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  • Semiconductor Optical Amplifier (SOA)
    through the device in order to excite electrons which can then fall back to the non-excited ground state and give out photons. Incoming optical signal stimulates emission of light at its own wavelength. SOA can be classified into two groups, Fabry-Perot Amplifiers (FPA) and Traveling Wave Amplifiers
  • Laser Diodes and Pigtailing
    the telecom wavelength band. Isolation is typically 40 dB with single-stage or 55 dB with a double-stage isolator. Fabry-Perot Modulation. Any two optical surfaces can form a Fabry-Perot cavity which would cause spectral modulation. When surface reflection is high enough, modulation amplitude can reach
  • Power Stabilization of the Dual-Mode Laser Using Volume Holographic Gratings (.pdf)
    modes. with highest gains near its peak transmission. Two modes near. this peak with 100-GHz separation were selected by combining. two solid Fabry­Perot etalons (. and. ) with a free spectral. range (FSR) of 100 and 10 GHz, respectively (see Fig. 3). In the. figure, where the transmission peaks

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