NDLI: Cavity solitons in lasers with spatially modulated injected signal

Content Provider	IEEE Xplore Digital Library
Author	de Valcarcel, G.J. Staliunas, K.
Copyright Year	2009
Description	Author affiliation: Departament d'Óptica, Universitat de València, Dr. Moliner 50, 46100 Burjassot, Spain, EU (de Valcarcel, G.J.) \|\| ICREA, Departament de Física i Enginyeria Nuclear, Universitat Politècnica de Catalunya, Colom 11, 08222 Terrassa, Spain, EU (Staliunas, K.)
Abstract	The injection of a monochromatic signal into a laser is a well-known technique for locking the laser phase to that of the injection. Some years ago another type of injection, called rocking [1,2], was introduced to render the laser phase-locking bistable. Rocking consists of the modulation of the amplitude injection so that its sign changes periodically, or even randomly [3], in time. Here we present an alternative to rocking that leads to the same type of behaviour, namely the appearance of bistable phase locking and, in the case of large Fresnel number lasers, to stable (phase bistable) cavity solitons and extended patterns. The new type of injection we present here is monochromatic, unlike usual rocking, but it is spatially modulated across the transverse plane of the cavity, so that its sign varies periodically, or even randomly, in space. Advantages of the proposed injection technique with respect to usual rocking are evident, as in usual rocking the time modulation scale can interact with relevant time scales of the laser, limiting its performance [4], a feature that is absent in the present proposal. As well, the intrinsic polychromaticity of rocking requires that the cavity line-width be larger than the injection bandwidth, a limitation that, again, does not affect the technique put forward here.
Starting Page	1
Ending Page	1
File Size	299909
Page Count	1
File Format	PDF
ISBN	9781424440795
DOI	10.1109/CLEOE-EQEC.2009.5194732
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	Nonuniform electric fields Diffraction Solitons Bandwidth Laser stability Laser modes Amplitude modulation Displays Proposals Equations
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
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