Modal Gain Measurements in a Fiber Bragg Grating Stabilized Laser Module for Erbium-doped Fiber Amplifiers

Hans Joerg Troger; Andy Carter

doi:10.1364/OFC.2009.OTuH6

Optical Fiber Communication Conference and National Fiber Optic Engineers Conference
OSA Technical Digest (CD) (Optica Publishing Group, 2009),
paper OTuH6
•https://doi.org/10.1364/OFC.2009.OTuH6

Modal Gain Measurements in a Fiber Bragg Grating Stabilized Laser Module for Erbium-doped Fiber Amplifiers

Hans Joerg Troger and Andy Carter

Optical Fiber Communication Conference 2009

San Diego, California United States
22–26 March 2009
ISBN: 978-1-55752-865-0

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Optical Amplifiers (OTuH)

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H. J. Troger and A. Carter, "Modal Gain Measurements in a Fiber Bragg Grating Stabilized Laser Module for Erbium-doped Fiber Amplifiers," in Optical Fiber Communication Conference and National Fiber Optic Engineers Conference, OSA Technical Digest (CD) (Optica Publishing Group, 2009), paper OTuH6.

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Abstract

Novel modal gain spectral measurements are presented in an EDFA 980 nm diode laser pump module with a fiber Bragg grating (FBG) that provides wavelength-selective optical feedback. Measurements are shown at several device temperatures and injection currents. Gain clamping is observed at the wavelength of the FBG and the wavelength of the free-running laser, depending on the device current and the spectral detuning between the laser and the FBG. The paper provides key experimental evidence for the basic theory of the locking range.

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