TY - GEN
T1 - Mode control of random microresonators consisting of scattering particles
AU - Takeda, S.
AU - Hamada, S.
AU - Terakawa, M.
AU - Saiki, T.
AU - Obara, M.
PY - 2010
Y1 - 2010
N2 - We report on the tuneabilities of Anderson localized light in random scattering systems and its lasing characteristics. By use of FDTD method, we investigated the impulse response of two-dimensional scattering systems consisting of closely packed dielectric particles, and analyzed the localized modes. We revealed the frequencies of the localized modes to be capable of being tuned by changing the structural parameters of the system: diameter, filling factor, and refractive index of the particles. It was also found to be able to tune the Q (quality) factors of the localized modes by changing the system size of the entire medium. Furthermore, by combining Maxwell's equations with rate equations for electron's system, we also theoretically demonstrate how the localized area serves as a laser "resonator" and random lasing is induced.
AB - We report on the tuneabilities of Anderson localized light in random scattering systems and its lasing characteristics. By use of FDTD method, we investigated the impulse response of two-dimensional scattering systems consisting of closely packed dielectric particles, and analyzed the localized modes. We revealed the frequencies of the localized modes to be capable of being tuned by changing the structural parameters of the system: diameter, filling factor, and refractive index of the particles. It was also found to be able to tune the Q (quality) factors of the localized modes by changing the system size of the entire medium. Furthermore, by combining Maxwell's equations with rate equations for electron's system, we also theoretically demonstrate how the localized area serves as a laser "resonator" and random lasing is induced.
KW - Anderson localization
KW - FDTD
KW - random lasing, scattering
UR - http://www.scopus.com/inward/record.url?scp=79953238885&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=79953238885&partnerID=8YFLogxK
U2 - 10.1117/12.880941
DO - 10.1117/12.880941
M3 - Conference contribution
AN - SCOPUS:79953238885
SN - 9780819482426
T3 - Proceedings of SPIE - The International Society for Optical Engineering
BT - XVIII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
T2 - 18th International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
Y2 - 30 August 2010 through 3 September 2010
ER -