40 GHz bandwidth and 64 GHz resonance frequency in injection-locked 1.55 μm VCSELs

Lukas Chrostowski; Behnam Faraji; Werner Hofmann; Markus Christian Amann; Sebastian Wieczorek; Weng W. Chow

doi:10.1109/JSTQE.2007.904417

40 GHz bandwidth and 64 GHz resonance frequency in injection-locked 1.55 μm VCSELs

Lukas Chrostowski, Behnam Faraji, Werner Hofmann, Markus Christian Amann, Sebastian Wieczorek, Weng W. Chow

Chair of Semiconductor Technology

Research output: Contribution to journal › Article › peer-review

86 Scopus citations

Abstract

Injection locking is shown to greatly enhance the resonance frequency of 1.55 μm vertical-cavity surface-emitting lasers (VCSELs), from 10 to 60 GHz, under ultrahigh injection locking conditions. Using injection locking to increase the laser resonance frequency, together with a low parasitic VCSEL design, a 3 dB bandwidth of over 40 GHz was attained, a record broadband performance for directly modulated VCSELs. VCSELs with slightly detuned polarization modes are injection locked with controlled polarization angles. For the first time, a dual-resonance frequency response is observed, and is explained with a two polarization-mode injection-locked rate equation model.

Original language	English
Pages (from-to)	1200-1208
Number of pages	9
Journal	IEEE Journal on Selected Topics in Quantum Electronics
Volume	13
Issue number	5
DOIs	https://doi.org/10.1109/JSTQE.2007.904417
State	Published - Sep 2007

Keywords

Direct modulation
Frequency response
Optical injection locking
Vertical-cavity surface-emitting lasers (VCSELs)

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10.1109/JSTQE.2007.904417

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title = "40 GHz bandwidth and 64 GHz resonance frequency in injection-locked 1.55 μm VCSELs",

abstract = "Injection locking is shown to greatly enhance the resonance frequency of 1.55 μm vertical-cavity surface-emitting lasers (VCSELs), from 10 to 60 GHz, under ultrahigh injection locking conditions. Using injection locking to increase the laser resonance frequency, together with a low parasitic VCSEL design, a 3 dB bandwidth of over 40 GHz was attained, a record broadband performance for directly modulated VCSELs. VCSELs with slightly detuned polarization modes are injection locked with controlled polarization angles. For the first time, a dual-resonance frequency response is observed, and is explained with a two polarization-mode injection-locked rate equation model.",

keywords = "Direct modulation, Frequency response, Optical injection locking, Vertical-cavity surface-emitting lasers (VCSELs)",

author = "Lukas Chrostowski and Behnam Faraji and Werner Hofmann and Amann, {Markus Christian} and Sebastian Wieczorek and Chow, {Weng W.}",

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T1 - 40 GHz bandwidth and 64 GHz resonance frequency in injection-locked 1.55 μm VCSELs

AU - Chrostowski, Lukas

AU - Faraji, Behnam

AU - Hofmann, Werner

AU - Amann, Markus Christian

AU - Wieczorek, Sebastian

AU - Chow, Weng W.

PY - 2007/9

Y1 - 2007/9

N2 - Injection locking is shown to greatly enhance the resonance frequency of 1.55 μm vertical-cavity surface-emitting lasers (VCSELs), from 10 to 60 GHz, under ultrahigh injection locking conditions. Using injection locking to increase the laser resonance frequency, together with a low parasitic VCSEL design, a 3 dB bandwidth of over 40 GHz was attained, a record broadband performance for directly modulated VCSELs. VCSELs with slightly detuned polarization modes are injection locked with controlled polarization angles. For the first time, a dual-resonance frequency response is observed, and is explained with a two polarization-mode injection-locked rate equation model.

AB - Injection locking is shown to greatly enhance the resonance frequency of 1.55 μm vertical-cavity surface-emitting lasers (VCSELs), from 10 to 60 GHz, under ultrahigh injection locking conditions. Using injection locking to increase the laser resonance frequency, together with a low parasitic VCSEL design, a 3 dB bandwidth of over 40 GHz was attained, a record broadband performance for directly modulated VCSELs. VCSELs with slightly detuned polarization modes are injection locked with controlled polarization angles. For the first time, a dual-resonance frequency response is observed, and is explained with a two polarization-mode injection-locked rate equation model.

KW - Direct modulation

KW - Frequency response

KW - Optical injection locking

KW - Vertical-cavity surface-emitting lasers (VCSELs)

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SN - 1077-260X

VL - 13

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JO - IEEE Journal on Selected Topics in Quantum Electronics

JF - IEEE Journal on Selected Topics in Quantum Electronics

IS - 5

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40 GHz bandwidth and 64 GHz resonance frequency in injection-locked 1.55 μm VCSELs

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