LIGHT MODULATION ELEMENT, BEAM STEERING DEVICE, AND ELECTRONIC DEVICE

• Main Authors: LEE DUHYUN, SHIN CHANG GYUN, JEONG BYUNG-GIL, KIM SUN-IL, PARK JUNGHYUN
• Format: Patent
• Language: English; Japanese
• Published: 07.02.2022
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; FREQUENCY-CHANGING; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; TESTING

To provide a light modulation element, beam steering device having the same, and an electronic device having the beam steering device.SOLUTION: A light modulation element is provided, comprising a first contact layer, a second contact layer, an active layer provided between the first contact layer and the second contact layer, a first contact plug provided between the first contact layer and the active layer, and a second contact plug provided between the second contact layer and the active layer, where the width of at least one of the first contact plug and the second contact plug is less than the width of the active layer.SELECTED DRAWING: Figure 1 【課題】光変調素子、それを含むビームステアリング装置、及びビームステアリング装置を含む電子装置を提供する。【解決手段】第１コンタクト層と、第２コンタクト層と、第１コンタクト層と第２コンタクト層との間に提供される活性層と、第１コンタクト層と活性層との間に提供される第１コンタクトプラグと、第２コンタクト層と活性層との間に提供される第２コンタクトプラグとを含み、第１コンタクトプラグ及び第２コンタクトプラグのうち少なくとも１つの幅は、活性層の幅よりも狭い光変調素子である。【選択図】図１