FMCW light source with a feedback optical phase-locked loop

Yuyao Zeng; Tianxin Yang; Chenyue Zhang; Jiewei Yang; Jiakang Li; Zhaoying Wang; Dongfang Jia; Chunfeng Ge

doi:10.1117/12.3001264

11 March 2024 FMCW light source with a feedback optical phase-locked loop

Yuyao Zeng, Tianxin Yang, Chenyue Zhang, Jiewei Yang, Jiakang Li, Zhaoying Wang, Dongfang Jia, Chunfeng Ge

Proceedings Volume 12885, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XVII; 1288511 (2024) https://doi.org/10.1117/12.3001264
Event: SPIE OPTO, 2024, San Francisco, California, United States

Conference Poster

Abstract

A scheme of frequency linearly swept light source with a feedback phase-locked loop is proposed and demonstrated, which the stability can be significantly improved. By applying the pre-distortion method, the offset phase lock servo generates a control signal to feedback the loop and adjust the frequency of semiconductor laser source, and the frequency-swept signal can be produced. By adjusting the parameters of the offset phase lock servo, a linearly swept light source is achieved with low-frequency noise and improved robustness. In the experiment, a microwave signals with a sweep excursion of 4 GHz and phase noise of 4.6557*10^-7 rad²/Hz at 1 kHz have been successfully generated.

Citation Download Citation

Yuyao Zeng, Tianxin Yang, Chenyue Zhang, Jiewei Yang, Jiakang Li, Zhaoying Wang, Dongfang Jia, and Chunfeng Ge "FMCW light source with a feedback optical phase-locked loop", Proc. SPIE 12885, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XVII, 1288511 (11 March 2024); https://doi.org/10.1117/12.3001264

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available