Master-oscillator grating coupled power amplifier with angled amplifier section
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United States of America Patent
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Oct 1, 2002
Grant Date -
N/A
app pub date -
Apr 10, 2000
filing date -
May 10, 1999
priority date (Note) -
Expired
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Abstract
An apparatus includes a single-mode master-oscillator section and a power amplifier section. The single-mode master-oscillator section includes a waveguide defined by a first end and a second end, the first end including a first distributed Bragg reflector mirror, and the second end including a second distributed Bragg reflector mirror. The single-mode-master-oscillator section also has a first longitudinal axis. The power amplifier section is a broad-contact amplifier coupled to the single-mode-master-oscillator section by a coupling grating that is contained in the waveguide of the single-mode-master-oscillator section. The broad contact amplifier section includes a reflection side, an output side and a second longitudinal axis, the second longitudinal axis being at an angle approximately (90.degree.-.beta.) to said first longitudinal axis, .beta. being in a range between 0.degree. and approximately 20.degree..
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