A Single Mode From Optical Frequency Comb With Relative Stability of 10<sup>−17</sup> Using Stimulated Brillouin Scattering

Terra, Osama

doi:10.1109/jlt.2019.2939434

Cited by 15 publications

(7 citation statements)

References 27 publications

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“…[26] PPE was subsequently applied in the following studies. [13,[27][28][29][30] Additionally, the frequency stability of the amplified comb line was compared to the origin line after the Brillouin amplification process. [28,29] They indicated that the degradation of the stability is induced by environmentally thermal and acoustic disturbance to the long SBS gain fiber, while Brillouin amplification itself does not affect the linewidth and phase condition of the selected line.…”

Section: Introductionmentioning

confidence: 99%

“…[13,[27][28][29][30] Additionally, the frequency stability of the amplified comb line was compared to the origin line after the Brillouin amplification process. [28,29] They indicated that the degradation of the stability is induced by environmentally thermal and acoustic disturbance to the long SBS gain fiber, while Brillouin amplification itself does not affect the linewidth and phase condition of the selected line. [31] In the demonstrations that applied PPE of SBS, [26][27][28][29][30] the use of non-polarization-maintaining (non-PM) fiber as the Brillouin gain medium is necessary.…”

Section: Introductionmentioning

confidence: 99%

“…[28,29] They indicated that the degradation of the stability is induced by environmentally thermal and acoustic disturbance to the long SBS gain fiber, while Brillouin amplification itself does not affect the linewidth and phase condition of the selected line. [31] In the demonstrations that applied PPE of SBS, [26][27][28][29][30] the use of non-polarization-maintaining (non-PM) fiber as the Brillouin gain medium is necessary. This technique requires polarization controllers (PCs) to adjust the states of polarization (SOPs) of the signal and pump light, and a polarizer to filter out the unwanted lines, which increase the system complexity and reduce the stability.…”

Section: Introductionmentioning

confidence: 99%

“…In the demonstrations that applied PPE of SBS, [ 26–30 ] the use of non‐polarization‐maintaining (non‐PM) fiber as the Brillouin gain medium is necessary. This technique requires polarization controllers (PCs) to adjust the states of polarization (SOPs) of the signal and pump light, and a polarizer to filter out the unwanted lines, which increase the system complexity and reduce the stability.…”

Section: Introductionmentioning

confidence: 99%

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Highly Discriminative Amplification of a Single Frequency Comb Line

Xiong,

Zhou,

Cao

et al. 2023

Laser & Photonics Reviews

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The optical power of a single line in optical frequency combs (OFCs) is inherently weak, so the extraction and amplification of a single OFC line is required for many high‐precision applications. In this work, a high gain, narrowband, and all‐polarization‐maintaining (PM) fiber Brillouin amplifier is introduced to address this issue. The use of PM fiber as the gain medium provides higher Brillouin gain and avoids polarization sensitivity to thermal and acoustic disturbance. The gain fiber is reduced to tens of meters with higher pump power, which is beneficial for the phase quality of the amplified comb line. Numerical simulations and experiments are performed to investigate the features of the Brillouin amplification process for an individual OFC line. Notably, direct generation of a Watt‐level single‐mode laser from an OFC is demonstrated, with a signal‐to‐noise‐ratio (SNR) of 47 dB and a side‐mode‐suppression‐ratio (SMSR) exceeding 60 dB, which represents the highest power, and best SNR and SMSR performance ever reported, to the best of the knowledge.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Highly Discriminative Amplification of a Single Frequency Comb Line

Xiong,

Zhou,

Cao

et al. 2023

Laser & Photonics Reviews

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show abstract

“…This means that if a beat is made between an external laser and that well-known comb mode, the frequency of the external laser could be measured precisely [8]. 2-Dimensional measurement: If a single-mode from the OFC is filtered [9], it can be used in interferometry to measure the displacement of a mirror. The mirror could be scanned over the object, which dimension needs to be measured.…”

Section: Introductionmentioning

confidence: 99%

Femtosecond Lasers for Optical Frequency Measurement

2022

Journal of Measurement Science and Applications (JMSA)

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Equidistance modes in the frequency domain can represent femtosecond laser pulses in the time domain. By stabilizing two parameters of these equidistance modes, namely, the repetition rate and the offset frequency, these modes can be called an Optical Frequency Comb (OFC). Optical frequency measurement was a complicated task before introducing the first OFC. However, the certain procedures have to be followed to assure accurate measurement, such as the determination of the mode number and the sources of uncertainty. This review article will present an overview of femtosecond lasers in the time and frequency domains. In addition, the principle of optical frequency measurement using OFCs is explained. For example, an optical frequency measurement using an OFC on the hyperfine components of the two-photon transition 5S1/2 -5D3/2 at 778 nm of a rubidium atom is demonstrated measurement and the uncertainty is calculated. Several other accurate transitions can be measured using OFC.

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Coherent Conversion Between Single‐Frequency and Ultrafast Lasers

Zhou,

Xiong,

Cheng

et al. 2024

Annalen der Physik

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Lasers with high spectral coherence are in high demand for applications requiring high precision. Single frequency (SF) and ultrafast lasers represent two types of highly coherent light sources, each with distinct time‐frequency characteristics. The advent of novel technologies based on electro‐optics and nonlinear optics has bridged the gap between these two types of lasers, enabling coherent conversion between them. This review examines several technologies that enable coherent conversion between SF and ultrafast lasers. The generation of ultrafast pulses by modulation of an SF laser, covering both electro‐optic modulation (EOM) and optic‐optic modulation (OOM) is discussed. With respect to Kerr soliton generation by SF laser‐induced parametric frequency conversion, schemes with and without resonator structure are compared and discussed. The extraction of a single comb line from an ultrafast laser using stimulated Brillouin scattering is also presented. The advent of new technologies using all‐polarization‐maintaining fiber structures has made fiber Brillouin amplification a practical and robust solution for single comb line extraction. These coherent lasers with customizable time and frequency characteristics are poised to become essential building blocks in future photonic technologies.

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A Single Mode From Optical Frequency Comb With Relative Stability of 10⁻¹⁷ Using Stimulated Brillouin Scattering

Cited by 15 publications

References 27 publications

Highly Discriminative Amplification of a Single Frequency Comb Line

Highly Discriminative Amplification of a Single Frequency Comb Line

Femtosecond Lasers for Optical Frequency Measurement

Coherent Conversion Between Single‐Frequency and Ultrafast Lasers

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A Single Mode From Optical Frequency Comb With Relative Stability of 10−17 Using Stimulated Brillouin Scattering

Cited by 15 publications

References 27 publications

Highly Discriminative Amplification of a Single Frequency Comb Line

Highly Discriminative Amplification of a Single Frequency Comb Line

Femtosecond Lasers for Optical Frequency Measurement

Coherent Conversion Between Single‐Frequency and Ultrafast Lasers

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Product

Resources

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A Single Mode From Optical Frequency Comb With Relative Stability of 10⁻¹⁷ Using Stimulated Brillouin Scattering