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VCSEL Injection locking is demonstrated to increase laser bandwidth and reduce non-linearity and chirp.All these properties enhance analog and digital modulation performance. 相似文献
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Slow light in semiconductor quantum wells 总被引:2,自引:0,他引:2
Ku PC Sedgwick F Chang-Hasnain CJ Palinginis P Li T Wang H Chang SW Chuang SL 《Optics letters》2004,29(19):2291-2293
We demonstrate slow light via population oscillation in semiconductor quantum-well structures for the first time. A group velocity as low as 9600 m/s is inferred from the experimentally measured dispersive characteristics. The transparency window exhibits a bandwidth as large as 2 GHz. 相似文献
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The technique of ferromagnetic resonance at 23 GHz has been used to determine the first three anisotropy constants of pure Ni down to 4.2K. A temperature and orientation dependent linewidth has also been observed. 相似文献
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We demonstrate the long distance transmission of single-carrier frequency division multiple address signals by directly-modulated optically injection-locked vertical-cavity surface-emitting laser. Transmission distance as long as 50 km is achieved at 5 Gb/s (2.5 Gb/s for each user) through data pattern inversion and higher frequency response gain under optical injection locking. 相似文献