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

2011 ◽  
Vol 418-420 ◽  
pp. 436-440
Author(s):  
Wichasirikul Amorntep ◽  
Pijitrojana Wanchai

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.

Nanophotonics ◽  
2019 ◽  
Vol 9 (8) ◽  
pp. 2377-2385 ◽  
Author(s):  
Zhao Cheng ◽  
Xiaolong Zhu ◽  
Michael Galili ◽  
Lars Hagedorn Frandsen ◽  
Hao Hu ◽  
...  

AbstractGraphene has been widely used in silicon-based optical modulators for its ultra-broadband light absorption and ultrafast optoelectronic response. By incorporating graphene and slow-light silicon photonic crystal waveguide (PhCW), here we propose and experimentally demonstrate a unique double-layer graphene electro-absorption modulator in telecommunication applications. The modulator exhibits a modulation depth of 0.5 dB/μm with a bandwidth of 13.6 GHz, while graphene coverage length is only 1.2 μm in simulations. We also fabricated the graphene modulator on silicon platform, and the device achieved a modulation bandwidth at 12 GHz. The proposed graphene-PhCW modulator may have potentials in the applications of on-chip interconnections.


2012 ◽  
Vol 20 (27) ◽  
pp. 28614 ◽  
Author(s):  
Andre Schwagmann ◽  
Sokratis Kalliakos ◽  
David J. P. Ellis ◽  
Ian Farrer ◽  
Jonathan P. Griffiths ◽  
...  

Optica ◽  
2017 ◽  
Vol 4 (2) ◽  
pp. 178 ◽  
Author(s):  
Raphaël S. Daveau ◽  
Krishna C. Balram ◽  
Tommaso Pregnolato ◽  
Jin Liu ◽  
Eun H. Lee ◽  
...  

2016 ◽  
Vol 368 ◽  
pp. 7-11 ◽  
Author(s):  
Bin Liu ◽  
Yun-Feng Liu ◽  
Shu-Jing Li ◽  
Xing-Dao He

2013 ◽  
Vol 717 ◽  
pp. 153-157
Author(s):  
W. Amorntep ◽  
P. Wanchai

A guided mode of positive and negative group index structure is essential to quantum optics for design and development of high efficiency optical devices which are useful to security optical communication system and to diverse applications such as Optical Time-Division-Multiplexing, Optical Switch, Laser, LED, Entangled Photon Source and Single Photon Source. Thus, we proposed to develop an efficient photon emission along line defect of two-dimensional honeycomb photonic crystal waveguide in the silicon slab. The honeycomb lattice of circular air holes on a silicon plate is simulated to obtain two nearest guided modes between positive and negative group index regimes. This significant property shows the potential applied guided modes of photonic crystal waveguide enhancing spontaneous emission for controlling photon emission between two resonance frequencies. Significantly, this work is oriented to produce the novel optical devices for control photon emission in the optical communication system. In addition to the honeycomb lattice, it can easily be made on a Si on insulator (SOI) wafer.


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