Characteristics of multistage monolithically integrated master oscillator power amplifiers

Monolithically integrated master oscillator power amplifiers (M-MOPAs) are characterized both theoretically and experimentally. A self-consistent amplifier analysis is used to calculate the guided-mode amplified signal and amplified spontaneous emission noise powers traveling within a multiple-stage...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 1991-06, Vol.27 (6), p.1574-1581
Main Authors: Mehuys, D., Parke, R., Waarts, R.G., Welch, D.F., Hardy, A., Streifer, W., Scifres, D.R.
Format: Article
Language:English
Subjects:
Couplers
Distributed Bragg reflectors
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Gratings
High power amplifiers
Lasers
Optical amplifiers
Optical variables control
Optics
Oscillators
Physics
Power amplifiers
Power generation
Semiconductor lasers
laser diodes
Semiconductor optical amplifiers
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Summary:Monolithically integrated master oscillator power amplifiers (M-MOPAs) are characterized both theoretically and experimentally. A self-consistent amplifier analysis is used to calculate the guided-mode amplified signal and amplified spontaneous emission noise powers traveling within a multiple-stage single-pass amplifier. Within a few amplifier stages, the signal power stabilizes at a level determined by the transmission between stages. Light output versus current and near-field and far-field patterns are calculated for an M-MOPA with detuned grating output couplers between stages and are compared to experiments. Coherent output powers in excess of 1 W are calculated and experimentally verified. Diffraction-limited performance has been demonstrated to output powers of 320 mW.< >
ISSN:0018-9197
1558-1713
DOI:10.1109/3.89980