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Laser dynamics of a mode-locked thulium/holmium fiber laser in the solitonic and the stretched pulse regimes.

Record Type:	Language materials, manuscript : Monograph/item
Title/Author:	Laser dynamics of a mode-locked thulium/holmium fiber laser in the solitonic and the stretched pulse regimes./
Author:	Kadel, Rajesh.
Description:	1 online resource (180 pages)
Notes:	Source: Dissertation Abstracts International, Volume: 75-11(E), Section: B.
Contained By:	Dissertation Abstracts International75-11B(E).
Subject:	Optics. -
Online resource:	click for full text (PQDT)
ISBN:	9781321031768

Laser dynamics of a mode-locked thulium/holmium fiber laser in the solitonic and the stretched pulse regimes.
Kadel, Rajesh.

Laser dynamics of a mode-locked thulium/holmium fiber laser in the solitonic and the stretched pulse regimes. - 1 online resource (180 pages)

Source: Dissertation Abstracts International, Volume: 75-11(E), Section: B.

Thesis (Ph.D.)--Kansas State University, 2014.

Includes bibliographical references

Mode-locked lasers that produce short optical pulses in the mid-infrared wavelength region have been sought out for a wide range of applications such as free space communication, molecular spectroscopy, medical diagnostics, and remote sensing. Here, a thulium and holmium (Tm/Ho) co-doped fiber laser that mode-locks in both the solitonic and stretched-pulse regimes is used to produce ultra-short pulses in the 2 mum region. Nonlinear polarization rotation technique is used where fiber nonlinearity is responsible to mode-lock the laser. The anomalous group velocity dispersion of both the single mode and gain fibers used limit the laser operation in the solitonic regime where spectral bandwidth is 10 nm and hence the pulse duration is limited to 996 fs. In order to increase the spectral bandwidth and hence get the shorter pulses the anomalous dispersion of these fibers has to compensate using normal group velocity dispersion fiber in the laser cavity.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2018

Mode of access: World Wide Web

ISBN: 9781321031768Subjects--Topical Terms:

595336
Optics.
Index Terms--Genre/Form:

554714
Electronic books.

Laser dynamics of a mode-locked thulium/holmium fiber laser in the solitonic and the stretched pulse regimes.
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100 1 $a Kadel, Rajesh. $3 1192143
245 1 0 $a Laser dynamics of a mode-locked thulium/holmium fiber laser in the solitonic and the stretched pulse regimes.
264 0 $c 2014
300 $a 1 online resource (180 pages)
336 $a text $b txt $2 rdacontent
337 $a computer $b c $2 rdamedia
338 $a online resource $b cr $2 rdacarrier
500 $a Source: Dissertation Abstracts International, Volume: 75-11(E), Section: B.
500 $a Adviser: Brian R. Washburn.
502 $a Thesis (Ph.D.)--Kansas State University, 2014.
504 $a Includes bibliographical references
520 $a Mode-locked lasers that produce short optical pulses in the mid-infrared wavelength region have been sought out for a wide range of applications such as free space communication, molecular spectroscopy, medical diagnostics, and remote sensing. Here, a thulium and holmium (Tm/Ho) co-doped fiber laser that mode-locks in both the solitonic and stretched-pulse regimes is used to produce ultra-short pulses in the 2 mum region. Nonlinear polarization rotation technique is used where fiber nonlinearity is responsible to mode-lock the laser. The anomalous group velocity dispersion of both the single mode and gain fibers used limit the laser operation in the solitonic regime where spectral bandwidth is 10 nm and hence the pulse duration is limited to 996 fs. In order to increase the spectral bandwidth and hence get the shorter pulses the anomalous dispersion of these fibers has to compensate using normal group velocity dispersion fiber in the laser cavity.
520 $a High numerical aperture fibers, which have normal group velocity dispersion around 2 mum due to its large and positive waveguide dispersion, can be used to compensate the anomalous dispersion of the gain and single mode fibers. We used a high numerical aperture fiber called UHNA4 in the laser cavity in order to compensate the anomalous dispersion of other fibers and mode-locked the laser in stretched pulse regime. The spectral bandwidth of the laser increased to 31 nm with corresponding pulse duration of 450 fs measured from the interferometric autocorrelation. The laser dynamics of the Tm/Ho co-doped fiber laser is also studied while going from the stretched-pulse to solitonic regime by fiber cut-back measurements of normal dispersion fiber. It was clearly observed that both the spectral bandwidth and the pulse duration changed significantly going from one region to the other.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2018
538 $a Mode of access: World Wide Web
650 4 $a Optics. $3 595336
650 4 $a Remote sensing. $3 557272
650 4 $a Biomedical engineering. $3 588770
650 4 $a High temperature physics. $3 1148654
655 7 $a Electronic books. $2 local $3 554714
690 $a 0752
690 $a 0799
690 $a 0541
690 $a 0597
710 2 $a ProQuest Information and Learning Co. $3 1178819
710 2 $a Kansas State University. $b Department of Physics. $3 1192144
773 0 $t Dissertation Abstracts International $g 75-11B(E).
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3627743 $z click for full text (PQDT)