Unraveling the phase-amplitude coupling modulation in a delay-coupled diode lasers functionality

We numerically investigate the effect of phase-amplitude coupling modulation on power spectra in semiconductor lasers subject to optical injection in a face to face configuration, when a non-negligible injection delay time is taken into account. We find that as phase-amplitude coupling factor α vari...

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Main Authors Kumar, Pramod, Sinha, Sudeshna, Pal, Vishwa, Mclnerney, John Gerard
Format Conference Proceeding
LanguageEnglish
Published SPIE 22.02.2017
Online AccessGet full text
ISBN1510606130
9781510606135
ISSN0277-786X
DOI10.1117/12.2251972

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Abstract We numerically investigate the effect of phase-amplitude coupling modulation on power spectra in semiconductor lasers subject to optical injection in a face to face configuration, when a non-negligible injection delay time is taken into account. We find that as phase-amplitude coupling factor α varies, the system goes through a sequence of phase transactions between In-phase locking states to anti-phase locking states via phase-flip bifurcation. Moreover, we observed the signature of frequency discretization (Frequency Island) and uncovered the physical mechanism for the existence of multi-stability near the phase transitions regimes. Within the windows between successive anti-phases to in-phase locking regions, optical injection induced modulation in alpha, unveiling a remarkable universal feature in the various dynamics of coupled lasers system which could be useful in controlling the chirp or pulse repetition rate of a photonic integrated compact device with the aid of phase control.
AbstractList We numerically investigate the effect of phase-amplitude coupling modulation on power spectra in semiconductor lasers subject to optical injection in a face to face configuration, when a non-negligible injection delay time is taken into account. We find that as phase-amplitude coupling factor α varies, the system goes through a sequence of phase transactions between In-phase locking states to anti-phase locking states via phase-flip bifurcation. Moreover, we observed the signature of frequency discretization (Frequency Island) and uncovered the physical mechanism for the existence of multi-stability near the phase transitions regimes. Within the windows between successive anti-phases to in-phase locking regions, optical injection induced modulation in alpha, unveiling a remarkable universal feature in the various dynamics of coupled lasers system which could be useful in controlling the chirp or pulse repetition rate of a photonic integrated compact device with the aid of phase control.
Author Kumar, Pramod
Mclnerney, John Gerard
Pal, Vishwa
Sinha, Sudeshna
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  surname: Kumar
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  organization: Univ. College Cork (Ireland)
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  givenname: Sudeshna
  surname: Sinha
  fullname: Sinha, Sudeshna
  organization: Indian Institute of Science Education & Research Mohali (India)
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  givenname: Vishwa
  surname: Pal
  fullname: Pal, Vishwa
  organization: Weizmann Institute of Science (Israel)
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  givenname: John Gerard
  surname: Mclnerney
  fullname: Mclnerney, John Gerard
  organization: Univ. College Cork (Ireland)
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DOI 10.1117/12.2251972
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Notes Conference Location: San Francisco, California, United States
Conference Date: 2017-01-28|2017-02-02
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Snippet We numerically investigate the effect of phase-amplitude coupling modulation on power spectra in semiconductor lasers subject to optical injection in a face to...
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Title Unraveling the phase-amplitude coupling modulation in a delay-coupled diode lasers functionality
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