NDLI: Wavelength dependence of 1/f noise in the light output of laser diodes: an experimental study

Content Provider	IEEE Xplore Digital Library
Author	Fronen, R.J.
Copyright Year	1965
Abstract	The optical power emitted by a monomode GaAlAs laser is filtered with a monochromator. The 1/f noise in the filtered emission is found to be directly dependent on the noncoherent emission, such as S/sub p/ alpha P/sub nc//sup m/. Here s/sub p/ is the spectral density of the 1/f fluctuations, P/sub nc/ is the average noncoherent power, m=3/2 under spontaneous emission, and m=4 in the superradiation and laser regions. Study of the 1/f noise in the optical power in a band centered at the laser wavelength and with variable bandwidth shows three operating regions. (1) LED region (at low currents): the fluctuations with a 1/f spectrum are uncorrelated in wavelength. (2) Superradiation region (at currents close to the threshold): the fluctuations are correlated. (3) Laser region: the 1/f noise apparently is dominated by noncoherent emission within a small optical band around the laser wavelength.<>
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	1742
Ending Page	1746
Page Count	5
File Size	468560
File Format	PDF
ISSN	00189197
Volume Number	26
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1990-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Diode lasers Optical noise Laser noise Stimulated emission Optical filters Fluctuations Power lasers Laser transitions Laser modes Noise measurement
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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