Optimisation of flared semiconductor lasers and MOPAs

A. Kent, P. Skovgaard, J. McInerney, J. Moloney, R. Indik, C. Ning
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Abstract

Semiconductor lasers which emit several watts into a single diffraction-limited lobe are extremely promising for a large range of applications such as free-space communication and pumping of fibre lasers and amplifiers. To date the most successful of these have been flared oscillators [1] and master oscillator-power amplifier (MOPA) [2] devices. Both classes of device are limited by filamentation, transverse beam instabilities and. in the case of the MOPA. reflection induced noise.
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燃烧半导体激光器和mopa的优化
在自由空间通信和光纤激光器和放大器的泵浦等大范围应用中,半导体激光器向单个衍射限制瓣发射数瓦的功率是非常有前途的。迄今为止,其中最成功的是喇叭振荡器[1]和主振荡器功率放大器(MOPA)[2]设备。这两类器件都受限于成丝、横向光束不稳定性和。在MOPA的案例中。反射噪声。
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