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Unifying intensity noise and second-order coherence properties of amplified spontaneous emission sources

机译:统一的放大自发发射源的强度噪声和二阶相干特性

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摘要

We present joint investigations of relative intensity noise (RIN) and second-order coherence properties of amplified spontaneous emission (ASE) generated by a superluminescent diode. We introduce a generalized intensity noise description for ASE sources that contains the shot noise contribution but also accounts for first- and second-order coherence properties reflecting the process of light generation. We find excellent agreement between pump-current-dependent RIN values and this new description, with the perspective of particular interesting consequences for the realization of low-noise broadband emitters.
机译:我们目前对由超发光二极管产生的放大自发发射(ASE)的相对强度噪声(RIN)和二阶相干特性进行联合研究。我们为ASE源引入了广义强度噪声描述,该描述既包含散粒噪声贡献,又解释了反映光生成过程的一阶和二阶相干特性。我们发现与泵电流相关的RIN值与该新描述之间有着极好的一致性,并从实现低噪声宽带发射器产生特别有趣的结果的角度出发。

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