An all-optical amplifier for terahertz AM signals: A proposal

We propose an all-optical amplifier for AM signals which, in principle, is an integrated Mach-Zehnder interferometer where both arms are pumped with light from the incoming signal, amplified in a semiconductor laser amplifier. Thus the pump is the time integrated phase and amplitude average of the s...

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Bibliographic Details
Published inJournal of lightwave technology Vol. 5; no. 2; pp. 236 - 242
Main Authors Manneberg, G., Kull, M., Lindquist, S.
Format Journal Article
LanguageEnglish
Published New York, NY IEEE 01.02.1987
Institute of Electrical and Electronics Engineers
Subjects
Applied sciences
Arm
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Laser excitation
Miscellaneous
Nonlinear optics
Optical amplifiers
Optical and optoelectronic circuits
Optical interferometry
Optical modulation
Optical pumping
Proposals
Semiconductor optical amplifiers
Stimulated emission
Integrated optics
Mach Zehnder interferometer
Modulated signal
Optical amplifier
Amplitude modulation
All optical circuit
Semiconductor laser
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Summary:We propose an all-optical amplifier for AM signals which, in principle, is an integrated Mach-Zehnder interferometer where both arms are pumped with light from the incoming signal, amplified in a semiconductor laser amplifier. Thus the pump is the time integrated phase and amplitude average of the signal. In one of the arms a part of the nonamplified signal is injected, which modulates the optical path length in that arm with the optical Kerr effect. After the final junction between the arms, the outgoing light is proved to carry a part of the amplitude of the pump and the modulation of the signal.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.1987.1075489