All-fiber-based photonic microwave generation with 10−15 frequency instability

Yifei Duan; Yafeng Huang; Yanli Li; Yating Wang; Meifeng Ye; Ming Li; Yinnan Chen; Jiaqi Zhou; Lingke Wang; Liang Liu; Tang Li

doi:10.3788/COL202220.021406

Journals >Chinese Optics Letters >Volume 20 >Issue 2 >Page 021406 > Article

Chinese Optics Letters
Vol. 20, Issue 2, 021406 (2022)

All-fiber-based photonic microwave generation with 10⁻¹⁵ frequency instability

Yifei Duan^1、2, Yafeng Huang^1、2, Yanli Li^1、2, Yating Wang^1、2, Meifeng Ye¹, Ming Li³, Yinnan Chen^1、2, Jiaqi Zhou⁴, Lingke Wang^1、**, Liang Liu¹, and Tang Li^1、*

Author Affiliations

¹Key Laboratory of Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

²University of Chinese Academy of Sciences, Beijing 100049, China

³University of Shanghai for Science and Technology, Shanghai 200093, China

⁴Shanghai Key Laboratory of Solid-State Laser and Application, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

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DOI: 10.3788/COL202220.021406 Cite this Article Set citation alerts

Yifei Duan, Yafeng Huang, Yanli Li, Yating Wang, Meifeng Ye, Ming Li, Yinnan Chen, Jiaqi Zhou, Lingke Wang, Liang Liu, Tang Li. All-fiber-based photonic microwave generation with 10⁻¹⁵ frequency instability[J]. Chinese Optics Letters, 2022, 20(2): 021406 Copy Citation Text

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Scheme of the all-fiber-based photonic microwave generation system, including narrow linewidth CW laser, fiber-based OFC, high signal-to-noise ratio photo detection unit, low-phase-noise frequency synthesizer. PZT, piezo actuator; EOM, electro-optic modulator; HNLF, highly nonlinear fiber; PPLN, periodically poled lithium niobate.

Fig. 1. Scheme of the all-fiber-based photonic microwave generation system, including narrow linewidth CW laser, fiber-based OFC, high signal-to-noise ratio photo detection unit, low-phase-noise frequency synthesizer. PZT, piezo actuator; EOM, electro-optic modulator; HNLF, highly nonlinear fiber; PPLN, periodically poled lithium niobate.

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Setup of the Er-doped mode-locked laser. WDM, wavelength division multiplexer; EDF, Er-doped fiber; DCF, dispersion compensating fiber; PS, phase shifter.

Fig. 2. Setup of the Er-doped mode-locked laser. WDM, wavelength division multiplexer; EDF, Er-doped fiber; DCF, dispersion compensating fiber; PS, phase shifter.

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Fig. 3. Measurement setup of the frequency instability and phase noise.

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Fig. 4. Frequency instability characterized by the Allan standard deviation at (a) 6.834 GHz, (b) 9.192 GHz and phase noise at (c) 6.834 GHz, (d) 9.192 GHz. Black line: ultra-stable photonic microwave. Green line: ultra-stable CW laser. Red line: the OFC and the frequency synthesizer. Blue line: the frequency synthesizer.

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