March 2026

Conference Paper

Ultra-sensitive Room-temperature Mid-infrared Detector using Phononic Crystal Oscillator

By:
Xi, Zichen; Cen, Zengyu; Wang, Dongyao; Thomas, Joseph; Srijanto, Bernadeta R; Kravchenko, Ivan I; Zuo, Jiawei; Ji, Jun; Zhu, Yizheng; Yao, Yu; Shao, Linbo
Book Title:
Proceedings of CLEO: Science and Innovations 2025
Publication Date:
March 12, 2026
Conference Name:
Conference on Lasers and Electro-Optics (CLEO) 2025
Conference Location:
Long Beach, California, United States of America
Conference Sponsor:
Optical Society of Ameriaca, APS
View DOI Listing:
https://doi.org/10.1364/CLEO_SI.2025.SS181_7

Abstract

We demonstrate a mid-infrared detector using a phononic crystal resonator fabricated on 128° Y-cut bulk lithium niobate substrate, featuring an absorbed noise equivalent power of 30 pW√ Hz and a response time constant of 0.3 ms.