Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Parity–time-symmetric frequency-tunable optoelectronic oscillator with a single dual-polarization optical loop

Not Accessible

Your library or personal account may give you access

Abstract

We propose and experimentally demonstrate a parity–time (PT)-symmetric frequency-tunable optoelectronic oscillator (OEO) in which the PT symmetry is implemented based on a single dual-polarization optical loop. By employing the inherent birefringence of a z-cut lithium niobate (${{\rm LiNbO}_3}$) phase modulator (PM), two mutually coupled optoelectronic loops supporting orthogonally polarized light waves with one experiencing a gain and the other a loss are implemented. By controlling the gain, loss, and the coupling coefficients between the two loops, the PT symmetry breaking condition is met, which enables the OEO to operate in single mode without using an ultranarrow passband optical or microwave filter. The frequency tunability is realized using a microwave photonic filter (MPF) implemented using the PM and a phase-shifted fiber Bragg grating (PS-FBG). The proposed PT-symmetric OEO is experimentally evaluated. A stable and frequency-tunable microwave signal from 2 to 12 GHz is generated. The phase noise of the generated signal at 11.8 GHz is measured, which is ${-}{124}\;{\rm dBc/Hz}$ at a frequency offset of 10 kHz.

© 2020 Optical Society of America

Full Article  |  PDF Article
More Like This
Parity-time symmetric tunable OEO based on dual-wavelength and cascaded PS-FBGs in a single-loop

Pengcheng Liu, Zhanwu Xie, Dongdong Lin, Mengjia Lu, Wei Cheng, Guohua Hu, Binfeng Yun, and Yiping Cui
Opt. Express 29(22) 35377-35386 (2021)

Parity-time symmetric frequency-tunable optoelectronic oscillator based on a Si3N4 microdisk resonator

Pengcheng Liu, Pengfei Zheng, Huimin Yang, Dongdong Lin, Guohua Hu, Binfeng Yun, and Yiping Cui
Appl. Opt. 60(7) 1930-1936 (2021)

Wideband tunable optoelectronic oscillator based on a microwave photonic filter with an ultra-narrow passband

Haitao Tang, Yuan Yu, Ziwei Wang, Lu Xu, and Xinliang Zhang
Opt. Lett. 43(10) 2328-2331 (2018)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (5)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Tables (1)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (4)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Metrics

Select as filters


Select Topics Cancel
© Copyright 2022 | Optica Publishing Group. All Rights Reserved