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17 Optoelectronic shutter, method of operating the same and optical apparatus including the optoelectronic shutter 9,151,711 2015-10-26 미국
16 Sensing apparatus 8,989,573 2015-03-24 미국
15 Optical modulator, methods of manufacturing and operating the same and optical apparatus including the optical modulator 8,675,272 2014-03-18 미국
14 Optoelectronic shutter, method of operating the same and optical apparatus including the optoelectronic shutter 8,581,166 2013-11-12 미국
13 Optical image modulator, optical apparatus including the same, and methods of manufacturing and operating the optical image modulator 8194303B2 2012-06-05 미국
12 All-optical CSMA/CD apparatus in base a Ethernet and the method therefor 8121476 2012-02-21 미국
11 Phase control optical delay interferometer, optical differential phase shift keying demodulator using the same, and demodulating method therefor 07844189 2010-12-30 미국
10 PHASE CONTROLLABLE OPTICAL DELAY INTERFEROMETER, OPTICAL DIFFERENTIAL PHASE SHIFT KEYING DEMODULATOR USING THE SAME, AND DEMODULATING METHOD THEREFOR 7,844,189 2010-11-30 미국
9 WDM-PON having optical source of self-injection locked Fabry-Perot laser diode 07680416 2010-03-16 미국
8 Method and apparatus for pulse-amplitude equalization of rational harmonic mode-locked optical signal 07596325 2010-01-12 미국
7 Methods and apparatus for manufacturing fiber gratings, and optical fiber having fiber gratings formed thereby 7646950B2 2010-01-12 미국
6 WDM-PON having optical source of self-injection locked Fabry-Perot laser diode 4364134 2009-08-28 일본
5 Laser linewidth measuring apparatus utilizing stimulated Brillouin scattering - 2000-01-01 일본
4 Apparatus for generating quasi equally spaced frequencies using an optical frequency shifter in a multi-channel transmission system 05784170 1998-07-21 미국
3 Laser linewidth measuring apparatus utilizing stimulated Brillouin scattering 05764359 1998-06-09 미국
2 Locking apparatus for optical frequency multiplex system 05589970 1996-12-31 미국
1 Apparatus for stabilization optical frequency - 1996-12-21 일본
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