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Registered BEATING SIGNAL MONITORING MODULE, TERAHERTZ WAVE GENERATION DEVICE AND OPTICAL SIGNAL MONITORING DEVICE INCLUDING THE BEATING SIGNAL MONITORING MODULE
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BEATING SIGNAL MONITORING MODULE, TERAHERTZ WAVE GENERATION DEVICE AND OPTICAL SIGNAL MONITORING DEVICE INCLUDING THE BEATING SIGNAL MONITORING MODULE
- Inventors
- Namje Kim, Han Sang-Pil, Park Kyung Hyun, Han-Cheol Ryu, Hyunsung Ko, Jeong Woo Park
- Application No.
- 14023257 (2013.09.10)
- Publication No.
- 20140175306 (2014.06.26)
- Registration No.
- 9410851 (2016.08.09)
- Country
- UNITED STATES
- Abstract
- The inventive concept relates to a beating signal monitoring module and a terahertz wave generation device and an optical signal monitoring device that including the beating signal monitoring module. The beating signal monitoring module includes a nonlinear unit generating an optical signal including a FWM light in response to a beating signal generated from a first light and a second light; a filter unit separating the FWM light from the optical signal and outputting the separated FWM light; and a monitoring unit monitoring the beating signal using the separated FWM light. The beating signal monitoring module and a terahertz wave generation device and an optical signal monitoring device that including the beating signal monitoring module can effectively monitor a beating signal being generated by two lasers using a Four Wave Mixing signal.