(그림 3) Short Range Consumer QKD 예시
(그림 4) ETRI 무선 양자키분배 송신부 및 수신부 시스템
(그림 1) 양자암호통신 시스템 구성도
(그림 2) 인공위성 기반 대륙간 무선양자암호통신 (2018 중국)
(그림 5) 무선 양자키분배 송수신부 핵심 부품 구성도
(그림 6) 핸드헬드(hand-held) 형태의 송신기 및 수신기[14]
(그림 7) 실리콘포토닉스 기반 양자암호통신용 송신기 칩[26]
(그림 8) ETRI 실리카 도파로 집적화 칩기반 편광 모듈
(그림 9) Si-APD 기반 SPAD의 광자 검출 효율
(그림 10) InP 반도체 광회로 기반 양자 난수 생성기[34]
(그림 11) LED 출력 및 CMOS 이미지 센서 기반 양자 난수 생성기
<표 1> 무선 양자암호통신 주요 국외 기술 개발 현황
<표 2> 상용 Si-APD 기반 SPAD 모듈의 성능 비교
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