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Resonance Modes in InAs/InGaAlAs/InP Quantum Dot Microdisk Resonators

机译:INAS / INGAALAS / INP量子点微仪谐振器的共振模式

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Quantum dots (QDs) can provide an efficient mechanism for stimulated emission in active region of micro-resonator lasers. Active-microdisk resonators offer great advantage in obtaining stimulated emission in small volume (1) since they support whispering-gallery modes (WGMs), which are very confined resonances with maximum intensity near the disk edge (2). Microdisks are shown to produce a high quality factor Q (3) which may consequently lead to low laser thresholds. High-quality self-assembled QD lasers based on InAs/GaAs (4,5) and InAs/InP (6-8) have been demonstrated. InAs QD's on InP substrates have been shown to emit in the wavelength range of 1200-2000 nm with high efficiency (9-11), but the best results reported on InAs/InP QD lasers are limited to either optical pumping or pulsed current injection operation at room
机译:量子点(QDS)可以提供微谐振器激光器的有源区域中受激发射的有效机制。活性微仪谐振器在获得小体积(1)中获得受刺激的发射,因为它们支持潜智廊模式(WGM),这是非常受限的谐振,其在磁盘边缘(2)附近最大强度。示出了微小微小程度以产生高质量因子Q(3),从而导致低激光阈值。已经证明了基于INAS / GAAs(4,5)和INAS / INP(6-8)的高质量自组装QD激光器。在INAS QD上的INP基板中已经显示出在1200-2000nm的波长范围内发射高效率(9-11),但在INAS / INP QD激光器上报告的最佳结果仅限于光学泵浦或脉冲电流注入操作。在房间里

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