Efficient flattened optical frequency comb generation for multi-tone RF modulated signals via four-wave mixing (FWM) in wideband SOA

IF 2 3区物理与天体物理 Q3 OPTICS

Applied Physics B Pub Date : 2025-03-27 DOI:10.1007/s00340-025-08453-8

Priyanka Verma, Sukhbir Singh

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Abstract

In this manuscript, an approach for generation of flattened optical frequency comb (OFC) by using four wave mixing (FWM) effect in wideband Semiconductor optical amplifier (SOA) is proposed. The performance of proposed OFC has been analysed in presence of multi-tone RF modulated signal. The wideband SOA produces a comb-like spectrum comprised of numerous closely spaced frequency components by modulating the input light wave with a single frequency and interaction of these light waves inside the amplifier produced new frequency components. The proposed optical network is proficient for generating 58 comb lines with 2 dB maximum power deviation in which 28, 19 and 11 frequency comb lines having 2 dB maximum power deviation. The impact of confinement factor, injection current and carrier density of wideband SOA is investigated to get variations in optical frequency comb lines and maximum power deviation. This flattened OFC has advanced application in passive optical network as well as in optical sensing and it can act as multichannel source in high performance optical networks.

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宽带SOA中利用四波混频（FWM）产生多音射频调制信号的高效平坦光频梳

本文提出了一种利用宽带半导体光放大器（SOA）中的四波混频（FWM）效应产生扁平光频梳（OFC）的方法。分析了该OFC在多音射频调制信号下的性能。宽带SOA通过以单一频率调制输入光波和这些光波在放大器内部的相互作用产生新的频率分量，产生由许多紧密间隔的频率分量组成的梳状频谱。所提出的光网络精通于产生58条最大功率偏差为2db的梳线，其中28条、19条和11条频率梳线具有最大功率偏差为2db。研究了约束因子、注入电流和载流子密度对宽带SOA的影响，得到了光频梳线和最大功率偏差的变化。这种扁平化OFC在无源光网络和光传感中有着广泛的应用，可以作为高性能光网络中的多通道源。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Applied Physics B 物理-光学

CiteScore

4.00

自引率

4.80%

发文量

202

审稿时长

3.0 months

期刊介绍： Features publication of experimental and theoretical investigations in applied physics Offers invited reviews in addition to regular papers Coverage includes laser physics, linear and nonlinear optics, ultrafast phenomena, photonic devices, optical and laser materials, quantum optics, laser spectroscopy of atoms, molecules and clusters, and more 94% of authors who answered a survey reported that they would definitely publish or probably publish in the journal again Publishing essential research results in two of the most important areas of applied physics, both Applied Physics sections figure among the top most cited journals in this field. In addition to regular papers Applied Physics B: Lasers and Optics features invited reviews. Fields of topical interest are covered by feature issues. The journal also includes a rapid communication section for the speedy publication of important and particularly interesting results.