.

25-Gbps operation of silicon p-i-n Mach-Zehnder optical modulator with 100-μm-long phase shifter

H. Okayama, H. Takahashi, S. Akiyama, 2012, 2012 Conference on Lasers and Electro-Optics (CLEO).

Confirmation of AlGaAs Crystal Domain Inversion Using Asymmetric Wet Etching and Optical Second-Harmonic Generation Methods

Chang-Qing Xu, Koji Nakamura, K. Takemasa, 1996 .

A 300-mm Silicon Photonics Platform for Large-Scale Device Integration

Tohru Mogami, Jun Ushida, Seok-Hwan Jeong, 2018, IEEE Journal of Selected Topics in Quantum Electronics.

Reduction of Light Signal Pulse Distortion in Cascaded SFG–DFG Wavelength Conversion: Segmented QPM Interleaved by Short Wavelength Cut Filters

H. Okayama, 2009, Journal of Lightwave Technology.

Ring Light Beam Deflector: Theory

H. Okayama, 2003 .

Polarization Diversified 16λ Demultiplexer Based on Silicon Wire Delayed Interferometers and Arrayed Waveguide Gratings

H. Yaegashi, T. Horikawa, Takahiro Nakamura, 2020, Journal of Lightwave Technology.

Waveguide Array Grating Wavelength Demultiplexer on LiNbO3

H. Okayama, H. Okayama, M. Kawahara, 1995 .

Design of silicon waveguide polarization beam splitter based on reversed Δβ directional coupler

H. Yaegashi, H. Okayama, H. Sasaki, 2020 .

Semiconductor Quasiphase Matched Wavelength Converters

T. Kamijoh, Hideaki Okayama, Chang-Qing Xu, 1997, Technical Digest CLEO/Pacific Rim '97 Pacific Rim Conference on Lasers and Electro-Optics.

Wavelength filter using twin one‐dimensional photonic crystal cavity silicon waveguides

H. Takahashi, H. Yaegashi, D. Shimura, 2019, Electronics Letters.

Optical wavelength converter for optical communication using long wavelength pump light

H. Okayama, Y. Ogawa, Y. Okabe, 2005, 2005 Pacific Rim Conference on Lasers & Electro-Optics.

Wavelength Router Using Bridged Planar Spectrographs

Chang-Qing Xu, K. Takemasa, H. Okayama, 1998 .

Sensor for refractive index variation of an optical surface using a high-refractive-index waveguide

H. Nakajima, H. Okayama, Yusaku Naoi, 2007 .

Optical waveguide design embedded in air-gap

H. Okayama, 2008, 2008 7th International Conference on Optical Internet.

Differential signal transmission in silicon-photonics integrated circuit for high density optical interconnects

Y. Arakawa, M. Okano, Tsuyoshi Yamamoto, 2011, 8th IEEE International Conference on Group IV Photonics.

A Compact Monitoring Circuit to Accurately Extract Fabrication Deviation in Silicon Waveguides

H. Yaegashi, J. Ushida, T. Horikawa, 2020, 2020 European Conference on Optical Communications (ECOC).

Optically biased LiNbO 3 Δβ reversal directional coupler switch

H. Okayama, A. Matoba, R. Shibuya, 1987 .

A novel method to characterize photorefractive damage in quasiphase-matched wavelength converters

H. Okayama, C. Xu, Y. Ogawa, 2000 .

Wavelength conversions ∼1.5 μm by difference frequency generation in periodically domain‐inverted LiNbO3 channel waveguides

Keisuke Shinozaki, Hideaki Okayama, Chang-Qing Xu, 1993 .

Large differences in Ti thermal diffusion caused domain inversion between undoped and MgO‐doped LiNbO3

Chang-Qing Xu, H. Okayama, M. Kawahara, 1994 .

Demonstration of 2D beam steering using large-scale passive optical phased array enabled by multimode waveguides with reduced phase error

T. Kita, H. Okayama, Yamato Misugi, 2022, Applied Physics Express.

12.5-Gb/s operation with 0.29-V·cm V(π)L using silicon Mach-Zehnder modulator based-on forward-biased pin diode.

Hideaki Okayama, Tsuyoshi Horikawa, Takeshi Akagawa, 2012, Optics express.

Two-module stage optical switch network

H. Okayama, T. Kamijoh, T. Tsuruoka, 2000, Journal of Lightwave Technology.

Optical Switch Array Using Banyan Network

N. Sakamoto, Hideaki Okayama, Y. Okabe, 1999 .

Low drive voltage directional coupler optical switch with reduced voltage-length product

H. Okayama, T. Ushikubo, T. Ishida, 1990 .

Microsphere/Cylinder Waveguide Resonator for Direct Light Beam Coupling Using Metallic Core and High Refractive Index Shell

H. Nakajima, H. Okayama, Akane Kobayashi, 2008 .

Crossed-Si-Wire-Waveguide Optical Switch

H. Nakajima, H. Okayama, Kohji Furuhashi, 2004 .

Device length dependence of optical second-harmonic generation in AlGaAs quasiphase matched waveguides

Chang-Qing Xu, Koji Nakamura, K. Shinozaki, 1997 .

Optical frequency conversions in nonlinear medium with periodically modulated linear and nonlinear optical parameters

Hideaki Okayama, Chang-Qing Xu, Masato Kawahara, 1995 .

A New Method to Treat Second-order Nonlinear Optical Interactions in Nonlinear Medium With Periodical Structure

H. Okayama, C. Xu, M. Kawahara, 1995, Nonlinear Guided Waves and Their Applications.

Rectangular resonators on silicon-on-insulator with large sensing area for object detection

H. Nakajima, T. Kita, H. Okayama, 2019, Japanese Journal of Applied Physics.

Polarisation insensitive wavelength de‐multiplexer using arrayed waveguide grating and polarisation rotator/splitter

H. Takahashi, H. Yaegashi, D. Shimura, 2019, Electronics Letters.

Silicon Photonics Based 16λ-WDM Demultiplexers for Operating in C-band and O-band Spectral Regimes

H. Yaegashi, T. Horikawa, Takahiro Nakamura, 2019, 45th European Conference on Optical Communication (ECOC 2019).

Si wire array waveguide grating with parallel star coupler configuration fabricated by ArF excimer immersion lithography

Munehiro Toyama, Minoru Ohtsuka, Nobuyuki Yokoyama, 2013 .

Lithium niobate: electro-optic guided-wave optical switch

Hideaki Okayama, H. Okayama, 2001, ITCom.

Vertical input optical ring resonator with differential operation for optical sensor

H. Nakajima, H. Okayama, M. Miyazaki, 2011 .

Low loss 100 GHz spacing Si arrayed-waveguide grating using minimal terrace at slab–array interface

H. Takahashi, Hironori Sasaki, Hideaki Okayama, 2016 .