CHOMET, Baptiste; ZHAO, Jian; FERRIERES, Laurence; MYARA, Mikhaël; GUIRAUD, Germain; BEAUDOIN, Gregoire; LECOCQ, Vincent; SAGNES, Isabelle; TRAYNOR, Nicholas; SANTARELLI, Giorgio; DENET, Stephane; GARNACHE, Arnaud

doi:10.1364/AO.57.005224

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CHOMET, Baptiste
Institut d’Electronique et des Systèmes [IES]
Térahertz, hyperfréquence et optique [TéHO]

ZHAO, Jian
Laboratoire Photonique, Numérique et Nanosciences [LP2N]

FERRIERES, Laurence
INNOPTICS

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Applied optics. 2018

Optical Society of America

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2018

Résumé en anglais

Exploiting III-V semiconductor technologies, vertical external-cavity surface-emitting laser (VECSEL) technology has been identified for years as a good candidate to develop lasers with high power, large coherence and broad tunability. Combined with fiber amplification technology, tunable single-frequency lasers can be flexibly boosted to a power level of several tens of watts. Here, we demonstrate a high power, single frequency and broadly tunable laser based on VECSEL technology. This device emits in the near-infrared around 1.06 µm and exhibits high output power (>100 mW) with a low-divergence diffraction-limited TEM00 beam. It also features a narrow free-running linewidth of < 400 kHz, with high spectral purity (SMSR >55 dB), and continuous broadband tunability greater than 250 GHz (< 15 V piezo voltage, 6 kHz cutoff frequency) with a total tunable range up to 3 THz. In addition, a compact design without any movable intracavity elements offers a robust single-frequency regime. Through fiber amplification, a tunable single-frequency laser is achieved at an output power of 50 W covering the wavelength range from 1057 nm to 1066 nm. Excess intensity noise brought on by the amplification stage is in good agreement with a theoretical model. A low relative intensity noise (RIN) value of-145 dBc/Hz is obtained at 1 MHz and we reach the shot-noise limit above 200 MHz.< Réduire

Mots clés en anglais

(0602320) Fiber optics amplifiers and oscillators

OCIS codes: (1407260) Vertical cavity surface emitting lasers

(0603510) Lasers

(1403070) Infrared and far-infrared lasers

fiber

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High-power tunable low-noise coherent source at 1.06µm based on a surface-emitting semiconductor laser

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