Analysis of a narrowband terahertz signal generated by a unitravelling carrier photodiode coupled with a dual-mode semiconductor Fabry-Pérot laser

A narrowband terahertz signal generated by a unitravelling carrier photodiode (UTC-PD) interfaced with a dual-mode Fabry–Pérot laser diode is demonstrated. A beat tone corresponding to the free spectral range is generated on the UTC-PD, and radiated by a transverse-electromagnetic-horn antenna. A terahertz signal at a frequency of 372 GHz, featuring a linewidth of 17 MHz is recorded by a subharmonic mixer coupled to an electrical spectrum analyzer. All components involved in this experiment operate at room temperature. The linewidth and the frequency of the emitted terahertz wave are analyzed, along with their dependency on dc-bias conditions applied to laser diode.

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Sciences de l'ingénieur [physics]

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Latkowski_2010_1.3447931.pdf (451.8 Ko)

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Soumis le : vendredi 27 mai 2022-16:08:25

Dernière modification le : vendredi 26 avril 2024-03:30:07

Archivage à long terme le : lundi 3 octobre 2022-15:05:35

Dates et versions

hal-00548701 , version 1 (27-05-2022)

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HAL Id : hal-00548701 , version 1
DOI : 10.1063/1.3447931

Citer

Sylwester Latkowski, Josué Parra-Cetina, Ramon Maldonado-Basilio, Pascal Landais, Guillaume Ducournau, et al.. Analysis of a narrowband terahertz signal generated by a unitravelling carrier photodiode coupled with a dual-mode semiconductor Fabry-Pérot laser. Applied Physics Letters, 2010, 96, pp.241106-1-3. ⟨10.1063/1.3447931⟩. ⟨hal-00548701⟩

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