Optical frequency comb generation based on erbium fiber lasers
Optical frequency combs have revolutionized optical frequency metrology and are being
actively investigated in a number of applications outside of pure optical frequency metrology …
actively investigated in a number of applications outside of pure optical frequency metrology …
Ultra-narrow linewidth, stable and tunable laser source for optical communication systems and spectroscopy
A novel ultra-narrow linewidth, stable and tunable single-line laser source is demonstrated
and experimentally performed. The single spectral line laser is achieved by selecting and …
and experimentally performed. The single spectral line laser is achieved by selecting and …
Recent advances, applications, and perspectives in erbium-doped fiber combs
P Yan, W Xu, H Hu, Z Zhang, Z Li, R Shu - Photonics, 2024 - mdpi.com
Optical frequency combs have emerged as a new generation of metrological tools, driving
advancements in various fields such as free-space two-way time–frequency transfer, low …
advancements in various fields such as free-space two-way time–frequency transfer, low …
Low noise frequency comb carriers for 64-QAM via a Brillouin comb amplifier
Optical frequency comb lines with poor carrier to noise ratio (CNR) are significantly
improved by Brillouin amplification using its extreme narrow bandwidth gain to suppress out …
improved by Brillouin amplification using its extreme narrow bandwidth gain to suppress out …
Highly discriminative amplification of a single frequency comb line
Y **ong, J Zhou, X Cao, S Cui… - Laser & Photonics …, 2024 - Wiley Online Library
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 …
the extraction and amplification of a single OFC line is required for many high‐precision …
Precise selection and amplification of a single comb line from femtosecond mode-locked lasers
S Yao, Y Xu, M Zhang, X Yan, H Bao - Optics Letters, 2024 - opg.optica.org
We propose and demonstrate a novel, to the best of our knowledge, scheme for extracting
and amplifying a single comb line with a high signal-to-noise ratio (SNR) from a …
and amplifying a single comb line with a high signal-to-noise ratio (SNR) from a …
Optical frequency transfer via a 660 km underground fiber link using a remote Brillouin amplifier
SMF Raupach, A Koczwara, G Grosche - Optics Express, 2014 - opg.optica.org
In long-distance, optical continuous-wave frequency transfer via fiber, remote bidirectional
Er^ 3+-doped fiber amplifiers are commonly used to mitigate signal attenuation. We …
Er^ 3+-doped fiber amplifiers are commonly used to mitigate signal attenuation. We …
Enhanced carrier to noise ratio by Brillouin amplification for optical communications
The limits of narrowband Brillouin gain for improving the carrier to noise ratio (CNR) of
spectral lines is evaluated for 64-QAM communications. Calculations of the change in CNR …
spectral lines is evaluated for 64-QAM communications. Calculations of the change in CNR …
Chirped frequency transfer: a tool for synchronization and time transfer
SMF Raupach, G Grosche - IEEE Transactions on Ultrasonics …, 2014 - ieeexplore.ieee.org
We propose and demonstrate the phase-stabilized transfer of a chirped frequency as a tool
for synchronization and time transfer. Technically, this is done by evaluating remote …
for synchronization and time transfer. Technically, this is done by evaluating remote …
Brillouin amplifier noise characterization by a coherent receiver and digital signal processing
Brillouin amplification of a CW laser is evaluated by a coherent receiver and offline digital
signal processing (DSP) to assess electric field distortions relevant to noise sensitive …
signal processing (DSP) to assess electric field distortions relevant to noise sensitive …