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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Kočí, Jan | Prague |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Ali, M. A. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Guiraud, Germain
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Publications (5/5 displayed)
- 2023Low intensity noise high-power tunable fiber-based laser around 1007 nm
- 2021Low intensity noise high-power tunable fiber-based laser around 1007 nm
- 2019Low intensity noise high-power tunable fiber-based laser around 1007 nmcitations
- 2018Watt-level narrow-linewidth fibered laser source at 852 nm for FIB applicationcitations
- 2018High-power tunable low-noise coherent source at 1.06µm based on a surface-emitting semiconductor lasercitations
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article
High-power tunable low-noise coherent source at 1.06µm based on a surface-emitting semiconductor laser
Abstract
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.