Abdul Hadi Sulaiman , Abdisamad Ali Aden , Aiman Ismail , Fairuz Abdullah , Md Zaini Jamaludin
{"title":"Effect of hybrid optical amplifier in multiwavelength fiber laser utilizing Sagnac loop mirror interferometer","authors":"Abdul Hadi Sulaiman , Abdisamad Ali Aden , Aiman Ismail , Fairuz Abdullah , Md Zaini Jamaludin","doi":"10.1016/j.yofte.2022.103147","DOIUrl":null,"url":null,"abstract":"<div><p>This paper presents a multiwavelength fiber laser (MWFL) utilizing a Sagnac loop mirror (SLM) interferometer with a hybrid optical amplifier comprising a semiconductor optical amplifier (SOA) and an erbium-doped fiber amplifier (EDFA). Previously, no research reported MWFL based on SOA and EDFA combination utilizing SLM interferometer. The combination of a polarizer and SOA induces intensity-dependent loss mechanism at a certain polarization state. It is utilized to flatten and stabilize the multiwavelength spectrum. The laser produces maximum lasing lines of 65 channels within 5 dB uniformity and with 10 dB of extinction ratio. The removal of EDFA from the cavity reduces the peak power by 11 dB with the output spectrum shifted to shorter wavelength by 6 nm. Furthermore, the laser shows a significantly stable output with peak power fluctuation lower than 0.8 dB within 100 min of observation time.</p></div>","PeriodicalId":19663,"journal":{"name":"Optical Fiber Technology","volume":"74 ","pages":"Article 103147"},"PeriodicalIF":2.7000,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Optical Fiber Technology","FirstCategoryId":"94","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1068520022003303","RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 2
Abstract
This paper presents a multiwavelength fiber laser (MWFL) utilizing a Sagnac loop mirror (SLM) interferometer with a hybrid optical amplifier comprising a semiconductor optical amplifier (SOA) and an erbium-doped fiber amplifier (EDFA). Previously, no research reported MWFL based on SOA and EDFA combination utilizing SLM interferometer. The combination of a polarizer and SOA induces intensity-dependent loss mechanism at a certain polarization state. It is utilized to flatten and stabilize the multiwavelength spectrum. The laser produces maximum lasing lines of 65 channels within 5 dB uniformity and with 10 dB of extinction ratio. The removal of EDFA from the cavity reduces the peak power by 11 dB with the output spectrum shifted to shorter wavelength by 6 nm. Furthermore, the laser shows a significantly stable output with peak power fluctuation lower than 0.8 dB within 100 min of observation time.
期刊介绍：
Innovations in optical fiber technology are revolutionizing world communications. Newly developed fiber amplifiers allow for direct transmission of high-speed signals over transcontinental distances without the need for electronic regeneration. Optical fibers find new applications in data processing. The impact of fiber materials, devices, and systems on communications in the coming decades will create an abundance of primary literature and the need for up-to-date reviews.
Optical Fiber Technology: Materials, Devices, and Systems is a new cutting-edge journal designed to fill a need in this rapidly evolving field for speedy publication of regular length papers. Both theoretical and experimental papers on fiber materials, devices, and system performance evaluation and measurements are eligible, with emphasis on practical applications.
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