Kazuya HAYATA


Enhanced Two-Level Optical Resonance in Spherical Microcavities
Kazuya HAYATA Tsutomu KOSHIDA Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/04/25
Vol. E78-C  No. 4  pp. 454-461
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
self-induced transparencymorphology dependent resonanceMie-sized microsphereoptical microcavitytwo-level systemoptical feedback
 Summary | Full Text:PDF(551.3KB)

Stable Light-Bullet Formation in a Kerr Medium: A Route to Multidimensional Solitons in the Femtosecond Regime
Kazuya HAYATA Hiroyuki HIGAKI Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/01/25
Vol. E78-C  No. 1  pp. 38-42
Type of Manuscript:  Special Section PAPER (Special Issue on Ultrafast Optoelectronics)
Category: 
Keyword: 
light bulletmultidimensional solitonfemtosecond optoelectronicsquantum field theoryhigher-order nonlinear Schrödinger equation
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Time-Resolved Nonstationary-Field Dynamics in Nonlinear Optical Channel Waveguides: Numerical Evidence for Intrapulse Switching and Space-Time Spontaneous Symmetry-Breaking Instabilities
Kazuya HAYATA Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/11/25
Vol. E77-C  No. 11  pp. 1828-1832
Type of Manuscript:  Special Section LETTER (Special Issue on Electromagnetic Theory)
Category: 
Keyword: 
space-time spontaneous symmetry breakingtime-resolved characteristicintrapulse optical switchingnonlinear guided wave
 Summary | Full Text:PDF(391.1KB)

Theory of Chemical Waveguides
Kazuya HAYATA Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/10/25
Vol. E77-C  No. 10  pp. 1706-1709
Type of Manuscript:  LETTER
Category: Electromagnetic Theory
Keyword: 
chemical wavereaction-diffusion systemguided modedark soliton
 Summary | Full Text:PDF(283.7KB)

Quasi-Instanton Solution for Ultrashort Baseband Optical Signals
Kazuya HAYATA Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/12/25
Vol. E76-A  No. 12  pp. 2059-2061
Type of Manuscript:  Special Section LETTER (Special Section of Letters Selected from the 1993 IEICE Fall Conference)
Category: 
Keyword: 
instantonbaseband optical signalnonlinear Klein-Gordon equationlight conesaturable nonlinear polarization
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Optical Instantons as the Utmost Limit to Ultrafast Nonlinear Coherent Processes
Kazuya HAYATA Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1991/12/25
Vol. E74-A  No. 12  pp. 3946-3948
Type of Manuscript:  Special Section LETTER (Special Issue on the 1991 IEICE Fall Conference)
Category: Electromagnetic Theory
Keyword: 
 Summary | Full Text:PDF(163.6KB)

Mutual Guiding Assistance between Eigenmodes of Nonlinearly Coupled TE-TM Waves
Kazuya HAYATA Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/09/25
Vol. E74-C  No. 9  pp. 2890-2897
Type of Manuscript:  Special Section PAPER (Special Issue on OFSET '90)
Category: Waveguide
Keyword: 
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Chaotic Propagation of the Elliptically-Polarized Light in Nonlinear Guided-Wave Structures
Kazuya HAYATA Akira MISAWA Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/06/25
Vol. E73-E  No. 6  pp. 855-860
Type of Manuscript:  Special Section PAPER (Special Issue on Engineering Chaos)
Category: Chaos in Engineering Science
Keyword: 
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Vectorial Finite-Element Formulation without Spurious Modes for Dielectric Waveguides
Masanori KOSHIBA Kazuya HAYATA Michio SUZUKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1984/04/25
Vol. E67-E  No. 4  pp. 191-196
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
 Summary | Full Text:PDF(332.5KB)

On Accuracy of Approximate Scalar Finite-Element Analysis of Dielectric Optical Waveguides
Masanori KOSHIBA Kazuya HAYATA Michio SUZUKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1983/02/25
Vol. E66-E  No. 2  pp. 157-158
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(117.7KB)