| Citation: |
Huang Lirong, Huang Dexiu, Zhang Xinliang. Optimal Design of Antireflection Coating for Flat and Wideband Incoherent Optical Sources Based on a Semiconductor Optical[J]. Journal of Semiconductors, 2006, 27(8): 1471-1475.
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Huang L R, Huang D X, Zhang X L. Optimal Design of Antireflection Coating for Flat and Wideband Incoherent Optical Sources Based on a Semiconductor Optical[J]. Chin. J. Semicond., 2006, 27(8): 1471.
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Optimal Design of Antireflection Coating for Flat and Wideband Incoherent Optical Sources Based on a Semiconductor Optical
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Abstract
The output amplified spontaneous emission (ASE) spectrum from a semiconductor optical amplifier (SOA) is studied theoretically and experimentally.The effect of facet reflectivity on the bandwidth and flatness of the ASE spectrum is investigated,and it is found that an improper antireflection coating narrows the bandwidth of the ASE spectrum.For an SOA with an active region with a wide material gain spectrum,an optimal antireflection coating helps to realize an SOA-based incoherent optical source with a high bandwidth and good flatness. -
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