title: On-chip microwave signal generation based on a silicon microring modulator.
abstract: A photonic-assisted microwave signal generator based on a silicon microring modulator is demonstrated. The microring cavity incorporates an embedded PN junction that enables a microwave signal to modulate the lightwave circling inside. The DC component of the modulated light is trapped in the cavity, while the high-order sideband components are able to exit the cavity and then generate microwave signals at new frequencies in a photodetector. In our proof-of-concept experiment, a 10 GHz microwave signal is converted to a 20 GHz signal in the optical domain with an electrical harmonic suppression ratio of 22 dB. An analytic model is also established to explain the operation mechanism, which agrees well with the measured data.
authors.forename: Haifeng
authors.initials: H
authors.lastname: Shao
authors.forename: Hui
authors.initials: H
authors.lastname: Yu
authors.forename: Xia
authors.initials: X
authors.lastname: Li
authors.forename: Yan
authors.initials: Y
authors.lastname: Li
authors.forename: Jianfei
authors.initials: J
authors.lastname: Jiang
authors.forename: Huan
authors.initials: H
authors.lastname: Wei
authors.forename: Gencheng
authors.initials: G
authors.lastname: Wang
authors.forename: Tingge
authors.initials: T
authors.lastname: Dai
authors.forename: Qimei
authors.initials: Q
authors.lastname: Chen
authors.forename: Jianyi
authors.initials: J
authors.lastname: Yang
authors.forename: Xiaoqing
authors.initials: X
authors.lastname: Jiang