Self-Injection Locking of a Gain-Switched Laser Diode

@article{Shitikov2021SelfInjectionLO,
  title={Self-Injection Locking of a Gain-Switched Laser Diode},
  author={Artem E. Shitikov and Valery E. Lobanov and Nikita M. Kondratiev and Andrey S. Voloshin and Evgeny A. Lonshakov and Igor A Bilenko},
  journal={Physical Review Applied},
  year={2021}
}
We experimentally observed self-injection locking regime of the gain-switched laser to high-Q optical microresonator. We revealed that comb generated by the gain-switched laser experiences a dramatic reduce of comb teeth linewidths in this regime. We demonstrated the Lorentzian linewidth of the comb teeth of sub-kHz scale as narrow as for non-switched self-injection locked laser. Such setup allows generation of high-contrast electrically-tunable optical frequency combs with tunable comb line… 
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References

SHOWING 1-10 OF 54 REFERENCES

Optical Frequency Microcomb Distillation for Super Channel Data Transmission

TLDR
It is found that noise-corrupted comb lines can reduce the optical signal-to-noise ratio required for the comb by ~ 9 dB when used as optical carriers at the transmitter side, and by ~ 12 dB when using as a local oscillator at the receiver side.

Dynamics of soliton self-injection locking in optical microresonators

TLDR
It is revealed that the soliton formation is feasible with detunings unreachable according to previous theories, providing the guidelines to build electrically driven integrated microcomb devices that employ full control of the rich dynamics of laser self-injection locking, key for future deployment of microcombs for system applications.

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

TLDR
It was 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 and the parameter range providing platicon excitation was found.

Microresonator and Laser Parameter Definition via Self-Injection Locking

Self-injection locking to a high-quality-factor microresonator is a key component of various up-to-date photonic applications, including compact narrow-linewidth lasers and microcomb sources. For

Generation and properties of dissipative Kerr solitons and platicons in optical microresonators with backscattering.

TLDR
It is shown that while the impact of the nonlinear coupling on the generation of the bright solitons is rather weak, it is significantly more pronounced for the platicon excitation process.

Gain-switched semiconductor lasers with pulsed excitation and optical injection for dual-comb spectroscopy.

TLDR
This work demonstrates the capability of two gain-switched optically injected semiconductor lasers to perform high-resolution dual-comb spectroscopy, and obtains flat-topped optical frequency combs with 350 optical lines spaced by 100 MHz that significantly improve the spectral resolution reported so far.

Hertz-linewidth semiconductor lasers using CMOS-ready ultra-high-Q microresonators

Driven by narrow-linewidth bench-top lasers, coherent optical systems spanning optical communications, metrology and sensing provide unrivalled performance. To transfer these capabilities from the

Frequency division using a soliton-injected semiconductor gain-switched frequency comb

TLDR
This work combines two compact frequency combs, namely, a soliton microcomb and a semiconductor gain-switched comb, to demonstrate low-noise microwave generation based on a novel frequency division technique.

Nonlinear Dynamics Induced by Optical Injection in Optical Frequency Combs Generated by Gain-Switching of Laser Diodes

We present experiments and numerical simulations of optical frequency combs generated by gain-switching a single mode laser diode when subject to optical injection. Our analysis focuses on the combs

Optimization of Laser Stabilization via Self-Injection Locking to a Whispering-Gallery-Mode Microresonator

Self-injection locking is a dynamic phenomenon representing stabilization of the emission frequency of an oscillator with a passive cavity enabling frequency filtered coherent feedback to the
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