Abstract: An optical transmitter, an optical receiver, a method of operating the optical transmitter, and a method of operating the optical receiver are provided. The optical transmitter includes a light source configured to output laser light, an intensity modulator configured to provide a pulse signal with a predetermined period using the laser light, an in-phase and quadrature (I/Q) modulator configured to generate a coherent modulated signal applying an I/Q signal to the pulse signal with the predetermined period, and a polarization controller configured to delay one of polarization components forming the coherent modulated signal.

Abstract: Disclosed are an optical-time-division-multiplexed transmission method and system using a simple sinusoidally modulated optical signal as an input pulse source. An optical-time-division-multiplexed transmission system comprises: an optical-time-division-multiplexed transmitter by applying a sinusoidal electrical signal, a first multi-level electrical PAM signal, and a second multi-level electrical PAM signal so as to generate an optical-time-division-multiplexed multi-level PAM signal; an optical detector for converting the transmitted optical-time-division-multiplexed PAM signal into an electrical signal; a time-division-demultiplexer for demultiplexing the detected electrical signal into two signals; a MIMO equalizer; and two decision elements for determining the levels of two demultiplexed signals obtained from the MIMO equalizer.

Abstract: A layout design tool for generating a layout graphic based on a first input and a modification input includes a processing circuitry that generates a temporary layout in which a pattern is scripted based on the first input, and modifies the temporary layout based on the modification input to generate the layout graphic, and the processing circuitry designates a plurality of modification regions to be modified on the temporary layout based on the modification input and designates a plurality of transform regions on a background layer, the plurality of modification regions of the temporary layout, and the layout design tool generates a pattern layer by extracting the pattern group included in any one of the plurality of modification regions and generates the layout graphic by placing the pattern layer on the plurality of transform regions of the background layer.

Abstract: Proposed are an optimal operation method of a high-frequency dithering technique for compensating for interference noise in an analog optical transmission-based mobile fronthaul network, and a transmitter using same. An interference noise compensation method using high-frequency phase dithering performed in an analog optical transmission-based mobile fronthaul network may include the steps in which: a frequency-multiplexed wireless signal is converted in an optical transmitter to an intensity-modulated optical signal; and the phase of the optical signal intensity-modulated in the optical transmitter is dithered with an Orthogonal Frequency-Division Multiplexing (OFDM) signal.

Abstract: Disclosed are an optical-time-division-multiplexed transmission method and system using a simple sinusoidally modulated optical signal as an input pulse source. An optical-time-division-multiplexed transmission system comprises: an optical-time-division-multiplexed transmitter by applying a sinusoidal electrical signal, a first multi-level electrical PAM signal, and a second multi-level electrical PAM signal so as to generate an optical-time-division-multiplexed multi-level PAM signal; an optical detector for converting the transmitted optical-time-division-multiplexed PAM signal into an electrical signal; a time-division-demultiplexer for demultiplexing the detected electrical signal into two signals; a MIMO equalizer; and two decision elements for determining the levels of two demultiplexed signals obtained from the MIMO equalizer.

Abstract: An electronic device according to an example embodiment of the present disclosure includes a first substrate, a conductive layer formed on the first substrate, a first pad electrode that is electrically connected to and extends from the conductive layer, a second substrate electrically connected to the first pad electrode, and an adhesive member disposed between the first pad electrode and the second substrate. The adhesive member includes a conductive fiber sheet. The electronic device according to various embodiments of the present disclosure uses an adhesive member which includes a plurality of conductive fiber sheets and an adhesive layer having an adhesive and conductive particles. Therefore, it is possible to easily attach electronic parts at a low temperature and a low pressure and minimize damages of the pad electrode and the substrate of the electronic parts which may be caused during the adhering process.

Abstract: An electronic device according to an example embodiment of the present disclosure includes a first substrate, a conductive layer formed on the first substrate, a first pad electrode that is electrically connected to and extends from the conductive layer, a second substrate electrically connected to the first pad electrode, and an adhesive member disposed between the first pad electrode and the second substrate. The adhesive member includes a conductive fiber sheet. The electronic device according to various embodiments of the present disclosure uses an adhesive member which includes a plurality of conductive fiber sheets and an adhesive layer having an adhesive and conductive particles. Therefore, it is possible to easily attach electronic parts at a low temperature and a low pressure and minimize damages of the pad electrode and the substrate of the electronic parts which may be caused during the adhering process.

Abstract: A system and a method for inspecting misalign between a display panel and a film patterned retarder (FPR) in the stereoscopic image display separating polarized lights of a left-eye image and a right-eye image using the FPR. The system for inspecting misalign between a display panel and a film patterned retarder includes: an inspection target panel including the display panel to which the film patterned retarder adheres; a misalign inspector for imaging edge images of both sides of the inspection target panel or imaging a central image of a pixel array of the inspection target panel; and a controller for analyzing an image received from the misalign inspector to measure a misalign degree between the film patterned retarder and the display panel.