Kiyoshi KISHIOKA


Improvement of the Optical Gain in the Er-Doped Lithium Niobate Waveguide Optical Amplifiers
Kiyoshi KISHIOKA Tomonari KISHIMOTO Kenta KUME 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/05/01
Vol. E88-C  No. 5  pp. 1041-1052
Type of Manuscript:  PAPER
Category: Optoelectronics
Keyword: 
optical amplifierEr-doped waveguide amplifierLiNbO3 waveguide
 Summary | Full Text:PDF(861.9KB)

Optical Filter Utilizing the Directional Coupler Composed of the K-and Ag-ion Exchange Waveguides
Kiyoshi KISHIOKA Kazuya YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/10/25
Vol. E79-C  No. 10  pp. 1405-1412
Type of Manuscript:  Special Section PAPER (Special Issue on Electromagnetic Theory-Foundations and Applications)
Category: 
Keyword: 
optical filteroptical deviceoptical (integrated) circuition-exchange waveguidedirectional coupler
 Summary | Full Text:PDF(774.2KB)

Determination of Diffusion-Parameter Values in K+-Ion Exchange Waveguides Made by Diluted KNO3 in Soda-Lime Glass
Kiyoshi KISHIOKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/10/25
Vol. E78-C  No. 10  pp. 1409-1418
Type of Manuscript:  Special Section PAPER (Special Issue on Electromagnetic Theory)
Category: 
Keyword: 
refractive-index profileion-exchange waveguideoptical waveguideoptical integrated circuit
 Summary | Full Text:PDF(645.9KB)

Extinction Ratio Adjustment for the Coupler-Type Wavelength Demultiplexer Made by K+-Ion Diffused Waveguides
Kiyoshi KISHIOKA Yoshinori YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/11/25
Vol. E77-C  No. 11  pp. 1752-1758
Type of Manuscript:  Special Section PAPER (Special Issue on Electromagnetic Theory)
Category: 
Keyword: 
demultiplexerdirectional couplerion-exchange waveguideintegrated optical device
 Summary | Full Text:PDF(568.2KB)

Wavelength Demultiplexer Utilizing Stratified Waveguides with a Tapered Buffer Layer
Kiyoshi KISHIOKA Heihachiro OCHIAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/10/25
Vol. E76-C  No. 10  pp. 1491-1497
Type of Manuscript:  Special Section PAPER (Special Issue on the 1992 Symposium on Electromagnetic Theory)
Category: Optical Device
Keyword: 
demultiplexerbranching waveguidesY junctionintegrated optical device
 Summary | Full Text:PDF(547.5KB)