Semiconductor Raman amplifier for terahertz bandwidth optical communication

Ken Suto; Takao Saito; Tomoyuki Kimura; Jun Ichi Nishizawa; Tadao Tanabe

doi:10.1109/50.996593

Semiconductor Raman amplifier for terahertz bandwidth optical communication

Ken Suto, Takao Saito, Tomoyuki Kimura, Jun Ichi Nishizawa, Tadao Tanabe

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

25 Citations (Scopus)

Abstract

Semiconductor Raman amplifiers are useful for frequency selection in terahertz bandwidth and wavelength division multiplexing (WDM) systems with terabit capacity, as well as direct terabit optical communication systems. We have developed GaP-AlGaP Raman waveguides with micrometer-size cross sections. We have reduced residual optical loss of the waveguide by improvement of the fabrication process and realized a low-loss waveguide that is 10-mm long, which has a continuous wave (CW) Raman gain of 3.7 dB. Also, the time-gated amplification with 80-ps pulse pumping is performed and 20-dB gain is obtained. These performances are very suitable for light frequency selection in terahertz bandwidth and WDM optical communication systems.

Original language	English
Pages (from-to)	705-711
Number of pages	7
Journal	Journal of Lightwave Technology
Volume	20
Issue number	4
DOIs	https://doi.org/10.1109/50.996593
Publication status	Published - 2002 Apr
Externally published	Yes

Keywords

GaP
Raman amplifier
Raman laser
Semiconductor waveguide
Terabit
Terahertz bandwidth
Wavelength division multiplexing (WDM)

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1109/50.996593

Cite this

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abstract = "Semiconductor Raman amplifiers are useful for frequency selection in terahertz bandwidth and wavelength division multiplexing (WDM) systems with terabit capacity, as well as direct terabit optical communication systems. We have developed GaP-AlGaP Raman waveguides with micrometer-size cross sections. We have reduced residual optical loss of the waveguide by improvement of the fabrication process and realized a low-loss waveguide that is 10-mm long, which has a continuous wave (CW) Raman gain of 3.7 dB. Also, the time-gated amplification with 80-ps pulse pumping is performed and 20-dB gain is obtained. These performances are very suitable for light frequency selection in terahertz bandwidth and WDM optical communication systems.",

keywords = "GaP, Raman amplifier, Raman laser, Semiconductor waveguide, Terabit, Terahertz bandwidth, Wavelength division multiplexing (WDM)",

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T1 - Semiconductor Raman amplifier for terahertz bandwidth optical communication

AU - Suto, Ken

AU - Saito, Takao

AU - Kimura, Tomoyuki

AU - Nishizawa, Jun Ichi

AU - Tanabe, Tadao

PY - 2002/4

Y1 - 2002/4

N2 - Semiconductor Raman amplifiers are useful for frequency selection in terahertz bandwidth and wavelength division multiplexing (WDM) systems with terabit capacity, as well as direct terabit optical communication systems. We have developed GaP-AlGaP Raman waveguides with micrometer-size cross sections. We have reduced residual optical loss of the waveguide by improvement of the fabrication process and realized a low-loss waveguide that is 10-mm long, which has a continuous wave (CW) Raman gain of 3.7 dB. Also, the time-gated amplification with 80-ps pulse pumping is performed and 20-dB gain is obtained. These performances are very suitable for light frequency selection in terahertz bandwidth and WDM optical communication systems.

AB - Semiconductor Raman amplifiers are useful for frequency selection in terahertz bandwidth and wavelength division multiplexing (WDM) systems with terabit capacity, as well as direct terabit optical communication systems. We have developed GaP-AlGaP Raman waveguides with micrometer-size cross sections. We have reduced residual optical loss of the waveguide by improvement of the fabrication process and realized a low-loss waveguide that is 10-mm long, which has a continuous wave (CW) Raman gain of 3.7 dB. Also, the time-gated amplification with 80-ps pulse pumping is performed and 20-dB gain is obtained. These performances are very suitable for light frequency selection in terahertz bandwidth and WDM optical communication systems.

KW - GaP

KW - Raman amplifier

KW - Raman laser

KW - Semiconductor waveguide

KW - Terabit

KW - Terahertz bandwidth

KW - Wavelength division multiplexing (WDM)

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Semiconductor Raman amplifier for terahertz bandwidth optical communication

Abstract

Keywords

ASJC Scopus subject areas

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