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arXiv physics/0611060physics.atom-ph
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利用光纤相位调制器和自注入锁定二极管Laser产生任意频率啁啾

Generation of Arbitrary Frequency Chirps with a Fiber-Based Phase Modulator and Self-Injection-Locked Diode Laser

C. E. Rogers, M. J. Wright, J. L. Carini, J. A. Pechkis, P. L. Gould

摘要:

提出了一种产生频率任意啁啾的激光脉冲的新技术。来自二极管激光器的输出通过包含基于光纤的电光相位调制器的光纤延迟线发送。在从光纤出来时,相位调制脉冲用于注入锁定激光器,并且重复该过程。大的相位调制是通过多次通过环路来实现的,而高的光功率是通过每次通过后的自注入锁定来保持的。通过用任意波形发生器驱动调制器来产生任意啁啾。

英文摘要:

We present a novel technique for producing pulses of laser light whose frequency is arbitrarily chirped. The output from a diode laser is sent through a fiber-optical delay line containing a fiber-based electro-optical phase modulator. Upon emerging from the fiber, the phase-modulated pulse is used to injection-lock the laser and the process is repeated. Large phase modulations are realized by multiple passes through the loop while the high optical power is maintained by self-injection-locking after each pass. Arbitrary chirps are produced by driving the modulator with an arbitrary waveform generator.

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