Research Data Leeds Repository

Dataset associated with Injection locking of a terahertz quantum cascade laser to a telecommunications wavelength frequency comb.

Freeman, Joshua (2017) Dataset associated with Injection locking of a terahertz quantum cascade laser to a telecommunications wavelength frequency comb. University of Leeds. [Dataset] https://doi.org/10.5518/224

Dataset description

This archive contains the dataset associated with the publication entitled Injection locking of a terahertz quantum cascade laser to a telecommunications wavelength frequency comb. In this work we injection lock a QCL operating at 2 THz to a compact fibre-based telecommunications wavelength frequency comb, where the comb line spacing is referenced to a microwave frequency reference. This results in the QCL frequency locking to an integer harmonic of the microwave reference, and the QCL linewidth reducing to the multiplied linewidth of the microwave reference, < 100 Hz. Furthermore, we perform phase-resolved detection of the locked QCL and measure the phase noise of the locked system to be –75 dBc/Hz at 10 kHz offset from 2 THz carrier.

Keywords:	Quantum cascade laser; injection locking; photomixer; terahertz; frequency comb; telecommunications band
Subjects:	F000 - Physical sciences > F300 - Physics > F360 - Optical physics > F361 - Laser physics
Divisions:	Faculty of Engineering and Physical Sciences > School of Electronic and Electrical Engineering > Institute of Microwaves and Photonics
Related resources:	Location Type https://doi.org/10.1364/OPTICA.4.001059 Publication http://eprints.whiterose.ac.uk/120094/ Publication
License:	Creative Commons Attribution 4.0 International (CC BY 4.0)
Date deposited:	31 Jul 2017 10:31
URI:	http://archive.researchdata.leeds.ac.uk/id/eprint/232
Additional details Additional details Creators: Creators ORCID Other ID Email Primary affiliation Primary affiliation ID Primary affiliation ID type Secondary affiliation Secondary affiliation ID Secondary affiliation ID type Freeman, Joshua https://orcid.org/0000-0002-5493-6352 Type of data: Dataset Research funders: EPSRC, EC Seventh Framework Programme [FP7-IDEAS-ERC] Grant numbers: EP/J017671/1, EP/J002356/1, Framework 7 247375 Publication date: 2017 Resource language: English Metadata language: English Research project title: Locking of terahertz quantum cascade lasers. Publisher: University of Leeds Contact Email Address: j.r.freeman@leeds.ac.uk Last Modified: 06 Sep 2017 14:56

Files

Data

Figure 2 - light-current-voltage [5kB] Figure 2 - light-current-voltage [5kB] Figure 2 - light-current-voltage [5kB] Visible to: Anyone File name: Figure2_LIV.csv Content type: Data Mime-Type: text/csv License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 5kB

Figure 2 - spectrum [819kB] Figure 2 - spectrum [819kB] Figure 2 - spectrum [819kB] Visible to: Anyone File name: Figure2_spectrum.csv Content type: Data Mime-Type: text/csv License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 819kB

Figure 3 beat with emitter off [588kB] Figure 3 beat with emitter off [588kB] Figure 3 beat with emitter off [588kB] Visible to: Anyone File name: Figure3_emitterOff.csv Content type: Data Mime-Type: text/csv License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 588kB

Figure 3 beat with emitter on [588kB] Figure 3 beat with emitter on [588kB] Figure 3 beat with emitter on [588kB] Visible to: Anyone File name: Figure3_emitterON.csv Content type: Data Mime-Type: text/csv License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 588kB

Figure4_lockingRange [129B] Figure4_lockingRange [129B] Figure4_lockingRange [129B] Visible to: Anyone File name: Figure4_lockingRange.csv Content type: Data Mime-Type: text/csv License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 129B

Figure4_Noise ratio [1kB] Figure4_Noise ratio [1kB] Figure4_Noise ratio [1kB] Visible to: Anyone File name: Figure4_noiseRatio.csv Content type: Data Mime-Type: text/csv License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 1kB

Figure5 ampPhase_24nW [2kB] Figure5 ampPhase_24nW [2kB] Figure5 ampPhase_24nW [2kB] Visible to: Anyone File name: Figure5_ampPhase_24nW.csv Content type: Data Mime-Type: text/csv License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 2kB

Figure5 ampPhase_81nW [2kB] Figure5 ampPhase_81nW [2kB] Figure5 ampPhase_81nW [2kB] Visible to: Anyone File name: Figure5_ampPhase_24nW.csv Content type: Data Mime-Type: text/csv License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 2kB

Figure5 electric field inset [1kB] Figure5 electric field inset [1kB] Figure5 electric field inset [1kB] Visible to: Anyone File name: Figure5_efield_inset.csv Content type: Data Mime-Type: text/csv License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 1kB

Figure6 spectrum, inset [3kB] Figure6 spectrum, inset [3kB] Figure6 spectrum, inset [3kB] Visible to: Anyone File name: Figure6_inset_spectrum.csv Content type: Data Mime-Type: text/csv License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 3kB

Figure6_phaseNoise [257kB] Figure6_phaseNoise [257kB] Figure6_phaseNoise [257kB] Visible to: Anyone File name: Figure6_phaseNoise.csv Content type: Data Mime-Type: text/csv License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 257kB

Figure6_phaseNoise Low bandwidth [1MB] Figure6_phaseNoise Low bandwidth [1MB] Figure6_phaseNoise Low bandwidth [1MB] Visible to: Anyone File name: Figure6_phaseNoiseLBW.csv Content type: Data Mime-Type: text/csv License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 1MB