Photonic Crystal with Advanced Micro/Nano-Structures : Quantum Dots and MEMS(<Special Section>Photonic Crystals and Their Device Applications)
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概要
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We discuss photonic crystals (PhCs) with advanced micro/nano-structres which are semiconductor quantum dots (QDs) and micro electro-mechanical systems (MEMS) for the purpose of realizing novel classes of PhC devices in future photonic network system. After brief introduction on advantages to implement QDs and MEMS with PhCs, we discuss optical characterization of PhC microcavity containing selfassembled InAs QDs. Modification of emission spectrum of a QD ensemble due to the resonant cavity modes is demonstrated. We also point out the feasibility of low-threshold PhC lasers with QD active media in numerical analysis. A very low threshold current of 〜10μA is numerically obtained for lasing action in the multi dimensional distributed feedback mode by using realistic material parameters. Then, the basic concept for MEMS-controlled PhC slab devices is described. We show numerical results that demonstrate some of interesting functions such as the intensity modulation and the tuning of resonant frequency of cavity mode. Finally, a preliminary experiment of MEMS-based switching operation in a PhC line-defect waveguide is demonstrated.
- 社団法人電子情報通信学会の論文
- 2004-03-01
著者
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Arakawa Y
Nanoelectronics Collaborative Research Center Iis And Rcast The University Of Tokyo
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Arakawa Yasuhiko
Nanoelectronics Collaborative Research Center (ncrc) Institute Of Industrial Science (iis) The Unive
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Iwamoto S
Nanoelectronics Collaborative Research Center Iis And Rcast The University Of Tokyo
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IWAMOTO Satoshi
Nanoelectronics Collaborative Research Center, IIS, and RCAST, The University of Tokyo
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