Ikuo Yamashita

发表

Simultaneous Optical Signal Sampling for Orthogonal Components of Optical Phase Shift Keying Signals with Bidirectional Use of a Chirped Periodically Poled LiNbO3 Wavelength Converter

Tadashi Kishimoto, Koji Inafune, Hitoshi Murai, 2014 .

OPGWによる40Gbit/s×8波長多重伝送実験

Ikuo Yamashita, Shigeyuki Seikai, Kyoichi Oro, 2004 .

All optical clock recovery from NRZ optical signals using an interferometer composed of a birefringent fiber

Ikuo Yamashita, Shigeyuki Seikai, Kazuhiro Shimoura, 2002 .

Studies on repeaterless WDM transmission system considering increase in the number of wavelength up to twelve

Ikuo Yamashita, Shigeyuki Seikai, Masaji Inoguchi, 1998 .

Studies on Single Channel 80-Gbit/s Optical Singal Transmission Using SMF Lines Incorporated with Dispersion Compensation Fibers and Alternate polarization Multiplexing

Ikuo Yamashita, Shigeyuki Seikai, Hirhiko Shishida, 2002 .

A Study on Power Delay Profile Measurement Using IEEE 802.11g Based Long Preamble Signals for WLAN Systems at 2.4 GHz Band

Satoru Shimizu, Ikuo Yamashita, Hironobu Hatamoto, 2012, 2012 IEEE 75th Vehicular Technology Conference (VTC Spring).

Generation of Pseudo-Random Optical Signals using the Fiber Recirculating Loops

Masaharu Ohashi, Ikuo Yamashita, Yasuhiro Tsutsumi, 2014, 2014 Asia Communications and Photonics Conference (ACP).

A Study for Stable Measurement of Optical Signal Power in an Optical Fiber Using an Improved Optical Fiber Identifier

Ikuo Yamashita, Kazuhiro Ito, 2010 .

Multi-Cell Communication Systems Using Radio over Fiber Technology

Satoru Shimizu, Ikuo Yamashita, Yasuhiro Kanaoka, 2011 .

既設光ファイバの区間損失の日変動による劣化状況の推定;既設光ファイバの区間損失の日変動による劣化状況の推定;Estimation of Deteriorated Part of an Optical Fiber Cable in the Field from Daily Change of Optical Loss of Each Section

Ikuo Yamashita, Masanori Hino, Tadahiko Sumi, 2015 .

40-Gbit/s WDM Transmission Incorporating with a Reflective Type Amplifier Using a Raman Active DCF

Ikuo Yamashita, Shigeyuki Seikai, Kyoichi Oro, 2005 .

Studies of a system gathering multi-channel visual signals using a single optical fiber and a bidirectional optical amlifier

Ikuo Yamashita, Takuya Suzuki, Shigeyuki Seikai, 1999 .

9. A Technique of Optical Power Supply Using Optical Fibers and Its Application( Optical Fiber Technologies and Applications)

Ikuo Yamashita, 2008 .

Experimental demonstration of a wavelength tunable polarization OTDR using a SOA for received signal amplification

Masaharu Ohashi, Ikuo Yamashita, 2009, 2009 Asia Communications and Photonics conference and Exhibition (ACP).

Development of Air-Hole Type Double-Clad Fiber Lasers

Ikuo Yamashita, Shigeyuki Seikai, Junya Maeda, 2005 .

A Study of Optical Signal Sampling of Optical Phase Shift Keying Signals Using a Chirped Periodically Poled Lithium Niobate Wavelength Converter

Tadashi Kishimoto, Koji Inafune, Hitoshi Murai, 2013 .

Stabilization of power system with TCSDR based on VSS theory

Ikuo Yamashita, Shinnosuke Sawa, Shigeyuki Seikai, 2001 .

Experimental studies of optical Raman amplifiers for a 1.3μm wavelength band and its application to 20Gbit/s×2 WDM transmissions

Ikuo Yamashita, Masaji Inoguchi, Kansai Tech, 2002 .

Longitudinal fiber parameter measurements of pure silica core fibers based on OTDR technique

Masaharu Ohashi, Ikuo Yamashita, Yasuhiro Tsutsumi, 2009, SPIE/OSA/IEEE Asia Communications and Photonics.

The Results of the First IPTP Character Recognition Competition and Studies on Multi-Expert Recognition for Handwritten Numerals (Special Issue on Document Analysis and Recognition)

Ikuo Yamashita, Toru Wakahara, T. Matsui, 1994 .

Demonstration of 4×2.5Gbit/s WDM Transmission in a 1.3-μm Wavelength Band Using SMF Cables Constructed in a Field

Ikuo Yamashita, Shigeyuki Seikai, Shigeru Miyazaki, 1998 .

A Study of Observing Optical Waveform Applying All Optical Signal Sampling Technique Using a Chirped Periodically Poled Lithium Niobate Wavelength Converter

Tadashi Kishimoto, Koji Inafune, Hitoshi Murai, 2012 .

A Stydy on Clock-Signal Extraction of a 40-Gbit/s Optical RZ Signal Using an Injection Locking Circuit

Ikuo Yamashita, Shigeyuki Seikai, 2004 .

Transmission characteristics of WDM signals amplified by semiconductor optical amplifiers in a 1.3-μm wavelength band

Ikuo Yamashita, Shigeyuki Seikai, Kazuhiro Shimoura, 1997 .

A Study on 10-GHz Clock Signal Extraction from 160-Gbit/s RZ Optical Signals

Ikuo Yamashita, Shigeyuki Seikai, Kyoichi Oro, 2005 .

Transmission Experiment of 80-Gbit/s-Based WDM Signals Using an OPGW in the Field and In-service Chromatic Dispersion Monitering through Envelope Modulated WDM Signals

Ikuo Yamashita, Shigeyuki Seikai, Kyoichi Oro, 2007 .

Vibration Monitoring Based on Cascaded-LPFG Fabricated with Heat-Shrinkable Tube

Masaharu Ohashi, Hirokazu Kubota, Yuji Miyoshi, 2019, 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC).

A Study of Observing Optical Waveform Applying All Optical Signal Sampling Technique Using a High Nonlinear Fiber

Koji Inafune, Hitoshi Murai, Ikuo Yamashita, 2011 .

A Study of MIMO Wireless LAN System with Extending Antenna Distance Using RoF Technique

Satoru Shimizu, Ikuo Yamashita, Yasuhiro Kanaoka, 2012 .

Studies of WDM transmission suitable for the optical network of electric power companies

Ikuo Yamashita, Shigeyuki Seikai, Kazuhiro Shimoura, 2000 .

A Study of Mechanical Vibration Signal Transmission Using Position Modulated Optical Pulses

Ikuo Yamashita, Shigeyuki Seikai, Kyoichi Oro, 2007 .

A Study of an Optical Data Link Using a Technique of Optical Fiber Power Supply through an Optical Fiber Installed Outside.

Ikuo Yamashita, Shigeyuki Seikai, Kyoichi Oro, 2007 .

Polarization Independent All Optical Clock Signal Extraction from NRZ Optical Signal

Ikuo Yamashita, Shigeyuki Seikai, Kyoichi Oro, 2006 .

WDM Transmission Experiments Using OPGW Lines

Ikuo Yamashita, Shigeyuki Seikai, 1997 .

Experimental Studies on Four Channel Repeaterless WDM Transmission Using Semiconductor Optical Amplifiers in 1.3-μm Wavelength Band

Ikuo Yamashita, Shigeyuki Seikai, Masaji Inoguchi, 1999 .

A Transmission Experiment of an OTDM Access System Including All Optical Serial / Parallel Conversion Technique Using an Optical Fiber Cable Installed Outside

Hitoshi Murai, Ikuo Yamashita, Kozo Fujii, 2009 .

A clock recovery circuit for 80-Gbit/s optical signals and its application to 400-km single channel transmission

Ikuo Yamashita, Shigeyuki Seikai, Kazuhiro Shimoura, 2002 .

OPGWの電流サージで生じる光信号の瞬時偏波変動の実測;OPGWの電流サージで生じる光信号の瞬時偏波変動の実測;Measurement of High Speed Polarization Change of Optical Signal through an OPGW Caused by Serge Current

Hitoshi Murai, Ikuo Yamashita, Osamu Ogawa, 2016 .

光ファイバ後方散乱光の偏光度を利用した障害区間探査の検討;光ファイバ後方散乱光の偏光度を利用した障害区間探査の検討;Defective Section Detection of Optical Transmission Line Utilizing Degree of Polarization of Backscattered Light

Masaharu Ohashi, Ikuo Yamashita, Yasuhiro Tsutsumi, 2013 .

Vibration Monitoring based on a compact LPFG with a heat-shrinkable tube

Masaharu Ohashi, Hirokazu Kubota, Yuji Miyoshi, 2013 .