论文信息 - Demonstration of transverse-magnetic dominant gain in quantum dot semiconductor optical amplifiers

Demonstration of transverse-magnetic dominant gain in quantum dot semiconductor optical amplifiers

We demonstrated transverse-magnetic (TM)-mode dominated gain at the 1.5μm wavelength in semiconductor optical amplifiers (SOAs) with columnar quantum dots (QDs). We show that we can control the polarization dependence of optical gain in QD-SOAs by changing the height and tensile-strained barrier of columnar QDs. The TM mode gain is 17.3dB and a gain of over 10dB was attained over a wide wavelength range of 200nm. The saturation output power is 19.5dBm at 1.55μm.

[1] Sanguan Anantathanasarn,et al. Stacking and polarization control of wavelength-tunable (1.55 mum region) InAs/InGaAsP/InP (100) quantum dots , 2006 .

[2] Mitsuru Sugawara,et al. Polarization-Independent Photoluminescence from Columnar InAs/GaAs Self-Assembled Quantum Dots , 2002 .

[3] Tomoyuki Akiyama,et al. Control of optical polarization anisotropy in edge emitting luminescence of InAs/GaAs self-assembled quantum dots , 2004 .

[4] Yasuhiko Arakawa,et al. Controlling Polarization of 1.55-µm Columnar InAs Quantum Dots with Highly Tensile-Strained InGaAsP Barriers on InP(001) , 2006 .

[5] Yasuhiko Arakawa,et al. Internal Strain of Self-Assembled InxGa1-xAs Quantum Dots Calculated to Realize Transverse-Magnetic-Mode-Sensitive Interband Optical Transition at Wavelengths of 1.5 µm bands , 2005 .

[6] Yasuhiko Arakawa,et al. 1.3–1.6 µm broadband polarization‐independent luminescence by columnar InAs quantum dots on InP(001) , 2006 .

[7] Mitsuru Sugawara,et al. Artificial control of optical gain polarization by stacking quantum dot layers , 2006 .

[8] Y. Arakawa,et al. Theory of optical signal amplification and processing by quantum-dot semiconductor optical amplifiers , 2004 .

[9] Y. Arakawa,et al. An ultrawide-band semiconductor optical amplifier having an extremely high penalty-free output power of 23 dBm achieved with quantum dots , 2005, IEEE Photonics Technology Letters.