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Passively Q-switched fiber laser utilizing new hafnium–bismuth–erbium co-doped fiber as saturable absorber

A stable all-fiber passively Q-switched erbium-doped fiber laser emitting at 1559 nm is proposed and demonstrated using an 8-cm-long hafnium–bismuth–erbium co-doped fiber (HBEDF) as a saturable absorber (SA). The HBEDF is fabricated in-house and has a linear absorption of around 5.2 dB at the laser...

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Main Authors: Rahman, Mohd Fauzi Ab, Latiff, Anas Abdul, Reddy, Pinninty Harshavardhan, Das, Shyamal, Dhar, Anirban, Paul, Mukul Chandra, Harun, Sulaiman Wadi
Format: Article
Published: Springer Verlag (Germany) 2019
Subjects:
QC Physics
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://eprints.um.edu.my/23704/
https://doi.org/10.1007/s12648-019-01423-9
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spelling my.um.eprints.237042020-02-10T02:14:39Z http://eprints.um.edu.my/23704/ Passively Q-switched fiber laser utilizing new hafnium–bismuth–erbium co-doped fiber as saturable absorber Rahman, Mohd Fauzi Ab Latiff, Anas Abdul Reddy, Pinninty Harshavardhan Das, Shyamal Dhar, Anirban Paul, Mukul Chandra Harun, Sulaiman Wadi QC Physics TK Electrical engineering. Electronics Nuclear engineering A stable all-fiber passively Q-switched erbium-doped fiber laser emitting at 1559 nm is proposed and demonstrated using an 8-cm-long hafnium–bismuth–erbium co-doped fiber (HBEDF) as a saturable absorber (SA). The HBEDF is fabricated in-house and has a linear absorption of around 5.2 dB at the laser operating wavelength of 1559 nm. The Q-switching pulses are obtained with an input pump power ranging from 50 to 121 mW. It has the pulse repetition rate of 81.57 kHz, the shortest pulse width of 3.31 µs, output power of 10 mW, pulse energy of 123 nJ and peak power of 37.3 mW at the maximum pump power of 121 mW. The corresponding signal-to-noise ratio of the electrical spectrum is measured to be around 70 dB, which indicates the stability of the laser. To the best of our knowledge, this is the first demonstration of the deployment of HBEDF SA in generating a robust and steady pulsed laser in 1.5-micron region. © 2019, Indian Association for the Cultivation of Science. Springer Verlag (Germany) 2019 Article PeerReviewed Rahman, Mohd Fauzi Ab and Latiff, Anas Abdul and Reddy, Pinninty Harshavardhan and Das, Shyamal and Dhar, Anirban and Paul, Mukul Chandra and Harun, Sulaiman Wadi (2019) Passively Q-switched fiber laser utilizing new hafnium–bismuth–erbium co-doped fiber as saturable absorber. Indian Journal of Physics, 93 (11). pp. 1489-1493. ISSN 0973-1458 https://doi.org/10.1007/s12648-019-01423-9 doi:10.1007/s12648-019-01423-9
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic QC Physics
TK Electrical engineering. Electronics Nuclear engineering
spellingShingle QC Physics
TK Electrical engineering. Electronics Nuclear engineering
Rahman, Mohd Fauzi Ab
Latiff, Anas Abdul
Reddy, Pinninty Harshavardhan
Das, Shyamal
Dhar, Anirban
Paul, Mukul Chandra
Harun, Sulaiman Wadi
Passively Q-switched fiber laser utilizing new hafnium–bismuth–erbium co-doped fiber as saturable absorber
description A stable all-fiber passively Q-switched erbium-doped fiber laser emitting at 1559 nm is proposed and demonstrated using an 8-cm-long hafnium–bismuth–erbium co-doped fiber (HBEDF) as a saturable absorber (SA). The HBEDF is fabricated in-house and has a linear absorption of around 5.2 dB at the laser operating wavelength of 1559 nm. The Q-switching pulses are obtained with an input pump power ranging from 50 to 121 mW. It has the pulse repetition rate of 81.57 kHz, the shortest pulse width of 3.31 µs, output power of 10 mW, pulse energy of 123 nJ and peak power of 37.3 mW at the maximum pump power of 121 mW. The corresponding signal-to-noise ratio of the electrical spectrum is measured to be around 70 dB, which indicates the stability of the laser. To the best of our knowledge, this is the first demonstration of the deployment of HBEDF SA in generating a robust and steady pulsed laser in 1.5-micron region. © 2019, Indian Association for the Cultivation of Science.
format Article
author Rahman, Mohd Fauzi Ab
Latiff, Anas Abdul
Reddy, Pinninty Harshavardhan
Das, Shyamal
Dhar, Anirban
Paul, Mukul Chandra
Harun, Sulaiman Wadi
author_facet Rahman, Mohd Fauzi Ab
Latiff, Anas Abdul
Reddy, Pinninty Harshavardhan
Das, Shyamal
Dhar, Anirban
Paul, Mukul Chandra
Harun, Sulaiman Wadi
author_sort Rahman, Mohd Fauzi Ab
title Passively Q-switched fiber laser utilizing new hafnium–bismuth–erbium co-doped fiber as saturable absorber
title_short Passively Q-switched fiber laser utilizing new hafnium–bismuth–erbium co-doped fiber as saturable absorber
title_full Passively Q-switched fiber laser utilizing new hafnium–bismuth–erbium co-doped fiber as saturable absorber
title_fullStr Passively Q-switched fiber laser utilizing new hafnium–bismuth–erbium co-doped fiber as saturable absorber
title_full_unstemmed Passively Q-switched fiber laser utilizing new hafnium–bismuth–erbium co-doped fiber as saturable absorber
title_sort passively q-switched fiber laser utilizing new hafnium–bismuth–erbium co-doped fiber as saturable absorber
publisher Springer Verlag (Germany)
publishDate 2019
url http://eprints.um.edu.my/23704/
https://doi.org/10.1007/s12648-019-01423-9
_version_ 1662755168008011776
score 13.211869

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