Spectral Properties of an AlGaAs MOPA Laser Under Large Signal Modulation of the Oscillator or the Amplifier

M. Krainak, D. Cornwell, Valerie Dutto, A. Yu, S. O’Brien
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引用次数: 1

Abstract

In this paper, we report on the optical spectrum characteristics of a modulated, high power (> 1 W average), monolithic flared amplifier master oscillator power amplifier (MFA-MOPA) laser. The CW performance of this laser is presented in Reference 1. The master oscillator (MO) is a distributed Bragg reflector (DBR) laser operating in a single longitudinal mode under CW operation. The power amplifier (PA) is monolithically integrated with the MO and has a tapered gain region. The laser was capable of delivering over 1 W of CW power with the MO biased at 140 mA and the PA biased at 4.0 A at operating temperature of 15°C. The MFA-MOPA can be tuned with temperature at a rate of 0.07 nm/°C. The instantaneous CW linewidth of the laser was measured to be 300 MHz (0.74 pm).
大信号调制下AlGaAs MOPA激光器的光谱特性
本文报道了一种调制高功率(平均> 1w)单片喇叭放大器主振荡功率放大器(MFA-MOPA)激光器的光谱特性。该激光器的连续波性能见文献1。主振荡器(MO)是一种在连续波工作下以单纵模工作的分布式布拉格反射器(DBR)激光器。功率放大器(PA)与MO单片集成,并具有锥形增益区域。在15°C的工作温度下,该激光器能够提供超过1 W的连续功率,其中MO偏置为140 mA, PA偏置为4.0 A。MFA-MOPA可以在0.07 nm/°C的速率下随温度调谐。测得激光瞬时连续波线宽为300 MHz (0.74 pm)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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