Hiroki KISHIKAWA


Increase of Recognizable Label Number with Optical Passive Waveguide Circuits for Recognition of Encoded 4- and 8-Bit BPSK Labels
Hiroki KISHIKAWA Akito IHARA Nobuo GOTO Shin-ichiro YANAGIYA 
Publication:   
Publication Date: 2017/01/01
Vol. E100-C  No. 1  pp. 84-93
Type of Manuscript:  PAPER
Category: Optoelectronics
Keyword: 
code recognitionoptical waveguide circuitsoptical BPSK code
 Summary | Full Text:PDF(1.7MB)

Performance Analysis of All-Optical Wavelength-Shift-Free Format Conversion from QPSK to Two BPSK Tributaries Using FWM and Interference
Rina ANDO Hiroki KISHIKAWA Nobuo GOTO Shin-ichiro YANAGIYA Lawrence R. CHEN 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/02/01
Vol. E99-C  No. 2  pp. 219-226
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Photonics Technologies and Their Applications)
Category: 
Keyword: 
optical processingmodulation formatfour-wave mixingQPSKBPSK
 Summary | Full Text:PDF(3MB)

Optimization of Two-Dimensional Filter in Time-to-Space Converted Correlator for Optical BPSK Label Recognition Using Genetic Algorithms
Naohide KAMITANI Hiroki KISHIKAWA Nobuo GOTO Shin-ichiro YANAGIYA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/01/01
Vol. E94-C  No. 1  pp. 47-54
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: Information Processing
Keyword: 
optical label recognitiontime-to-space conversiontwo-dimensional filtergenetic algorithmsdelay compensation
 Summary | Full Text:PDF(1MB)

Optical Switch by Light Intensity Control in Cascaded Coupled Waveguides
Hiroki KISHIKAWA Nobuo GOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/02/01
Vol. E90-C  No. 2  pp. 492-498
Type of Manuscript:  PAPER
Category: Lasers, Quantum Electronics
Keyword: 
optical switchoptical couplercoupled-mode theoryfinite-difference beam-propagation methodwavelength-selectivity
 Summary | Full Text:PDF(714.7KB)

Switching Characteristics of All-Optical Wavelength-Selective Switch Using Waveguide-Type Raman Amplifiers and 3-dB Couplers
Hiroki KISHIKAWA Nobuo GOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/07/01
Vol. E89-C  No. 7  pp. 1108-1111
Type of Manuscript:  LETTER
Category: Lasers, Quantum Electronics
Keyword: 
optical switchall-opticalwavelength-selectivitycoupled-mode theoryfinite-difference beam-propagation method
 Summary | Full Text:PDF(388.1KB)