| Original Articles |
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Low Timing Jitter and Tunable Dual-Wavelength Picosecond Pulse Generation from a Fabry--Pérot Laser Diode with External Injection |
| YANG Yi-Biao1;WANG Yun-Cai1;ZHANG Ming-Jiang1;LIANG Wei2 |
| 1Department of Physics, College of Science, Taiyuan University of Technology, Taiyuan 0300242College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024 |
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| Cite this article: |
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YANG Yi-Biao, WANG Yun-Cai, ZHANG Ming-Jiang et al 2007 Chin. Phys. Lett. 24 1573-1576 |
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Abstract A novel scheme to generate tunable dual-wavelength optical pulses with low timing jitter at arbitrary repetition rates is proposed and demonstrated experimentally. The pulses are generated from a gain-switched Fabry--Pérot laser diode with two external cw beams for injection seeding simultaneously. The cw light is generated by two independent distributed feedback laser diodes, and their wavelengths can be tuned independently by two temperature controllers. The dual-wavelength pulses with the pulse width of 57ps, the timing jitter of 340fs, are obtained. The sidemode-suppression ratio of the output pulses is better than 23dB over a 10-nm wavelength tuning range.
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| Keywords:
42.55.Px
42.60.Mi
42.60.Jf
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Received: 02 March 2007
Published: 17 May 2007
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| PACS: |
42.55.Px
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(Semiconductor lasers; laser diodes)
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42.60.Mi
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(Dynamical laser instabilities; noisy laser behavior)
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42.60.Jf
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(Beam characteristics: profile, intensity, and power; spatial pattern formation)
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