40 GHz mode-beating with 8Hz linewidth and 64fs timing jitter from a synchronized mode-locked quantum-dash laser diode

Ramón Maldonado-Basilio; Sylwester Latkowski; Severine Philippe; Pascal Landais

doi:10.1364/OL.36.003142

40 GHz mode-beating with 8Hz linewidth and 64fs timing jitter from a synchronized mode-locked quantum-dash laser diode

Ramón Maldonado-Basilio, Sylwester Latkowski, Severine Philippe, Pascal Landais

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

11 Citations (Scopus)

Abstract

Linewidth narrowing of the radio frequency beat-tones and the optical-modes is experimentally investigated in a ˜40GHz quantum-dash mode-locked laser diode subject to optical injection of 10GHz pulses. In comparison to the 75kHz linewidth exhibited by the beat-tones in passive mode-locking conditions, a remarkable reduction to less than 8Hz is achieved when the laser is under optical injection. From this beat-tone signal, an integrated root-mean-square timing jitter of 64fs is calculated. In addition, a quadratic profile of the optical linewidth with the wavelength is observed in active locking, reaching a minimum of 1.7MHz for the longitudinal modes around 1530nm and progressively increasing to 37.4MHz for modes at 1525nm.

Original language	English
Pages (from-to)	3142-3144
Journal	Optics Letters
Volume	36
Issue number	16
DOIs	https://doi.org/10.1364/OL.36.003142
Publication status	Published - 15 Aug 2011
Externally published	Yes

Keywords

Mode-locked lasers
Semiconductor lasers
Quantum-well
-wire and -dot devices

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10.1364/OL.36.003142

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title = "40 GHz mode-beating with 8Hz linewidth and 64fs timing jitter from a synchronized mode-locked quantum-dash laser diode",

abstract = "Linewidth narrowing of the radio frequency beat-tones and the optical-modes is experimentally investigated in a ˜40GHz quantum-dash mode-locked laser diode subject to optical injection of 10GHz pulses. In comparison to the 75kHz linewidth exhibited by the beat-tones in passive mode-locking conditions, a remarkable reduction to less than 8Hz is achieved when the laser is under optical injection. From this beat-tone signal, an integrated root-mean-square timing jitter of 64fs is calculated. In addition, a quadratic profile of the optical linewidth with the wavelength is observed in active locking, reaching a minimum of 1.7MHz for the longitudinal modes around 1530nm and progressively increasing to 37.4MHz for modes at 1525nm.",

keywords = "Mode-locked lasers, Semiconductor lasers, Quantum-well, -wire and -dot devices",

author = "Ram{\'o}n Maldonado-Basilio and Sylwester Latkowski and Severine Philippe and Pascal Landais",

year = "2011",

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doi = "10.1364/OL.36.003142",

language = "English",

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publisher = "Optical Society of America (OSA)",

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T1 - 40 GHz mode-beating with 8Hz linewidth and 64fs timing jitter from a synchronized mode-locked quantum-dash laser diode

AU - Maldonado-Basilio, Ramón

AU - Latkowski, Sylwester

AU - Philippe, Severine

AU - Landais, Pascal

PY - 2011/8/15

Y1 - 2011/8/15

N2 - Linewidth narrowing of the radio frequency beat-tones and the optical-modes is experimentally investigated in a ˜40GHz quantum-dash mode-locked laser diode subject to optical injection of 10GHz pulses. In comparison to the 75kHz linewidth exhibited by the beat-tones in passive mode-locking conditions, a remarkable reduction to less than 8Hz is achieved when the laser is under optical injection. From this beat-tone signal, an integrated root-mean-square timing jitter of 64fs is calculated. In addition, a quadratic profile of the optical linewidth with the wavelength is observed in active locking, reaching a minimum of 1.7MHz for the longitudinal modes around 1530nm and progressively increasing to 37.4MHz for modes at 1525nm.

AB - Linewidth narrowing of the radio frequency beat-tones and the optical-modes is experimentally investigated in a ˜40GHz quantum-dash mode-locked laser diode subject to optical injection of 10GHz pulses. In comparison to the 75kHz linewidth exhibited by the beat-tones in passive mode-locking conditions, a remarkable reduction to less than 8Hz is achieved when the laser is under optical injection. From this beat-tone signal, an integrated root-mean-square timing jitter of 64fs is calculated. In addition, a quadratic profile of the optical linewidth with the wavelength is observed in active locking, reaching a minimum of 1.7MHz for the longitudinal modes around 1530nm and progressively increasing to 37.4MHz for modes at 1525nm.

KW - Mode-locked lasers

KW - Semiconductor lasers

KW - Quantum-well

KW - -wire and -dot devices

U2 - 10.1364/OL.36.003142

DO - 10.1364/OL.36.003142

M3 - Article

C2 - 21847187

VL - 36

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JO - Optics Letters

JF - Optics Letters

SN - 0146-9592

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