Characteristics of Multistage Monolithically Integrated Master Oscillator Power Amplifiers

David Mehuys, Ross Parke, Robert G. Waarts, David F. Welch, Amos Hardy, Donald R. Scifres, William Streifer

Research output: Contribution to journalArticlepeer-review

Abstract

Monolithically integrated master oscillator power amplifiers (M-MOPA’s) have been 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. in addition, diffraction-limited performance has been demonstrated to output powers of320 mW.

Original languageEnglish
Pages (from-to)1574-1581
Number of pages8
JournalIEEE Journal of Quantum Electronics
Volume27
Issue number6
DOIs
StatePublished - 1991
Externally publishedYes

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