8 September 2004 External-cavity actively mode-locked GCSEL (grating coupled surface emitting laser) and amplification characteristics of GCSOA (grating coupled surface emitting semiconductor optical amplifier)
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Abstract
We demonstrate an external cavity, active mode-locked GCSEL. The optical pulse duration from the actively mode-locked oscillator is 22.6ps and a 3 dB optical spectrum bandwidth is 0.07nm at 976nm. The average power from the oscillator is 0.72mW and its peak power is 108mW. The amplification characteristics of a GCSOA, optically injected with a continuously operated external cavity GCSEL, are also demonstrated. Despite the observation of lasing from the device, injection locking can be performed using an external source. At 4A peak current injection, 375mW output is achieved with 12mW injection.
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Kyungbum Kim, Shinwook Lee, Oleg Smolski, Peter J. Delfyett, "External-cavity actively mode-locked GCSEL (grating coupled surface emitting laser) and amplification characteristics of GCSOA (grating coupled surface emitting semiconductor optical amplifier)", Proc. SPIE 5413, Laser Systems Technology II, (8 September 2004); doi: 10.1117/12.542314; https://doi.org/10.1117/12.542314
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