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Widely and continuously tunable continuum generation from CW-pumped cascaded fibers

Widely and continuously tunable continuum generation from CW-pumped cascaded fibers
Widely and continuously tunable continuum generation from CW-pumped cascaded fibers
A tunable continuum with multiwatt output power is demonstrated for the first time through the pumping of cascaded fibers by using a continuous-wave (CW) ytterbium fiber laser. The central wavelength of the output continuum can be tuned continuously and monotonically by varying input pump power, with a wide wavelength-tunable range from 1.2 to 1.4 µm and a 3-dB bandwidth of tens of nanometers. Two configurations of the cascaded fibers both display the power-dependent wavelength tunability. The output spectral characteristics are presented, and the generation of the CW-pumped tunable continuum is tentatively attributed to the seed-dependent Raman amplification.
1943-0655
1-7
Guo, Chunyu
217b87da-223a-4298-8220-24d5f2140269
Yu, Jun
3c46e8fc-ce06-4a1d-b666-96d5acd6828b
Ruan, Shuangchen
5880cbc3-f028-4f39-9836-00fc3c089997
Ouyang, Deqin
3d964935-b19f-4bf5-bcf1-fefb1a289b56
Lin, Huaiqin
93249e2f-c74f-4c21-990e-f8347e57d2fe
Liu, Weiqi
4ebde066-a7a1-499b-823b-2e70a8542f1e
Chen, Yewang
0437a51e-d09d-44ed-b2a8-7b9987b1dee8
Yan, Peiguang
7581bcc9-cf7e-444a-b922-be94a936943a
Hu, Xuejuan
98b14176-87e2-46d2-8687-7ea123077dd3
Hua, Ping
92fa76e2-970b-45f5-a459-d9f95e735303
Guo, Chunyu
217b87da-223a-4298-8220-24d5f2140269
Yu, Jun
3c46e8fc-ce06-4a1d-b666-96d5acd6828b
Ruan, Shuangchen
5880cbc3-f028-4f39-9836-00fc3c089997
Ouyang, Deqin
3d964935-b19f-4bf5-bcf1-fefb1a289b56
Lin, Huaiqin
93249e2f-c74f-4c21-990e-f8347e57d2fe
Liu, Weiqi
4ebde066-a7a1-499b-823b-2e70a8542f1e
Chen, Yewang
0437a51e-d09d-44ed-b2a8-7b9987b1dee8
Yan, Peiguang
7581bcc9-cf7e-444a-b922-be94a936943a
Hu, Xuejuan
98b14176-87e2-46d2-8687-7ea123077dd3
Hua, Ping
92fa76e2-970b-45f5-a459-d9f95e735303

Guo, Chunyu, Yu, Jun, Ruan, Shuangchen, Ouyang, Deqin, Lin, Huaiqin, Liu, Weiqi, Chen, Yewang, Yan, Peiguang, Hu, Xuejuan and Hua, Ping (2015) Widely and continuously tunable continuum generation from CW-pumped cascaded fibers. IEEE Photonics Journal, 7 (4), 1-7. (doi:10.1109/JPHOT.2015.2445091).

Record type: Article

Abstract

A tunable continuum with multiwatt output power is demonstrated for the first time through the pumping of cascaded fibers by using a continuous-wave (CW) ytterbium fiber laser. The central wavelength of the output continuum can be tuned continuously and monotonically by varying input pump power, with a wide wavelength-tunable range from 1.2 to 1.4 µm and a 3-dB bandwidth of tens of nanometers. Two configurations of the cascaded fibers both display the power-dependent wavelength tunability. The output spectral characteristics are presented, and the generation of the CW-pumped tunable continuum is tentatively attributed to the seed-dependent Raman amplification.

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More information

e-pub ahead of print date: 19 June 2015
Published date: August 2015
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 385246
URI: https://eprints.soton.ac.uk/id/eprint/385246
ISSN: 1943-0655
PURE UUID: 05f3cea3-302d-4528-9011-027672280353

Catalogue record

Date deposited: 21 Dec 2015 16:43
Last modified: 15 Nov 2018 17:31

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