Yuanlei Wang

Abstract The drive to miniaturize optical frequency combs for practical deployment has spotlighted microresonator solitons as a promising chip-scale candidate. However, these soliton microcombs could be very power-hungry when their span increases, especially with fine comb spacings. As a result, realizing an octave-spanning comb at microwave repetition rates for direct optical-microwave linkage is considered not possible for photonic integration due to the high power requirements.

Abstract Ultrasonic sensors are widely used for object detection and localization in underwater and biological settings. The operational range and spatial resolution are inherently limited by sensor sensitivity, in which conventional piezoelectric transducers have been overwhelmed by advanced photonic sensors. Here, we demonstrate an optomechanical ultrasonic sensor integrated into a photonic platform, which comprises a suspended SiO2 membrane embedded with a high-Q Si3N4 microring resonator.

EO reported on July 2 that Shaanxi Photonics Pioneer Institute Technology Co., Ltd. (光电子先导院) has completed a new funding round, bringing in strategic investment from the Xi’an State-Owned Enterprise Reform Fund (西安综改基金), CDB Sci-Tech Venture Capital (国开科创), and CAS Star (中科创星).