Laser Frequency Combs: Graphene‐Coupled Terahertz Semiconductor Lasers for Enhanced Passive Frequency Comb Operation (Adv. Sci. 20/2019)
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Science"
DOI: 10.1002/advs.201970120
Abstract: In article number https://doi.org/10.1002/advs.201900460, Hua Li, Juncheng Cao, Kai Zhang, Heping Zeng, and co‐workers report a graphene‐based approach for enhanced passive frequency comb operation and pulse generation in terahertz semiconductor lasers. The saturable absorption and… read more here.
Keywords: frequency; enhanced passive; frequency comb; comb operation ... See more keywords
Pump condition dependent Kerr frequency comb generation in mid-infrared
Sign Up to like & getrecommendations! Published in 2019 at "Results in physics"
DOI: 10.1016/j.rinp.2019.102789
Abstract: Abstract We propose and simulate the mid-infrared (MIR) frequency comb generation based on the Kerr nonlinear effect in a silicon microring resonator (MRR). The MRR is formed by the suspended ridge waveguides which are designed… read more here.
Keywords: pump; frequency; frequency comb; comb generation ... See more keywords
Joint Experimental and Computational Characterization of Sum-Frequency Generation between a Continuous Wave Laser and an Ultrafast Frequency Comb Laser for Tunable Laser Development
Sign Up to like & getrecommendations! Published in 2025 at "ACS Photonics"
DOI: 10.1021/acsphotonics.4c01783
Abstract: Ultrafast optical frequency combs allow for both high spectral and temporal resolution in molecular spectroscopy and have become a powerful tool in many areas of chemistry and physics. Ultrafast lasers and frequency combs generated from… read more here.
Keywords: continuous wave; frequency comb; sum frequency; wave laser ... See more keywords
High Dynamic Range, Heterogeneous, Terahertz Quantum Cascade Lasers Featuring Thermally Tunable Frequency Comb Operation over a Broad Current Range
Sign Up to like & getrecommendations! Published in 2018 at "ACS Photonics"
DOI: 10.1021/acsphotonics.8b01483
Abstract: We report on the engineering of broadband quantum cascade lasers (QCLs) emitting at Terahertz (THz) frequencies, which exploit a heterogeneous active region scheme and have a current density dynamic range (Jdr) of 3.2, significantly larger… read more here.
Keywords: frequency comb; quantum cascade; dynamic range; range ... See more keywords
Near-Infrared Off-Axis Cavity-Enhanced Optical Frequency Comb Spectroscopy for CO2/CO Dual-Gas Detection Assisted by Machine Learning.
Sign Up to like & getrecommendations! Published in 2024 at "ACS sensors"
DOI: 10.1021/acssensors.3c02146
Abstract: Cavity-enhanced direct frequency comb spectroscopy (CE-DFCS) is widely used as a highly sensitive gas sensing technology in various gas detection fields. For the on-axis coupling incidence scheme, the detection accuracy and stability are seriously affected… read more here.
Keywords: detection; spectroscopy; frequency comb; cavity ... See more keywords
Single ion fluorescence excited with a single mode of an UV frequency comb
Sign Up to like & getrecommendations! Published in 2017 at "Nature Communications"
DOI: 10.1038/s41467-017-00067-9
Abstract: Optical frequency combs have revolutionized the measurement of optical frequencies and improved the precision of spectroscopic experiments. Besides their importance as a frequency-measuring ruler, the frequency combs themselves can excite target transitions (direct frequency comb… read more here.
Keywords: direct frequency; frequency; spectroscopy; frequency comb ... See more keywords
Room temperature terahertz semiconductor frequency comb
Sign Up to like & getrecommendations! Published in 2019 at "Nature Communications"
DOI: 10.1038/s41467-019-10395-7
Abstract: A terahertz (THz) frequency comb capable of high-resolution measurement will significantly advance THz technology application in spectroscopy, metrology and sensing. The recently developed cryogenic-cooled THz quantum cascade laser (QCL) comb has exhibited great potentials with… read more here.
Keywords: thz; room temperature; spectroscopy; frequency comb ... See more keywords
Multichannel, ultra-wideband Rydberg electrometry with an optical frequency comb.
Sign Up to like & getrecommendations! Published in 2024 at "Nature communications"
DOI: 10.1038/s41467-025-64439-2
Abstract: While Rydberg atoms have shown tremendous potential to serve as accurate and sensitive detectors of microwaves and millimeter waves, their response is generally limited to a single, narrow frequency band around a chosen transition. As… read more here.
Keywords: rydberg; optical frequency; frequency comb; electrometry ... See more keywords
A six-octave optical frequency comb from a scalable few-cycle erbium fibre laser
Sign Up to like & getrecommendations! Published in 2020 at "Nature Photonics"
DOI: 10.1038/s41566-021-00778-y
Abstract: A compact and robust coherent laser light source that provides spectral coverage from the ultraviolet to infrared is desirable for numerous applications, including heterodyne super resolution imaging[1], broadband infrared microscopy[2], protein structure determination[3], and standoff… read more here.
Keywords: microscopy; comb; spectroscopy; frequency comb ... See more keywords
Optical frequency comb generation in phase-locked random lasers using MAPbI3 nanocrystals
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Materials Chemistry C"
DOI: 10.1039/d5tc03011k
Abstract: Optical frequency-comb (OFC) generation supplies an important tool for absolute optical frequency measurement, precision spectroscopy, quantum manipulation, and remote signal clock synchronization. Third-order optical nonlinear interaction between light waves and... read more here.
Keywords: optical frequency; comb generation; frequency comb; frequency ... See more keywords
Realisation of the metre by using a femtosecond laser frequency comb: applications in optical frequency metrology
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Metrology and Quality Engineering"
DOI: 10.1051/ijmqe/2017008
Abstract: The appearance of the frequency comb technology, awarded the Nobel Prize in Physics 2005, has enormously revolutionized the metrology of optical frequencies, eliminating the need for complicated frequency chains. By direct linking to the unit… read more here.
Keywords: frequency; laser frequency; using femtosecond; frequency comb ... See more keywords