Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OFT |
2015-10-23 10:00 |
Mie |
Mie Univ. |
All-Fiber Single-Channel Bandpass Filters Formed by a High Attenuation Fiber Placed between Long-Period Fiber Gratings Fatemeh Abrishamian, Katsumi Morishita (Osaka Eectro-Comm. Univ.) OFT2015-35 |
We proposed and demonstrated all-fiber single-channel bandpass filters that employed a high attenuation metal-doped fibe... [more] |
OFT2015-35 pp.43-48 |
OFT |
2014-10-23 13:00 |
Hyogo |
|
Widening the Rejection Bands of Long-Period Fiber Gratings by Cascade Connection of a π-Phase Shift Fatemeh Abrishamian, Katsumi Morishita (Osaka Eectro-Comm. Univ.) OFT2014-23 |
A novel method was developed to expand and adjust the bandwidth of long-period fiber gratings (LPFGs) as band-rejection ... [more] |
OFT2014-23 pp.1-6 |
OFT, OCS (Joint) |
2013-08-22 17:05 |
Hokkaido |
|
Resonance Wavelength Fluctuations Caused by Different Discharge Conditions in Long-Period Fiber Gratings Fabricated by a Point-by-Point Arc Discharge Technique Katsumi Morishita, Yuya Yamamoto (Osaka Electro-Comm. Univ.) OFT2013-15 |
Resonance wavelength fluctuations in long-period fiber gratings (LPFGs) cause a major issue for the design and productio... [more] |
OFT2013-15 pp.11-16 |
OCS, OFT (Joint) |
2012-08-31 13:10 |
Hokkaido |
|
Refractive Index Profile Changes Caused by Arc Discharge in Arc-Induced Long-Period Fiber Gratings Fatemeh Abrishamian (Osaka Electro-Comm. Univ.), Nicoleta Dragomir (Victoria Univ.), Katsumi Morishita (Osaka Electro-Comm. Univ.) OFT2012-25 |
Long-period fiber gratings were inscribed in a commercial silica fiber by a point-by-point arc discharge technique with ... [more] |
OFT2012-25 pp.33-38 |
OFT |
2012-01-19 17:20 |
Kagawa |
|
A Transfer-Matrix Method for Analyzing Non-uniform Co-directional Fiber Grating Couplers and Comparison between Measured and Calculated Transmission Spectra Fatemeh Abrishamian, Katsumi Morishita (Osaka Electro-Comm. Univ.) OFT2011-63 |
A simple and efficient transfer-matrix method based on a discrete coupling model is presented to analyze uniform and non... [more] |
OFT2011-63 pp.37-42 |
OFT |
2011-01-27 14:55 |
Nagasaki |
|
An Experimental Study on Wavelength and Polarization Dependences of Fused Fiber Couplers Katsumi Morishita, Kazunori Yamazaki (Osaka Electro-Comm. Univ.) OFT2010-51 |
Fused fiber couplers were fabricated by controlling the coupler waist profile, and the wavelength and the polarization d... [more] |
OFT2010-51 pp.21-26 |
OFT |
2011-01-27 15:20 |
Nagasaki |
|
Resonance Wavelength Shifts and Refractive Index Profile Changes Caused by Heating the Long-Period Fiber Grating Fatemeh Abrishamian, Katsumi Morishita (Osaka Electro-Comm. Univ.) OFT2010-52 |
A silica fiber and long-period gratings written in it were heated to clarify the effect of the glass structure and the r... [more] |
OFT2010-52 pp.27-30 |
OFT |
2010-10-25 13:15 |
Saitama |
Nippon Institute of Technology |
[Special Invited Talk]
Researches on Fiber Optics and Fiber-Based Optical Devices Katsumi Morishita (Osaka Electro-Comm. Univ.) OFT2010-31 |
The author has been doing original researches in the fields of fiber optics and fiber-based optical devices. This paper ... [more] |
OFT2010-31 pp.15-20 |
OFT |
2009-10-30 13:40 |
Oita |
|
Changes in Polarization and Wavelength Dependences of Fused Fiber Couplers Induced by the Cross Sectional Shape of the Coupling Region Makoto Kawabata, Kazunori Yamazaki, Katsumi Morishita (Osaka Electro-Comm. Univ.) OFT2009-50 |
Fused fiber couplers with different cross sectional shapes were fabricated, and the polarization and wavelength dependen... [more] |
OFT2009-50 pp.77-82 |
OFT |
2009-10-30 14:05 |
Oita |
|
Expanding Blue Shift on Post-Fabrication Resonance Wavelength Adjustment of Long-Period Fiber Gratings by Heating Fatemeh Abrishamian, Katsumi Morishita (Osaka Electro-Comm. Univ.) OFT2009-51 |
The adjustable range of resonance wavelengths of long-period fiber gratings was broadened toward the blue wavelength sid... [more] |
OFT2009-51 pp.83-88 |
OFT |
2008-05-15 15:25 |
Osaka |
|
Influence of Heating Temperature on Adjusting Resonance Wavelengths of Long-Period Fiber Gratings by Heating Katsumi Morishita, Eijun Hirao (Osaka Electro-Communication Univ) OFT2008-5 |
It was shown that resonance wavelengths of long-period gratings written in silica fibers by the glass structure change w... [more] |
OFT2008-5 pp.19-24 |
EMT, LQE, OPE, PN |
2008-01-28 13:00 |
Osaka |
|
[Invited Talk]
The Glass Structure Change
-- Its Application to Fabricating Fiber-Based Devices and Modifying Their Properties -- Katsumi Morishita (Osaka Electro-Comm. Univ.) PN2007-43 OPE2007-151 LQE2007-129 |
Changing the refractive index locally is a very important technique for fabricating optical devices and modifying their ... [more] |
PN2007-43 OPE2007-151 LQE2007-129 pp.33-38 |
OFT, OCS (Joint) |
2007-08-24 10:15 |
Hokkaido |
|
A Method Based on the Glass Structure Change to Make Fused Fiber Couplers Wavelength-Insensitive Katsumi Morishita, Nobuyuki Ohta (Osaka Electro-Comm. Univ.) OFT2007-25 |
A method based on the glass structure change is proposed to provide wavelength-insensitive coupling for fused fiber coup... [more] |
OFT2007-25 pp.61-66 |
OFT |
2006-05-12 11:50 |
Fukuoka |
KYUSHU UNIVERSITY |
Residual Stress Effects on Adjusting Optical Properties of Long-Period Fiber Gratings by Heating Katsumi Morishita, Akihiro Kaino (Osaka Electro-Comm. Univ.) OFT2006-15 |
Long-period gratings are written in the fibers un-relaxed and relaxed the residual stress. The residual stress effects ... [more] |
OFT2006-15 pp.67-72 |
OCS, OFT |
2004-08-27 09:15 |
Hokkaido |
Muroran Institute of Technology |
Resonance Wavelength Adjustment of Long-Period Fiber Gratings by the Glass Structure Change Induced by Heating Katsumi Morishita, Akihiro Kaino (Osaka Electro-Comm. Univ.) |
Long-period fiber gratings written by arc discharge are heated at different temperatures, and the post-heating changes o... [more] |
OCS2004-69 OFT2004-32 pp.7-12 |