10. Optronics Laboratory
Director: Prof. Masaaki IMAI
Research Assoc. Shinya SATO
E-mail: mimai@mmm.muroran-it.ac.jp
URL: http://www.elec.muroran-it.ac.jp/labs/densi/optro/optics.html
Research Areas: Optoelectronics, Optical fiber engineering, Laser and photonics technology
Current Research:
•Nonlinear optical phenomena such as four-wave mixing (FWM) and cross-phase modulation (XPM) in an optical fiber and its application to measurement of fiber parameters
•Supercontinuum (SC) spectrum generation in a tapered fiber with small waist diameters and a dispersion-flattened / dispersion-decreasing fiber with low birefringence
•Fabrication of a fiber Bragg grating coupler (FGC) and the experiment of all-optical switching, optical sensing and acousto-optic interaction in a fiber Bragg grating (FBG) and FGC
•Nonlinear optical measurements of a directional fiber coupler using an optical parametric oscillator (OPO) and a mode-locked Ti:sapphire laser as ultra-short optical source
•Distributed chromatic dispersion measurement in optical fibers and concatenated optical transmission systems for fiber dispersion management by a bidirectional optical time domain reflectometer (OTDR)
•Ar-ion SHG deep UV laser (LEXEL LASER, 95-SHG-257S)
•Femtosecond fiber laser (Pritel, Inc., PFL-1) with Erbium-doped fiber amplifier (Pritel, Inc., FA-15)
•Tunable light source, 1525~1630nm (ADVANTEST, Q8155A)
•Femtosecond Ti:sapphire laser (AVESTA, TiF-100)
•Ar-ion laser system(NEC, GLG3680S+GLS3480)
•Optical spectrum analyzer (ADVANTEST, Q8384)
•Nd:YAG laser (QUANTRONIX, 114F-O/QS-5.5)
•Optical time domain reflectometer (ANRITSU, MW9076D1)
•Sampling oscilloscope (IWATSU, SH-601B) with 40GHz sampling head (IWATSU, SH-6)
•Digital oscilloscope (LeCroy, 9361type: 300MHz, 2.5GS/s)
•FFT analyzer (IWATSU, SM-2701S: DC~100kHz)
•Computer-controlled optical-fiber directional coupler manufacturing equipment (with heating, fusion and elongation method)
•High vacuum evaporation system for depositing cylindrical coaxial-metallic electrodes in copolymer-coated optical fiber (ULVAC, EBH-6 with rotating optical fiber)