Abstract
Single-mode erbium fiber lasers are currently a strong candidate for communication sources. To date narrow-linewidth, wavelength tunable, continuous wave, linear, erbium fiber lasers, which utilize intracore Bragg reflectors, have been shown to yield bandwidths in the tens of kHz, and output powers of 4-5 mW.1 In addition, with the rapid development and commercialization of erbium-doped fiber amplifiers and their related components, markets are opening which will make erbium fiber lasers economically feasible to the point where they will compete with the DFB laser diode sources. This paper reports on a novel distributed fiber Bragg reflector (DFBR) master oscillator-power amplifier (MOPA) fiber laser constructed entirely in a single erbium fiber. The benefits of such a construction are found in increased output power, increased system efficiency, and the ability to multiplex multiple tunable wavelength sources in a single fiber.
© 1992 Optical Society of America
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