Design and analysis of Pound-Drever-Hall-based free-space and fiber-based frequency discriminators: A comparison

Zhenxu Bai; Menghan Tian; Duo Jin; Wenqiang Fan; Yaoyao Qi; Jie Ding; Bingzheng Yan; Yi Wu; Yulei Wang; Zhiwei Lu; Richard P. Mildren

doi:10.1016/j.infrared.2022.104219

Design and analysis of Pound-Drever-Hall-based free-space and fiber-based frequency discriminators: A comparison

Zhenxu Bai^*, Menghan Tian, Duo Jin, Wenqiang Fan, Yaoyao Qi, Jie Ding, Bingzheng Yan, Yi Wu, Yulei Wang, Zhiwei Lu, Richard P. Mildren

^*Corresponding author for this work

MQ Photonics Research Centre

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Lasers with high coherence and low frequency and amplitude noise are essential for applications requiring high-precision measurement. Laser frequency stabilization is therefore a critical component of lasers used in these applications. In this work, we investigate the frequency stability characteristics of a laser system utilizing Pound-Drever-Hall (PDH) frequency locking and two different frequency discrimination systems, one based on a free-space Fabry-Pérot (F-P) cavity and another based on fiber Bragg gratings (FBGs). The result shows that F-P-based systems offer better performance than FBG-based systems, with each system showing frequency drifts of 83 MHz and 197 MHz respectively over a period of 30 min. The advantages and limitations of both approaches are discussed.

Original language	English
Article number	104219
Pages (from-to)	1-5
Number of pages	5
Journal	Infrared Physics and Technology
Volume	124
DOIs	https://doi.org/10.1016/j.infrared.2022.104219
Publication status	Published - Aug 2022

Keywords

Fabry-Pérot
Fiber Bragg grating
Frequency discriminator
Frequency stabilization
Pound-Drever-Hall

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10.1016/j.infrared.2022.104219

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title = "Design and analysis of Pound-Drever-Hall-based free-space and fiber-based frequency discriminators: A comparison",

abstract = "Lasers with high coherence and low frequency and amplitude noise are essential for applications requiring high-precision measurement. Laser frequency stabilization is therefore a critical component of lasers used in these applications. In this work, we investigate the frequency stability characteristics of a laser system utilizing Pound-Drever-Hall (PDH) frequency locking and two different frequency discrimination systems, one based on a free-space Fabry-P{\'e}rot (F-P) cavity and another based on fiber Bragg gratings (FBGs). The result shows that F-P-based systems offer better performance than FBG-based systems, with each system showing frequency drifts of 83 MHz and 197 MHz respectively over a period of 30 min. The advantages and limitations of both approaches are discussed.",

keywords = "Fabry-P{\'e}rot, Fiber Bragg grating, Frequency discriminator, Frequency stabilization, Pound-Drever-Hall",

author = "Zhenxu Bai and Menghan Tian and Duo Jin and Wenqiang Fan and Yaoyao Qi and Jie Ding and Bingzheng Yan and Yi Wu and Yulei Wang and Zhiwei Lu and Mildren, {Richard P.}",

year = "2022",

month = aug,

doi = "10.1016/j.infrared.2022.104219",

language = "English",

volume = "124",

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journal = "Infrared Physics and Technology",

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T1 - Design and analysis of Pound-Drever-Hall-based free-space and fiber-based frequency discriminators

T2 - A comparison

AU - Bai, Zhenxu

AU - Tian, Menghan

AU - Jin, Duo

AU - Fan, Wenqiang

AU - Qi, Yaoyao

AU - Ding, Jie

AU - Yan, Bingzheng

AU - Wu, Yi

AU - Wang, Yulei

AU - Lu, Zhiwei

AU - Mildren, Richard P.

PY - 2022/8

Y1 - 2022/8

N2 - Lasers with high coherence and low frequency and amplitude noise are essential for applications requiring high-precision measurement. Laser frequency stabilization is therefore a critical component of lasers used in these applications. In this work, we investigate the frequency stability characteristics of a laser system utilizing Pound-Drever-Hall (PDH) frequency locking and two different frequency discrimination systems, one based on a free-space Fabry-Pérot (F-P) cavity and another based on fiber Bragg gratings (FBGs). The result shows that F-P-based systems offer better performance than FBG-based systems, with each system showing frequency drifts of 83 MHz and 197 MHz respectively over a period of 30 min. The advantages and limitations of both approaches are discussed.

AB - Lasers with high coherence and low frequency and amplitude noise are essential for applications requiring high-precision measurement. Laser frequency stabilization is therefore a critical component of lasers used in these applications. In this work, we investigate the frequency stability characteristics of a laser system utilizing Pound-Drever-Hall (PDH) frequency locking and two different frequency discrimination systems, one based on a free-space Fabry-Pérot (F-P) cavity and another based on fiber Bragg gratings (FBGs). The result shows that F-P-based systems offer better performance than FBG-based systems, with each system showing frequency drifts of 83 MHz and 197 MHz respectively over a period of 30 min. The advantages and limitations of both approaches are discussed.

KW - Fabry-Pérot

KW - Fiber Bragg grating

KW - Frequency discriminator

KW - Frequency stabilization

KW - Pound-Drever-Hall

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DO - 10.1016/j.infrared.2022.104219

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SN - 1350-4495

VL - 124

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JO - Infrared Physics and Technology

JF - Infrared Physics and Technology

M1 - 104219

ER -

Design and analysis of Pound-Drever-Hall-based free-space and fiber-based frequency discriminators: A comparison

Abstract

Keywords

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