Phase noise reduction in RF oscillators utilizing self-injection locked and phase locked loop

Zhang, Li; Poddar, Ajay K.; Rohde, Ulrich L.; Daryoush, A.S.

doi:10.1109/sirf.2015.7119883

Cited by 7 publications

(4 citation statements)

References 9 publications

(9 reference statements)

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“…Compared with OIL and OPLL, OIPLL reduces the requirements for the linewidth of the main laser and the delay performance of the phase-locked loop. In addition, OIPLL can generate optical millimeter-wave signals with less phase noise [42] .…”

Section: Optical Heterodynementioning

confidence: 99%

Research progress of optical millimeter wave generation technology in RoF system

Guo¹,

Yang²,

Song³

et al. 2023

International Conference on Optoelectronic Information and Functional Materials (OIFM 2023)

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Section: Optical Heterodynementioning

confidence: 99%

Research progress of optical millimeter wave generation technology in RoF system

Guo¹,

Yang²,

Song³

et al. 2023

International Conference on Optoelectronic Information and Functional Materials (OIFM 2023)

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“…Self-injection locking is a profound phenomenon observed in oscillatory circuits. For many years this effect has been used in radiophysics, radio-engineering, and microwave electronics to improve the spectral purity of the devices [6][7][8][9][10][11][12][13][14][15][16]. It has also been widely applied for stabilizing laser sources, and has enabled various practical applications [17][18][19] including high-resolution spectroscopy and high-precision metrology.…”

Section: Introductionmentioning

confidence: 99%

Recent advances in laser self-injection locking to high-Q microresonators

et al. 2023

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The stabilization and manipulation of laser frequency by means of an external cavity are nearly ubiquitously used in fundamental research and laser applications. While most of the laser light transmits through the cavity, in the presence of some back-scattered light from the cavity to the laser, the self-injection locking effect can take place, which locks the laser emission frequency to the cavity mode of similar frequency. The self-injection locking leads to dramatic reduction of laser linewidth and noise. Using this approach, a common semiconductor laser locked to an ultrahigh-Q microresonator can obtain sub-Hertz linewidth, on par with state-of-the-art fiber lasers. Therefore it paves the way to manufacture high-performance semiconductor lasers with reduced footprint and cost. Moreover, with high laser power, the optical nonlinearity of the microresonator drastically changes the laser dynamics, offering routes for simultaneous pulse and frequency comb generation in the same microresonator. Particularly, integrated photonics technology, enabling components fabricated via semiconductor CMOS process, has brought increasing and extending interest to laser manufacturing using this method. In this article, we present a comprehensive tutorial on analytical and numerical methods of laser self-injection locking, as well a review of most recent theoretical and experimental achievements.

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“…The effect of the self-injection locking (SIL) is well-known for many years in the theory of oscillations, radiophysics and optics and is actively used for the stabilization and spectral purification of the corresponding generators [1][2][3][4][5][6]. In optics it allows to obtain sub-kHz or even sub-Hz generation linewidth using compact semiconductor lasers locked to high-Q optical microresonators [7][8][9][10][11][12][13][14], e.g.…”

Section: Introductionmentioning

confidence: 99%

Numerical study of solitonic pulse generation in the self-injection locking regime at normal and anomalous group velocity dispersion

et al. 2020

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We developed an original model describing the process of the frequency comb generation in the self-injection locking regime and performed numerical simulation of this process. Generation of the dissipative Kerr solitons in the self-injection locking regime at anomalous group velocity dispersion was studied numerically. Different regimes of the soliton excitation depending on the locking phase, backscattering parameter and pump power were identified. It was also proposed and confirmed numerically that self-injection locking may provide an easy way for the generation of the frequency combs at normal group velocity dispersion. Generation of platicons was demonstrated and studied in detail. The parameter range providing platicon excitation was found.

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Phase noise reduction in RF oscillators utilizing self-injection locked and phase locked loop

Cited by 7 publications

References 9 publications

Research progress of optical millimeter wave generation technology in RoF system

Research progress of optical millimeter wave generation technology in RoF system

Recent advances in laser self-injection locking to high-Q microresonators

Numerical study of solitonic pulse generation in the self-injection locking regime at normal and anomalous group velocity dispersion

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