Ultra-efficient frequency conversion in quasi-phase-matched lithium niobate microrings

• DOI: 10.1364/optica.6.001244
• Publication Date: 2019-09-18T16:55:32Z
• Authors: Jia-Yang Chen; Zhao-Hui Ma; Yong Meng Sua; Zhan Li; Chao Tang; Yu-Ping Huang
• Keywords: 0103 physical sciences; 7. Clean energy; 01 natural sciences

We demonstrate quasi-phase-matched frequency conversion in a chip-integrated lithium niobate microring resonator, whose normalized efficiency reaches 230,000%/W or 10−6 per single photon.