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Pure frequency modulation or intensity modulation with suppressed frequency chirp using active Bragg reflector integrated laser

Goobar, E. (author)
KTH,Mikroelektronik och Informationsteknik, IMIT
Schatz, Richard, 1963- (author)
KTH,Mikroelektronik och tillämpad fysik, MAP,Mikroelektronik och Informationsteknik, IMIT,Photonics
Broberg, B. (author)
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Nilsson, S. (author)
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 (creator_code:org_t)
Institution of Engineering and Technology (IET), 1989
1989
English.
In: Electronics Letters. - : Institution of Engineering and Technology (IET). - 0013-5194 .- 1350-911X. ; 25, s. 304-305
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The modulation properties of a laser structure which consists of an active Bragg reflector (300 mu m) integrated with an uncorrugated gain region (600 mu m) have been measured. The laser exhibited a flat FM response and very low spurious intensity modulation when modulating the current in the Bragg reflector. Furthermore, broadband intensity modulation with suppressed frequency chirp could also be achieved. An inhomogeneous linewidth enhancement factor alpha caused by the uneven carrier density distribution between the two sections gives a qualitative explanation to our results.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
NATURVETENSKAP  -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)

Keyword

300 micron;600 micron;active Bragg reflector integrated laser;broadband intensity modulation;flat FM response;inhomogeneous linewidth enhancement factor;intensity modulation;modulation properties;spurious intensity modulation;suppressed frequency chirp;uncorrugated gain region;uneven carrier density distribution;distributed Bragg reflector lasers;frequency modulation;optical modulation;semiconductor junction lasers

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art (subject category)

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Goobar, E.
Schatz, Richard, ...
Broberg, B.
Nilsson, S.
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ENGINEERING AND TECHNOLOGY
ENGINEERING AND ...
and Electrical Engin ...
and Telecommunicatio ...
NATURAL SCIENCES
NATURAL SCIENCES
and Physical Science ...
and Atom and Molecul ...
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Electronics Lett ...
By the university
Royal Institute of Technology

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