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학술지 Controlled-NOT operation of SiN-photonic circuit using photon pairs from silicon-photonic circuit
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저자
이종무, 이욱재, 김민수, 조성완, 주정진, Gabriele Navickaite, Juan Fernandez
발행일
202204
출처
Optics Communications, v.509, pp.1-5
ISSN
0030-4018
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.optcom.2021.127863
협약과제
21JB3700, 실리콘 포토닉스 양자 얽힘 논리 회로 기술, 이종무
초록
We demonstrate controlled-NOT (CNOT) operation of a silicon nitride photonic integrated circuit using path-entangled photon pairs from a silicon-photonic integrated circuit as logical inputs. The CNOT gate is constructed by combining several silicon-nitride Mach?밵ehnder interferometers for a linear-optical quantum gate. We package each of the two photonic circuits with electrical wire bonding and optical fiber bonding for stable measurement. The logical-basis fidelity of CNOT operation is measured better than 81% for the fully packaged photonic circuits.
KSP 제안 키워드
CNOT gate, Electrical wire, Entangled photon, Fiber bonding, Optical fiber, Photonic Circuits, Silicon Nitride, Wire bonding, photon pairs, photonic integrated circuits(PICs), quantum gate
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