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BANANEJ, A., Li, C. F., XU, G. M.. (1383). RING RESONATOR COUPLED M-Z ALL-OPTICAL SWITCH BY USING A PUMPED NONLINEAR DIRECTIONAL COUPLER. , 28(2), 205-210. doi: 10.22099/ijsts.2004.2851
A. BANANEJ; C. F. Li; G. M. XU. "RING RESONATOR COUPLED M-Z ALL-OPTICAL SWITCH BY USING A PUMPED NONLINEAR DIRECTIONAL COUPLER". , 28, 2, 1383, 205-210. doi: 10.22099/ijsts.2004.2851
BANANEJ, A., Li, C. F., XU, G. M.. (1383). 'RING RESONATOR COUPLED M-Z ALL-OPTICAL SWITCH BY USING A PUMPED NONLINEAR DIRECTIONAL COUPLER', , 28(2), pp. 205-210. doi: 10.22099/ijsts.2004.2851
BANANEJ, A., Li, C. F., XU, G. M.. RING RESONATOR COUPLED M-Z ALL-OPTICAL SWITCH BY USING A PUMPED NONLINEAR DIRECTIONAL COUPLER. , 1383; 28(2): 205-210. doi: 10.22099/ijsts.2004.2851

RING RESONATOR COUPLED M-Z ALL-OPTICAL SWITCH BY USING A PUMPED NONLINEAR DIRECTIONAL COUPLER

Iranian Journal of Science
مقاله 2، دوره 28، شماره 2، اسفند 2004، صفحه 205-210    اصل مقاله (185.73 K)
نوع مقاله: Regular Paper
شناسه دیجیتال (DOI): 10.22099/ijsts.2004.2851
نویسندگان
A. BANANEJ* 1؛ C. F. Li2؛ G. M. XU2
1Institute of Modern Optics, Department of Physics, Harbin Institute of Technology Harbin 150001, China
2Institute of Modern Optics, Department of Physics, Harbin Institute of Technology
چکیده
We propose a new ring resonator side-coupled M-Z interferometer all-optical switch through
the pumped nonlinear directional coupler. By controlling pump power P to lead the coupler reflectivity
r approaching to 1, the resonator finesse will be enhanced dramatically, and then the minimum
switching power in silica-based practice devices can be obtained. As a sample, we use a nonlinear
coupler made by two erbium-doped fibers, and launch a 514.5nm-pump light into one of the cores to
make the reflective- index difference between two cores. Based on the asymmetric-coupler theory, we
simulate the relationship between r and P , and show that the required pump power is only 0.8mW
for r →1 .
کلیدواژه‌ها
All optical switches؛ Mach-Zehnder interferometer؛ switching power؛ ring resonator؛ directional coupler؛ Erbium-doped fiber؛ nonlinear refractive index
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