Terahertz wave generation from a dc-biased multimode laser

Sylwester Latkowski; Frederic Surre; Pascal Landais

doi:10.1063/1.2884525

Terahertz wave generation from a dc-biased multimode laser

Sylwester Latkowski, Frederic Surre, Pascal Landais

Research output: Contribution to journal › Article › Academic › peer-review

19 Citations (Scopus)

Abstract

We present results achieved in the generation of terahertz wave by a semiconductor laser. It is a Fabry-Ṕrot based device with shallow grooves implemented on its p -side to engineer the longitudinal mode spectrum. The laser is dc-biased and temperature controlled at 298 K. The main two modes are separated by 3 nm at 1550 nm with a side-mode-suppression ratio of 25 dB. Using a frequency resolved optical gating, evidence of mode beating at 373 GHz is observed. With a bolometer interfaced to a Fourier transform interferometer, the second harmonic signal is measured at 690 GHz.

Original language	English
Article number	081109
Number of pages	3
Journal	Applied Physics Letters
Volume	92
Issue number	8
DOIs	https://doi.org/10.1063/1.2884525
Publication status	Published - 25 Feb 2008
Externally published	Yes

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10.1063/1.2884525

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Cite this

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