Extended transmission reach using optical filtering of frequency-modulated widely tunable ssg-dbr laser

S. Matsuo; T. Kakitsuka; T. Segawa; N. Fujiwara; Y. Shibata; H. Oohashi; H. Yasaka; H. Suzuki

doi:10.1109/LPT.2007.915634

Extended transmission reach using optical filtering of frequency-modulated widely tunable ssg-dbr laser

S. Matsuo, T. Kakitsuka, T. Segawa, N. Fujiwara, Y. Shibata, H. Oohashi, H. Yasaka, H. Suzuki

Research output: Contribution to journal › Article

18 Citations (Scopus)

Abstract

We propose a novel transmitter consisting of a frequency-modulated widely tunable super-structure-grating distributed Bragg reflector (SSG-DBR) laser and an optical filter. The SSG-DBR laser acts as a frequency modulating light source with a constant output power by modulating the reverse bias voltage in the phase control (PC) region. By optically filtering the output light from the frequency-modulated laser, we have demonstrated 60-and 180-km transmissions for 20-and 10-Gb/s nonreturn-to-zero (NRZ) signals, respectively. The power penalty was 2.2 dB after the 180-km transmission of a 10-Gb/s NRZ signal as determined by bit-error-rate measurements. Furthermore, an extended transmission reach was achieved with a wide tuning range without controlling the bias and modulating voltages in the PC region.

Original language	English
Pages (from-to)	294-296
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	20
Issue number	4
DOIs	https://doi.org/10.1109/LPT.2007.915634
Publication status	Published - 2008 Feb 15
Externally published	Yes

Keywords

Directly modulated laser
Frequency-modulated laser
Optical filter
Optical minimum-shift keying (OMSK)
Super-structure grating (SSG)
Widely tunable laser

ASJC Scopus subject areas

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

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Matsuo, S., Kakitsuka, T., Segawa, T., Fujiwara, N., Shibata, Y., Oohashi, H., Yasaka, H., & Suzuki, H. (2008). Extended transmission reach using optical filtering of frequency-modulated widely tunable ssg-dbr laser. IEEE Photonics Technology Letters, 20(4), 294-296. https://doi.org/10.1109/LPT.2007.915634

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title = "Extended transmission reach using optical filtering of frequency-modulated widely tunable ssg-dbr laser",

abstract = "We propose a novel transmitter consisting of a frequency-modulated widely tunable super-structure-grating distributed Bragg reflector (SSG-DBR) laser and an optical filter. The SSG-DBR laser acts as a frequency modulating light source with a constant output power by modulating the reverse bias voltage in the phase control (PC) region. By optically filtering the output light from the frequency-modulated laser, we have demonstrated 60-and 180-km transmissions for 20-and 10-Gb/s nonreturn-to-zero (NRZ) signals, respectively. The power penalty was 2.2 dB after the 180-km transmission of a 10-Gb/s NRZ signal as determined by bit-error-rate measurements. Furthermore, an extended transmission reach was achieved with a wide tuning range without controlling the bias and modulating voltages in the PC region.",

keywords = "Directly modulated laser, Frequency-modulated laser, Optical filter, Optical minimum-shift keying (OMSK), Super-structure grating (SSG), Widely tunable laser",

author = "S. Matsuo and T. Kakitsuka and T. Segawa and N. Fujiwara and Y. Shibata and H. Oohashi and H. Yasaka and H. Suzuki",

year = "2008",

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AU - Matsuo, S.

AU - Kakitsuka, T.

AU - Segawa, T.

AU - Fujiwara, N.

AU - Shibata, Y.

AU - Oohashi, H.

AU - Yasaka, H.

AU - Suzuki, H.

PY - 2008/2/15

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AB - We propose a novel transmitter consisting of a frequency-modulated widely tunable super-structure-grating distributed Bragg reflector (SSG-DBR) laser and an optical filter. The SSG-DBR laser acts as a frequency modulating light source with a constant output power by modulating the reverse bias voltage in the phase control (PC) region. By optically filtering the output light from the frequency-modulated laser, we have demonstrated 60-and 180-km transmissions for 20-and 10-Gb/s nonreturn-to-zero (NRZ) signals, respectively. The power penalty was 2.2 dB after the 180-km transmission of a 10-Gb/s NRZ signal as determined by bit-error-rate measurements. Furthermore, an extended transmission reach was achieved with a wide tuning range without controlling the bias and modulating voltages in the PC region.

KW - Directly modulated laser

KW - Frequency-modulated laser

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KW - Optical minimum-shift keying (OMSK)

KW - Super-structure grating (SSG)

KW - Widely tunable laser

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