High-Speed Signal Wavelength Conversion Using a Unidirectional-Output Wavelength Conversion Device With Asymmetric-κ DBR Structure

Hiroshi Yasaka, Kiyoto Takahata, Kazuo Kasaya, Kuhishrge Oe

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The wavelength conversion device whose frequency response is evaluated analytically and experimentally in this work has a saturable absorber region, which acts as an optical gate, within the active region. The 3-dB bandwidth of this device was measured to be 800 MHz and found to be limited by the frequency response of the saturable absorber region. To speed up this device, the electrodes of the saturable absorber and the gain regions were connected electrically so that the device would act as a unidirectional-output distributed Bragg reflector (DBR) laser. When the active region (saturable absorber and the gain regions) of this DBR laser were biased above threshold condition, the 3-dB bandwidth was more than 10 GHz, and clear eye patterns were observed when the input TM-polarized light intensity was modulated by a 10-Gbit/s pseudo-random NRZ signal. These results show that high-speed wavelength conversion can be achieved when the device is operated as a laser diode.

Original languageEnglish
Pages (from-to)82-91
Number of pages10
JournalIEEE Journal of Quantum Electronics
Volume31
Issue number1
DOIs
Publication statusPublished - 1995
Externally publishedYes

Fingerprint

Distributed Bragg reflectors
Saturable absorbers
Optical frequency conversion
Bragg reflectors
high speed
DBR lasers
absorbers
output
wavelengths
Frequency response
frequency response
Bandwidth
random signals
bandwidth
Light polarization
Semiconductor lasers
polarized light
luminous intensity
Electrodes
semiconductor lasers

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Physics and Astronomy (miscellaneous)

Cite this

High-Speed Signal Wavelength Conversion Using a Unidirectional-Output Wavelength Conversion Device With Asymmetric-κ DBR Structure. / Yasaka, Hiroshi; Takahata, Kiyoto; Kasaya, Kazuo; Oe, Kuhishrge.

In: IEEE Journal of Quantum Electronics, Vol. 31, No. 1, 1995, p. 82-91.

Research output: Contribution to journalArticle

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