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An Ultrafast Wideband Discretely Swept Fiber Laser

Yang, Tong and Wei, Xiaoming and Kong, Cihang and Tan, Sisi and Tsia, Kevin K. M. and Wong, Kenneth K. Y. (2018) An Ultrafast Wideband Discretely Swept Fiber Laser. IEEE Journal of Selected Topics in Quantum Electronics, 24 (3). Art. No. 8800105. ISSN 1077-260X. http://resolver.caltech.edu/CaltechAUTHORS:20171006-132225824

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Abstract

The wavelength sweeping technology has gained its popularity in various research areas for the high resolution and high throughput capabilities. Illuminating with continuously wavelength-swept spectra, traditional spectrally encoded optical systems show low detection sensitivities in either time or spectral domains, due to the optical power divergence. In addition, they can also deliver a nontrivial sampling rate when fast line scan is performed, easily go beyond 50 GS/s, which overwhelms the conventional data processing system. In this paper, we demonstrate a 15-MHz discretely swept source at a bandwidth of ~70 nm particularly for high-speed spectrally encoded applications. The wideband discretely swept laser exhibits higher peak power, which enhances the detection sensitivity of optical system by more than 3 dB. The discretely sweeping characterization of the proposed laser is also proved to have the potential of reducing the data stream for fast processing without compromising the line-scan rate. It is believed that the efforts made in this paper provide a promising resolution for in situ ultrafast optical diagnosis at a higher sensitivity.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1109/JSTQE.2017.2753042DOIArticle
http://ieeexplore.ieee.org/document/8038771/PublisherArticle
ORCID:
AuthorORCID
Kong, Cihang0000-0002-8551-6959
Wong, Kenneth K. Y.0000-0003-3668-3539
Additional Information:© 2017 IEEE. Manuscript received May 4, 2017; revised August 1, 2017; accepted September 9, 2017. Date of publication September 15, 2017; date of current version October 3, 2017. This work was supported in part by the Research Grants Council of the Hong Kong Special Administrative Region, China, under Projects HKU 17205215, HKU 17208414, and CityU T42-103/16-N, in part by the National Natural Science Foundation of China (N_HKU712/16), in part by the Innovation and Technology Fund (GHP/050/14GD), and in part by the University Development Fund of HKU.
Funders:
Funding AgencyGrant Number
Research Grants Council of the Hong Kong Special Administrative RegionHKU 17205215
Research Grants Council of the Hong Kong Special Administrative RegionHKU 17208414
Research Grants Council of the Hong Kong Special Administrative RegionCityU T42-103/16-N
National Natural Science Foundation of ChinaN_HKU712/16
National Natural Science Foundation of ChinaGHP/050/14GD
Hong Kong UniversityUNSPECIFIED
Subject Keywords:Fiber lasers, swept source, ultrafast technology
Record Number:CaltechAUTHORS:20171006-132225824
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20171006-132225824
Official Citation:T. Yang, X. Wei, C. Kong, S. Tan, K. K. M. Tsia and K. K. Y. Wong, "An Ultrafast Wideband Discretely Swept Fiber Laser," in IEEE Journal of Selected Topics in Quantum Electronics, vol. 24, no. 3, pp. 1-5, May-June 2018. doi: 10.1109/JSTQE.2017.2753042. URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8038771&isnumber=7985002
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:82170
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:06 Oct 2017 20:31
Last Modified:02 Jan 2018 15:44

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