NDLI: Relaxation dynamics measurements in bi-fiber lasers

Content Provider	IEEE Xplore Digital Library
Author	Orsila, L. Kivisto, S. Okhotnikov, O.G. Kholodkov, A.V. Dianov, E.M.
Copyright Year	2009
Description	Author affiliation: Fiber Optics Research Center, Russian Academy of Sciences, 38 Vavilov Street, 119333 Moscow, Russia (Kholodkov, A.V.; Dianov, E.M.) \|\| Optoelectronics Research Centre, Tampere University of Technology, P.O. Box 692, FIN-33101, Tampere, Finland (Orsila, L.; Kivisto, S.; Okhotnikov, O.G.)
Abstract	Since the discovery of a wideband (220–300 nm) infrared photoluminescence in bismuth containing alumosilicate glass centered in a 1.1–1.25 µm wavelength band, researchers have focused on exploiting this luminescence in oxide silicate glasses of various compositions for laser purposes [1]. Interest in this effect is mainly associated with the possibility to create Bi-doped fiber amplifiers in the second telecommunications window and for accomodating the future increase of data traffic in telecommunications optical fiber networks. The possibility of building femtosecond fiber lasers in a novel wavelength range is an added positive perspective. It is known that luminescence depends on the simultaneous presence of Bi with Al (or Ta) in the glass matrix, yet, the nature of the active optical center in Bi-doped glasses is still unclear [2]. The properties of host material and co-doping strongly affect the gain broadening and are instrumentalized for designing the optical amplifiers as well as tunable or mode-locked laser systems. Using other active atoms, earlier studies on fiber laser have shown that the character of the laser transition may vary across the gain bandwidth [3, 4]. In particular, it has been shown that transient effects, such as relaxation oscillations, can depend on the operation wavelength. However, unlike the conventional active fiber laser materials such as Er, Yb, Tm and Nd, bismuth is not a rare earth element, and its dynamical behavior may therefore vary significantly.
Starting Page	1
Ending Page	1
File Size	975200
Page Count	1
File Format	PDF
ISBN	9781424440795
DOI	10.1109/CLEOE-EQEC.2009.5196518
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-14
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wavelength measurement Power lasers Optical fiber couplers Glass Bismuth Optical fiber networks Laser excitation Laser transitions Pump lasers Fiber lasers
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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