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首页> 外文期刊>IEEE Photonics Technology Letters >Wide-range tunable dual-wavelength semiconductor laser using asymmetric dual quantum wells
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Wide-range tunable dual-wavelength semiconductor laser using asymmetric dual quantum wells

机译:使用非对称双量子阱的宽范围可调谐双波长半导体激光器

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摘要

Using asymmetric dual quantum wells for the laser material, the semiconductor laser is able to operate at dual wavelengths with an extremely wide tuning range. The spectral spacing could be tuned to as large as 55.7 mn (25 THz). With the spectral spacing fixed, the two wavelengths could also be simultaneously tuned for a range as wide as 34.7 nm. In addition, with one wavelength fixed, the other one could be separately tuned. The experiments indicate that the two wavelengths can be almost randomly selected within a large spectral range over 30 nm.
机译:使用不对称的双量子阱作为激光材料,半导体激光器能够在具有非常宽的调谐范围的双波长下工作。频谱间隔可以调整到最大55.7百万(25 THz)。在固定光谱间距的情况下,两个波长也可以同时调谐到34.7 nm的宽范围。此外,在固定一个波长的情况下,可以分别调谐另一个波长。实验表明,在30 nm以上的大光谱范围内,几乎可以随机选择这两个波长。

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