Harmonic millimeter-wave generation and frequency up-conversion using a passively mode-locked multisection DFB laser under external optical injection

Kwang Hyun Lee, Woo Young Choi, Young Ahn Leem, Kyung Hyun Park

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

We demonstrate that a passively mode-locked multisection distributed-feedback (PML-MS DFB) laser can perform both harmonic millimeter-wave generation and harmonic frequency up-conversion under the external optical injection. Optical multiple modes generated by a PML-MS DFB laser produce harmonic millimeter-waves by mode-beating in a photodiode (PD), and the phase quality and stability are enhanced by the injection of external optical signal modulated at fLO. In addition, if the external optical signal is modulated simultaneously by fLO and fIF, the PML-MS DFB laser performs all-optical frequency up-conversion producing sidebands at fLO ± fIF when detected by a PD. Using this method, we demonstrate generation of stable harmonic millimeter-waves at 30.42 and 60.84 GHz with fLO of 15.21 GHz, and up-conversion of 10-Mb/s quadrature-phase-shift keying data at 150 MHz fIF into the 60-GHz band. These functions of a PML-MS DFB laser can be useful for radio-over-fiber applications in which a compact optical source is needed for processing high-frequency radio signals in optical domain.

Original languageEnglish
Pages (from-to)161-163
Number of pages3
JournalIEEE Photonics Technology Letters
Volume19
Issue number3
DOIs
Publication statusPublished - 2007 Feb 1

Fingerprint

Distributed feedback lasers
wave generation
Laser modes
Millimeter waves
millimeter waves
distributed feedback lasers
injection
harmonics
lasers
Photodiodes
photodiodes
optical communication
Radio-over-fiber
Quadrature phase shift keying
radio signals
quadrature phase shift keying
Light sources
sidebands
Processing
fibers

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

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abstract = "We demonstrate that a passively mode-locked multisection distributed-feedback (PML-MS DFB) laser can perform both harmonic millimeter-wave generation and harmonic frequency up-conversion under the external optical injection. Optical multiple modes generated by a PML-MS DFB laser produce harmonic millimeter-waves by mode-beating in a photodiode (PD), and the phase quality and stability are enhanced by the injection of external optical signal modulated at fLO. In addition, if the external optical signal is modulated simultaneously by fLO and fIF, the PML-MS DFB laser performs all-optical frequency up-conversion producing sidebands at fLO ± fIF when detected by a PD. Using this method, we demonstrate generation of stable harmonic millimeter-waves at 30.42 and 60.84 GHz with fLO of 15.21 GHz, and up-conversion of 10-Mb/s quadrature-phase-shift keying data at 150 MHz fIF into the 60-GHz band. These functions of a PML-MS DFB laser can be useful for radio-over-fiber applications in which a compact optical source is needed for processing high-frequency radio signals in optical domain.",
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Harmonic millimeter-wave generation and frequency up-conversion using a passively mode-locked multisection DFB laser under external optical injection. / Lee, Kwang Hyun; Choi, Woo Young; Leem, Young Ahn; Park, Kyung Hyun.

In: IEEE Photonics Technology Letters, Vol. 19, No. 3, 01.02.2007, p. 161-163.

Research output: Contribution to journalArticle

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