NDLI: Chaos generation, synchronization and communications using an integrated source with an air gap

Content Provider	IEEE Xplore Digital Library
Author	Tronciu, V.Z. Mirasso, C. Colet, P. Hamacher, M. Annovazzi-Lodi, V.
Copyright Year	2009
Description	Author affiliation: Weierstrass Institute for Applied Analysis and Stochastics Mohrenstr. 39, 10117 Berlin, Germany (Tronciu, V.Z.) \|\| Universita' di Pavia, Dipartimento di Elettronica, Via Ferrata 1 I-27100, Italy (Annovazzi-Lodi, V.) \|\| Instituto de Física Interdisciplinar y Sistemas Complejos (IFISC) CSIC-UIB, Campus Universitat de les Illes Balears, E- 07122 Palma de Mallorca, Spain (Mirasso, C.; Colet, P.) \|\| Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institute, Einsteinufer 37, D-10587 Berlin, Germany (Hamacher, M.)
Abstract	Recent technological progress brings into reach stable compact multisections semiconductor lasers. Such devices may be very suitable for chaotic secure communication [1,2]. We report results of numerical and experimental investigations of the dynamical behaviour of continuous-wave semiconductor lasers under the influence of a multiple feedbacks (see Figure1 left panel). The system consists of DFB laser coupled to two external phase sections and an airgap section. The external phase sections can be driven independently. We show that multiple feedbacks lead to a more complex behaviour which, in fact, is already indicated when looking at the number and location of the fixed points [3]. In the present study, the laser dynamics is analyzed in the framework of the extended Lang-Kobayashi equations for the complex field amplitude and excess carrier density [4]. The optimal conditions for chaos generation are identified and a comparison of the dynamics of this configuration with that of conventional optical feedback is presented. A good agreement is obtained between measurements and theoretical simulations.
Starting Page	1
Ending Page	1
File Size	368251
Page Count	1
File Format	PDF
ISBN	9781424440795
DOI	10.1109/CLEOE-EQEC.2009.5191949
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	Chaotic communication Semiconductor lasers Laser feedback Laser stability Encoding Optical coupling Cryptography Optical waveguides Equations Fiber lasers
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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