High bit-rate cavity soliton-based differential phase-shift-keying demodulator

The peak intensity of cavity solitons, forming in optically injected vertical-cavity, surface-emitting lasers, is very sensitive to any small variation in the amplitude of the so-called injected beam. The results of simulations show that the time trace of the cavity soliton peak intensity closely de...

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Bibliographic Details
Published inJournal of modern optics Vol. 61; no. 2; pp. 116 - 121
Main Authors Eslami, Mansour, Kheradmand, Reza
Format Journal Article
LanguageEnglish
Published Abingdon Taylor & Francis 19.01.2014
Taylor & Francis Ltd
Subjects
Amplitudes
Beams (radiation)
cavity soliton
Demodulation
Demodulators
Holes
Ion beams
Modulation
Optics
phase-shift keying
Signaling
Simulation
Solitons
Surface emitting lasers
surface-emitting laser
vertical-cavity
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Summary:The peak intensity of cavity solitons, forming in optically injected vertical-cavity, surface-emitting lasers, is very sensitive to any small variation in the amplitude of the so-called injected beam. The results of simulations show that the time trace of the cavity soliton peak intensity closely depends on the shape, amplitude, and modulation frequency of the injected beam. This fact led to the use of the injected signal in a vertical-cavity, surface-emitting laser to measure the relative phase of two optical signals. Amplification of the input signal variations at the peak of a cavity soliton was used to design a phase detector which can find applications in optical differential phase-shift-keying demodulation systems. It is shown that the proposed scheme can convert, at its best contrast, a 71.43 Gb/s phase-keyed to an intensity-keyed signal.
Bibliography:ObjectType-Article-2
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ISSN:0950-0340
1362-3044
DOI:10.1080/09500340.2013.868546