Search Results:　 1-20 of 176

1

Optical Response of Polarons and Solitons in One-Dimensional Peierls--Hubbard Model

Maeshima Nobuya , Moriya Kosuke , Hino Ken-ichi

… We investigate optical properties of polarons and solitons in one-dimensional (1D) Peierls--Hubbard model by using the density matrix renormalization group method combined with the adiabatic approximation for lattice distortion. … Obtained numerical results demonstrate that there appear novel midgap peaks in optical response spectra of polarons and charged-solitons for large on-site Coulomb interaction U. …

J Phys Soc Jpn 81(10), 104708-104708-7, 2012-10-15

The Physical Society of Japan
2

Propagating Wave Patterns in a Derivative Nonlinear Schrödinger System with Quintic Nonlinearity

Rogers Colin , Malomed Boris , Li Jin Hua , Chow Kwok Wing

… These patterns include bright pulses, fronts and dark solitons. … The derivative quintic nonlinear Schrödinger model equations investigated here are relevant in the analysis of strong optical signals propagating in spatial or temporal waveguides. …

J Phys Soc Jpn 81(9), 094005-094005-8, 2012-09-15

The Physical Society of Japan
3

All Optical Logic Gates Based on Cavity Solitons with Nonlinear Gain

ESLAMI Mansour , KHERADMAND Reza

Optical review 19(4), 242-246, 2012-08-01

References (24)
4

Lattice Solitons in Optical Lattice Controlled by Electromagnetically Induced Transparency

Pang Wei , Wu Jianxiong , Yuan Zhonghui , Liu Yan , Chen Guihua

… An optical four-level atomic discrete system in a solid through optical induction is proposed. … A theoretical scheme to produce lattice solitons (LSs) in the system is presented by means of the effects of enhanced self-phase modulation and the giant kerr effect in the electromagnetically induced transparency. …

J Phys Soc Jpn 80(11), 113401-113401-4, 2011-11-15

The Physical Society of Japan
5

Switching of Multiples Solitons in Arrays of Coupled Cavities

Aghdami Keivan M. , Kheradmand Reza , Karimi Roghayyeh

… In this paper, light propagation dynamics in a coupled optical cavities array in self-defocusing configuration which has been driven by a holding beam is investigated numerically. … It was shown that superposition of appropriate Gaussian control beam and plane wave holding beam can be used to write and erase of discrete cavity solitons and to switch between different orders of solitons. … This method develops as an important issue of light control and all optical switches. …

Jpn J Appl Phys 50(5), 05FG05-05FG05-2, 2011-05-25

The Japan Society of Applied Physics
6

Optical Signal Modulation of Semiconductor Soliton Device with Circular Ring Resonator

Ming Chang Shih , Wen Hsuan Sheih , Cheng Seng Chen

… We demonstrated a novel optical signal modulation by the interaction of spatial solitons generated from a semiconductor ridge waveguide circular ring resonator with an input signal from the Y-junction coupling section. … By controlling the optical power of the circular ring resonator with emission at 660 nm, in which a spatial soliton waveguide is formed owing to the photorefractive effect, one can manipulate the transmission of the input signal through the soliton waveguide. …

Jpn J Appl Phys 49(4), 04DG17-04DG17-4, 2010-04-25

The Japan Society of Applied Physics
7

Decay Kinetics of Photoinduced Solitons on a One-Dimensional Lattice with Traps(Condensed matter: electronic structure and electrical, magnetic, and optical properties)

TABATA Yoshinori , KURODA Noritaka

… The survival probability of solitons diffusing on a one-dimensional lattice with traps is studied numerically. … The solitons are assumed to collapse once they collide with one another or reach the traps. … The randomness of the distance between adjacent traps, as well as the disorder of the intersite energy barriers for the hopping motion of solitons, functions to reduce the deviation of the decay profile from the case of the trap-free lattice. …

Journal of the Physical Society of Japan 78(3), "034704-1"-"034704-7", 2009-03-15

CiNii Fulltext PDF - Paid IR The Physical Society of Japan References (24)
8

Broadband Coherent Anti-Stokes Raman Scattering Spectroscopy Using Pulse-Shaper-Controlled Variable-Wavelength Soliton Pulses from a Photonic Crystal Fiber

Tada Kazuhiro , Karasawa Naoki

… Fundamental soliton pulses from a photonic crystal fiber (PCF) were used as variable-wavelength optical pulses in coherent anti-Stokes Raman scattering (CARS) spectroscopy using a single un-amplified laser oscillator in a microscopy setup. …

Jpn J Appl Phys 47(12), 8825-8828, 2008-12-25

The Japan Society of Applied Physics Cited by (5)
9

Quantum Fluctuations of Chirality in One-Dimensional Spin-1/2 Multiferroics : Gapless Dielectric Response from Phasons and Chiral Solitons(Condensed matter: electronic structure and electrical, magnetic, and optical properties)

FURUKAWA Shunsuke , SATO Masahiro , SAIGA Yasuhiro , ONODA Shigeki

… There appear gapless chirality excitations described by phasons and new solitons, which can be experimentally verified from the low-energy dielectric response. …

Journal of the Physical Society of Japan 77(12), "123712-1"-"123712-4", 2008-12-15

CiNii Fulltext PDF - Paid The Physical Society of Japan References (38)
10

Current Doublers Based on the Quantum Current-Mirror Effect

Shimada Hiroshi , Hanadou Sumio , Kawai Takuma , Kido Hiroto , Mizugaki Yoshinao

… In both types of devices, a current fed to the input array is doubled in the output circuit, which includes the connected arrays, up to about 100 pA with the accuracy ${\leq}{\pm 3}$ pA, which is the uncertainty of the measurement system, by correlated tunnelings of Cooper-pair charge solitons in the arrays. …

Jpn J Appl Phys 47(10), 8131-8136, 2008-10-25

The Japan Society of Applied Physics
11

Ultrashort Optical Solitons in the Cubic-Quintic Complex Ginzburg-Landau Equation with Higher-Order Terms(Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid mechanics)

FEWO Serge I. , NGABIRENG Claude M. , KOFANE Timoleon C.

… With the help of the Maxwell equations, a basic equation modeling the propagation of ultrashort optical solitons in optical fiber is derived, namely the higher-order complex Ginzburg-Landau equation (HCGLE). … Equations obtained are investigated numerically in order to observe the behaviour of pulse parameters along the optical fiber. …

Journal of the Physical Society of Japan 77(7), "074401-1"-"074401-12", 2008-07-15

CiNii Fulltext PDF - Paid The Physical Society of Japan References (69)
12

Effect of polarization-mode dispersion in ultra high speed transmission of dispersion managed solitons [in Japanese]

FUKUCHI Shinya , MAEDA Joji , ASAKURA Yousuke

分散管理ソリトン伝送における偏波分散のペナルティは,伝送路の局所的な複屈折性によって大きな差が生じることが知られている.本論文では, 伝送速度160Gb/sの分散管理ソリトン伝送における偏波分散の影響をシミュレーションによって検討した.伝送路の複屈折パターンを50通り用意し,送信端における入射偏波状態を固定してそれぞれの伝送可能距離を調べたところ,最大で2080kmの伝送が可能な複屈折パターンが存 …

Technical report of IEICE. OCS 107(153), 49-52, 2007-07-13

CiNii Fulltext PDF - Subscription References (4)
13

Thermodynamic Properties and Elementary Excitations in Quantum Sine-Gordon Spin System KCuGaF_6(Condensed matter: electronic structure and electrical, magnetic, and optical properties)

MORISAKI Rieko , ONO Toshio , TANAKA Hidekazu , NOJIRI Hiroyuki

Thermodynamic properties and elementary excitations in S=1/2 one-dimensional Heisenberg antiferromagnet KCuGaF_6 were investigated by magnetic susceptibility, specific heat and ESR measurements. Due t …

Journal of the Physical Society of Japan 76(6), "063706-1"-"063706-4", 2007-06-15

CiNii Fulltext PDF - Paid The Physical Society of Japan References (22)
14

Experimental Demonstration of All-Optical Tunable Delay Line based on Soliton's Temporal Shift due to Cross Phase Modulation in Optical Fiber [in Japanese]

KUNIHIRO Takashi , MAEDA Atsushi , MARUTA Akihiro

高効率な光パケットルータを実現する上で、光バッファの開発が重要である。最近、ファイバ中での光パルスの伝搬速度を光によって制御する「Slow/Fast Light」技術が盛んに研究されている。一方、波長の異なる光ソリトンどうしが理想的なファイバ中で衝突すると、衝突の前後でそのパルス波形および中心周波数は変化しないが、衝突中に生じる相互位相変調によって、パルスの時間位置と位相のシフトが生じる。本報告で …

IEICE technical report 105(667), 121-126, 2006-03-09

CiNii Fulltext PDF - Subscription References (12) Cited by (2)
15

Slow Group-Velocity Femtosecond Solitons in Dispersion Flattened Fiber

Chen Chi-Feng

… When the femtosecond pulse velocity is reduced to 50% of the normal group velocity, the analytical solutions of the bright and dark solitons are found. … The peak power and period of the solitons are determined by the magnitude of the fourth-order dispersion parameter and high-order nonlinearity coefficient. …

Jpn J Appl Phys 44(11), 7962-7965, 2005-11-15

The Japan Society of Applied Physics References (16)
16

Soliton Pulse Propagation in Averaged Dispersion-managed Optical Fiber System(Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics and Fluid Mechanics)

MAK C. C. , CHOW K. W. , NAKKEERAN K.

… The same variable coefficient NLSE is also applicable to optical fiber systems with phase modulation or pulse compression. …

Journal of the Physical Society of Japan 74(5), 1449-1456, 2005-05-15

CiNii Fulltext PDF - Paid The Physical Society of Japan Cited by (3)
17

Enhancement of Magnetic Order in the Incommensurate Phase of Mg-doped CuGeO_3(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)

STOCK C. , WAKIMOTO S. , BIRGENEAU R. J. , DANILKIN S. , KLENKE J. , SMEIBIDL P. , VORDERWISCH P.

… We also find that the magnetic Bragg peaks remain commensurate even though the structure is incommensurate at high magnetic fields due to the formation of solitons. … We interpret these results in terms of the solitons formed at high-magnetic fields effectively acting as doped impurities. …

Journal of the Physical Society of Japan 74(2), 746-752, 2005-02-15

CiNii Fulltext PDF - Paid The Physical Society of Japan References (33)
18

Photoinduced Absorption Spectra of Halogen-bridged Binuclear Metal Complexes : Possible Contrast between R_4[Pt_2(P_2O_5H_2)_4X]・nH_2O and Pt_2(CH_3CS_2)_4I(Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties)

OHARA Jun , YAMAMOTO Shoji

… The optical conductivity of photogenerated solitons in quasi-one-dimensional halogen-bridged binuclear metal (MMX) complexes is investigated with particular emphasis on a comparison between the two family compounds R_4[Pt_2(pop)_4X]・nH_2O (X=Cl, Br, I ; …

Journal of the Physical Society of Japan 74(1), 250-253, 2005-01-15

CiNii Fulltext PDF - Paid The Physical Society of Japan References (50)
19

Modeling of electromagnetic waves propagation in nonlinear optical media using HSCN-TLM method

Khalladi Mohsine , Yaich M. I. , Aknin N. , Carrión M. C.

… In this paper, we propose a hybrid symmetrical condensed node TLM approach for the simulation of optical media under femtosecond regime. … Optical solitons with Kerr and Raman nonlinearities are simulated using this novel approach. …

IEICE Electronics Express 2(13), 384-391, 2005

J-STAGE CrossRef
20

Optimization of Nonlinear Dispersive APML ABC for the FDTD Analysis of Optical Solitons

FUJII Masafumi , SAKAGAMI Iwata

電子情報通信学会技術研究報告. MW, マイクロ波 104(536), 21-26, 2004-12-20

References (16)

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