| Original Articles |
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Period-Doubling in 10GHz Gain-Switched DFB Laser Diode |
| WU Jian;QIU Ji-Fang;LIN Jin-Tong |
| Key Laboratory of Optical Communication and Lightwave Technologies (Ministry of Education), Beijing University of Posts and Telecommunications, Beijing 100876 |
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| Cite this article: |
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WU Jian, QIU Ji-Fang, LIN Jin-Tong 2007 Chin. Phys. Lett. 24 2852-2854 |
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Abstract The distinct period doubling behaviour in a 10GHz gain-switched (GS) DFB laser is experimentally investigated in frequency domain and in time domain. The period doubling occurs as the frequency of the rf driving signal is close to or higher than the -3dB cutoff frequency of the DFB laser diode, and the amplitude of the rf driving signal required to achieve period doubling increases linearly with the increasing bias current of the laser diode.
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| Keywords:
42.65.Re
42.65.Sf
42.55.Px
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Received: 09 May 2007
Published: 20 September 2007
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| PACS: |
42.65.Re
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(Ultrafast processes; optical pulse generation and pulse compression)
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42.65.Sf
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(Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics)
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42.55.Px
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(Semiconductor lasers; laser diodes)
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