Amplified spontaneous emission spectrum and gain characteristic of a two-electrode semiconductor optical amplifier

Wang Hanchao; Huang Lirong; Shi Zhongwei

doi:10.1088/1674-4926/32/6/064010

J. Semicond. > 2011, Volume 32 > Issue 6 > 064010

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Amplified spontaneous emission spectrum and gain characteristic of a two-electrode semiconductor optical amplifier

Wang Hanchao, Huang Lirong and Shi Zhongwei

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DOI: 10.1088/1674-4926/32/6/064010

Abstract: A two-electrode multi-quantum-well semiconductor optical amplifier is designed and fabricated. The amplified spontaneous emission (ASE) spectrum and gain were measured and analyzed. It is shown that the ASE spectrum and gain characteristic are greatly influenced by the distribution of the injection current density. By changing the injection current density of two electrodes, the full width at half maximum, peak wavelength, peak power of the ASE spectrum and the gain characteristic can be easily controlled.

Key words: semiconductor optical amplifier (SOA), current density, amplified spontaneous emission (ASE), gain characteristic

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Wang Hanchao, Huang Lirong, Shi Zhongwei. Amplified spontaneous emission spectrum and gain characteristic of a two-electrode semiconductor optical amplifier[J]. Journal of Semiconductors, 2011, 32(6): 064010. doi: 10.1088/1674-4926/32/6/064010

Wang H C, Huang L R, Shi Z W. Amplified spontaneous emission spectrum and gain characteristic of a two-electrode semiconductor optical amplifier[J]. J. Semicond., 2011, 32(6): 064010. doi: 10.1088/1674-4926/32/6/064010.

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Received: 18 August 2015 Revised: 23 February 2011 Online: Published: 01 June 2011

A two-electrode multi-quantum-well semiconductor optical amplifier is designed and fabricated. The amplified spontaneous emission (ASE) spectrum and gain were measured and analyzed. It is shown that the ASE spectrum and gain characteristic are greatly influenced by the distribution of the injection current density. By changing the injection current density of two electrodes, the full width at half maximum, peak wavelength, peak power of the ASE spectrum and the gain characteristic can be easily controlled.

Amplified spontaneous emission spectrum and gain characteristic of a two-electrode semiconductor optical amplifier

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Amplified spontaneous emission spectrum and gain characteristic of a two-electrode semiconductor optical amplifier

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