Title :
Realizing quantum controlled phase-flip gate through quantum dot in silicon photonic crystal waveguide
Author :
Gao, Jie ; Sun, Fangwen ; Yang, Xiaodong ; Wong, Chee Wei
Author_Institution :
Opt. Nanostruct. Lab., Columbia Univ., New York, NY
Abstract :
Scheme to realize controlled phase gate through single quantum dot in slow-light silicon photonic crystal waveguide is proposed. Enhanced Purcell factor and beta-factor lead to high gate fidelity over broadband frequencies compared to cavity-assisted system.
Keywords :
elemental semiconductors; integrated optoelectronics; optical control; optical logic; optical materials; optical waveguides; photonic crystals; quantum gates; semiconductor quantum dots; silicon; Purcell factor; Si; beta-factor; quantum controlled phase-flip gate; semiconductor quantum dot; slow-light silicon photonic crystal waveguide; Frequency; Optical control; Optical waveguides; Photonic crystals; Quantum computing; Quantum dots; Reflection; Resonance; Silicon; Spontaneous emission; (130.5296) Photonic crystal waveguides; (270.5585) Quantum information and processing;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
