Enhancement of dynamic range in 1.55-/spl mu/m VCSELs using injection locking |
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| Authors: | L. Chrostowski Chih-Hao Chang C.J. Chang-Hasnain |
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| Affiliation: | Dept. of Electr. Eng. & Comput. Sci., Univ. of California, Berkeley, CA, USA; |
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| Abstract: | ![]()
Injection locking is demonstrated to improve the analog performance of long wavelength vertical-cavity surface-emitting lasers. The third-harmonic dynamic range was improved by /spl sim/20 dB/spl middot/Hz/sup 2/3/ to be /spl sim/94 dB/spl middot/Hz/sup 2/3/, and the modulation bandwidth was increased two fold. The locking conditions are studied and show that the improvement is present over a wide range of injection power and wavelength detuning. |
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