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首页> 外文会议>Physics and simulation of optoelectronic devices XXIII >Analysis of Microwave Frequency Combs Generated by Semiconductor Lasers under Hybrid Optical Injections
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Analysis of Microwave Frequency Combs Generated by Semiconductor Lasers under Hybrid Optical Injections

机译：混合光注入下半导体激光器产生的微波频率梳的分析

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摘要

Microwave frequency combs utilizing hybrid optical injections schemes by varying the operational parameters, injection strength, repetition frequency, and detuning frequency are demonstrated and characterized. The dynamical hybrid optical injections are realized by both optical pulse injection and optical cw injection to the slave laser simultaneously under the condition of zero detuning frequency between two injecting source lasers. For pure pulse injection case, the amplitude variation of ±27.3 dB in a 30 GHz range is obtained. By further applying the injection strength of the cw injection to the pulses injected semiconductor laser, the amplitude variation of ±3.3 dB in a 30 GHz range in microwave frequency combs are observed when operating the cw injection system in a stable locking state. In order to examine the microwave frequency comb precisely, each operational parameters of the hybrid optical injections schemes are analyzed. The amplitude variation of microwave frequency combs is also strongly influenced by operating the cw injection system in different states. Comparing to the cw injection system operated in period-one states, the amplitude variation is reduced when operated in the stable locking states. Moreover, the bandwidth broadening in microwave frequency comb is expected when the cw injection system operating in a stable locking state. In this paper, strongly improve the amplitude variation of the microwave frequency combs generated utilizing hybrid injections scheme compared to single injection case are obtained and compared.
机译：通过改变操作参数，注入强度，重复频率和失谐频率，利用混合光学注入方案对微波频率梳进行了演示和表征。动态混合光学注入是在两个注入源激光器之间的失谐频率为零的情况下，通过同时对从激光器进行光脉冲注入和光学连续波注入而实现的。对于纯脉冲注入情况，在30 GHz范围内可获得±27.3 dB的幅度变化。通过将cw注入的注入强度进一步施加到脉冲注入的半导体激光器上，当cw注入系统在稳定的锁定状态下运行时，在微波梳中30 GHz范围内的幅度变化为±3.3 dB。为了精确地检查微波频率梳，分析了混合光学注入方案的每个操作参数。在不同状态下操作连续波注入系统也会极大地影响微波频率梳的幅度变化。与在周期一状态下运行的连续波喷射系统相比，在稳定的锁定状态下运行时，振幅变化减小了。此外，当连续波注入系统在稳定的锁定状态下工作时，微波频率梳中的带宽有望扩大。与单次注入相比，通过混合注入产生的微波频率梳的幅度变化得到了很大的改善。

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