Inhibited and Enhanced Spontaneous Emission Using Silicon-Based on Finite Thickness Photonic Crystal Waveguides

Abstract:

Inhibited and enhanced spontaneous emission of light is essential to quantum optics in design and development of high efficiency optical devices which are useful to security optical communication system. Thus, we performed to develop an efficient single photon source by controlling inhibited or enhanced spontaneous emission of the photon using silicon-based honeycomb lattice patterned finite thickness photonic crystal waveguide. A quantum dot embedded in planar photonic crystal membrane waveguide is the light source. The honeycomb lattice of circular air holes on silicon plate is simulated to obtain large completely photonic band gaps. This significant property shows the potential applied guide modes of photonic crystal membrane for controlling inhibited or enhanced spontaneous emission between the quantum dots and the photonic crystal waveguide. Significantly, this work is oriented to produce the novel single photon sources which can emit one photon at a time for the quantum optical security network with single photon state. In addition to the honeycomb lattice can easily be made on a Si on insulator (SOI) wafer.

• Periodical: Advanced Materials Research (Volumes 418-420)
• Pages: 436-440
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.418-420.436
• Online since: December 2011
• Authors: Wichasirikul Amorntep, Pijitrojana Wanchai
• Keywords: Honeycomb Lattice, Inhibition and Enhancement, Optical Material, Photonic Crystal Waveguide, Quantum Key Distribution, Spontaneous Emission

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