Measurement of linewidth and FM-noise spectrum of 1.52 μm InGaAsP lasers

21 June 1984

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 20 (13) , 535-536
https://doi.org/10.1049/el:19840371

Abstract

The linewidth of 1.52 μm InGaAsP lasers was measured as a function of the output power. The result shows that the linewidth is about 15 MHz when the output power is 1 mW. The FM-noise spectrum was also measured in the frequency range from 10 Hz to 100 MHz. The measured spectrum consists of the 1/f-noise and white-noise components. The linewidth calculated from the FM-noise spectrum is in good agreement with the measured value.

Keywords

LINEWIDTH MEASUREMENT
WAVELENGTH 1.52 MICRON
SEMICONDUCTOR LASERS
OUTPUT POWER
OPTICAL NOISE MEASUREMENT
III-V SEMICONDUCTORS
FM-NOISE SPECTRUM
WHITE-NOISE
INGAASP LASERS
1/F-NOISE
FREQUENCY RANGE 10 HZ TO 100 MHZ

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