Optical Characterization of Cadmium Telluride Doped Heterostructured Opaline Photonic Crystal

2001 ◽  
Vol 708 ◽  
Author(s):  
V. G. Solovyev ◽  
S.G. Romanov ◽  
C.M. Sotomayor Torres ◽  
N. Gaponik ◽  
A. Eychmüller ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Emission Intensity ◽  
Emission Rate ◽  
Photonic Band Gap ◽  
Stop Band ◽  
Optical Characterization ◽  
Excitation Power ◽  
Successive Formation ◽  
Photonic Band

ABSTRACTA double-layer photonic crystal (PhC) possessing incomplete photonic band gap (PBG) has been prepared by successive formation of one opaline film on top of another and subsequent impregnation with CdTe colloidal nanocrystals as the light source. Transmission, reflection and photoluminescence (PL) spectra of this nanocomposite have been measured from 1.8 to 2.5 eV at different angles of the light incidence and detection. The suppression of emission intensity has been found at both stop bands of the PhC heterostructure. Depending on the excitation power, either suppression or enhancement of the emission rate at the stop band has been observed.

Optical Characterization of Cadmium Telluride Doped Heterostructured Opaline Photonic Crystal

2001 ◽  
Vol 694 ◽  
Author(s):  
V. G. Solovyev ◽  
S.G. Romanov ◽  
C.M. Sotomayor Torres ◽  
N. Gaponik ◽  
A. Eychmüller ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Emission Intensity ◽  
Emission Rate ◽  
Photonic Band Gap ◽  
Stop Band ◽  
Optical Characterization ◽  
Excitation Power ◽  
Successive Formation ◽  
Photonic Band

AbstractA double-layer photonic crystal (PhC) possessing incomplete photonic band gap (PBG) has been prepared by successive formation of one opaline film on top of another and subsequent impregnation with CdTe colloidal nanocrystals as the light source. Transmission, reflection and photoluminescence (PL) spectra of this nanocomposite have been measured from 1.8 to 2.5 eV at different angles of the light incidence and detection. The suppression of emission intensity has been found at both stop bands of the PhC heterostructure. Depending on the excitation power, either suppression or enhancement of the emission rate at the stop band has been observed.

Optical Characterization of Cadmium Telluride Doped Heterostructured Opaline Photonic Crystal

2001 ◽  
Vol 707 ◽  
Author(s):  
V. G. Solovyev ◽  
S.G. Romanov ◽  
C.M. Sotomayor Torres ◽  
N. Gaponik ◽  
A. Eychmüller ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Emission Intensity ◽  
Emission Rate ◽  
Photonic Band Gap ◽  
Stop Band ◽  
Optical Characterization ◽  
Excitation Power ◽  
Successive Formation ◽  
Photonic Band

ABSTRACTA double-layer photonic crystal (PhC) possessing incomplete photonic band gap (PBG) has been prepared by successive formation of one opaline film on top of another and subsequent impregnation with CdTe colloidal nanocrystals as the light source. Transmission, reflection and photoluminescence (PL) spectra of this nanocomposite have been measured from 1.8 to 2.5 eV at different angles of the light incidence and detection. The suppression of emission intensity has been found at both stop bands of the PhC heterostructure. Depending on the excitation power, either suppression or enhancement of the emission rate at the stop band has been observed.

Transmission Characterization of Drilled Alternating-Layer Three-Dimensional Photonic Crystals

2001 ◽  
Vol 692 ◽  
Author(s):  
Eiichi Kuramochi ◽  
Masaya Notomi ◽  
Itaru Yokohama ◽  
Jun-ichi Takahashi ◽  
Chiharu Takahashi ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Cyclotron Resonance ◽  
Electron Cyclotron Resonance ◽  
Light Transmission ◽  
Photonic Band Gap ◽  
Three Dimensional ◽  
Dielectric Films ◽  
Transmission Minimum ◽  
Photonic Band

AbstractWe propose a new three-dimensional photonic crystal structure or drilled alternating-layer photonic crystal (DALPC), which can be fabricated by a combination of the deposition of alternating layers of dielectric films and one-time dry etching. Our band calculation predicts that the DALPC has a photonic band gap (PBG) in all directions. We fabricated a Si/SiO2DALPC by electron beam lithography, bias sputtering, and fluoride-gas electron cyclotron resonance etching. We measured the light transmission of the DALPC sample in both the in-plane and vertical directions. We observed a transmission minimum around the 1.4-μm-wavelength for all measured directions and TE/TM polarizations, which demonstrated a potential of the DALPC as a three-dimensional PBG material.

Synthesis and photonic band gap characterization of high quality photonic crystal heterostructures

Optik ◽  
2011 ◽  
Vol 122 (1) ◽  
pp. 9-13 ◽  
Author(s):  
G.Q. Liu ◽  
H.H. Hu ◽  
Y.B. Liao ◽  
Z.S. Wang ◽  
Y. Chen ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Band Gap ◽  
Photonic Band Gap ◽  
High Quality ◽  
Photonic Crystal Heterostructures ◽  
Photonic Band

Transmission Characterization of Drilled Alternating-Layer Three-Dimensional Photonic Crystals

2001 ◽  
Vol 694 ◽  
Author(s):  
Eiichi Kuramochi ◽  
Masaya Notomi ◽  
Itaru Yokohama ◽  
Jun-ichi Takahashi ◽  
Chiharu Takahashi ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Cyclotron Resonance ◽  
Electron Cyclotron Resonance ◽  
Light Transmission ◽  
Photonic Band Gap ◽  
Three Dimensional ◽  
Dielectric Films ◽  
Transmission Minimum ◽  
Photonic Band

AbstractWe propose a new three-dimensional photonic crystal structure or drilled alternating-layer photonic crystal (DALPC), which can be fabricated by a combination of the deposition of alternating layers of dielectric films and one-time dry etching. Our band calculation predicts that the DALPC has a photonic band gap (PBG) in all directions. We fabricated a Si/SiO2 DALPC by electron beam lithography, bias sputtering, and fluoride-gas electron cyclotron resonance etching. We measured the light transmission of the DALPC sample in both the in-plane and vertical directions. We observed a transmission minimum around the 1.4-µm-wavelength for all measured directions and TE/TM polarizations, which demonstrated a potential of the DALPC as a three-dimensional PBG material.

3-Dimensional Photonic Crystals at Optical Wavelengths

1998 ◽  
Vol 07 (02) ◽  
pp. 181-200 ◽  
Author(s):  
S. G. Romanov
Keyword(s):  
Photonic Crystals ◽  
Band Gap ◽  
Photonic Band Gap ◽  
Stop Band ◽  
High Refractive Index ◽  
3 Dimensional ◽  
Optical Wavelength ◽  
Photonic Band Gap Materials ◽  
Optical Wavelengths ◽  
Photonic Band

Different experimental strategies towards the 3-dimensional photonic crystals operating at optical wavelength are classified. The detailed discussion is devoted to the recent progress in photonic crystals fabricated by template method — the photonic band gap materials on the base of opal. The control of photonic properties of opal-based gratings is achieved through impregnating the opal with high refractive index semiconductors and dielectrics. Experimental study demonstrated the dependence of the stop band behaviour upon the type of impregnation (complete or partial) and showed a way for approaching complete photonic band gap. The photoluminescence from opal- semiconductor gratings revealed suppression of spontaneous emission in the gap region with following enhancement of the emission efficiency at the low-energy edge of the gap.

Omnidirectional photonic band gap in magnetron sputtered TiO2/SiO2 one dimensional photonic crystal

2016 ◽  
Vol 599 ◽  
pp. 138-144 ◽  
Author(s):  
S. Jena ◽  
R.B. Tokas ◽  
P. Sarkar ◽  
J.S. Misal ◽  
S. Maidul Haque ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Band Gap ◽  
Photonic Band Gap ◽  
One Dimensional ◽  
Dimensional Photonic Crystal ◽  
Omnidirectional Photonic Band Gap ◽  
Photonic Band

Wide Stop Band Optical Filters from Photonic Band Gap Air Bridges

1995 ◽  
pp. 477-483 ◽  
Author(s):  
J. C. Chen ◽  
H. A. Haus ◽  
J. N. Winn ◽  
S. Fan ◽  
J. D. Joannopoulos
Keyword(s):  
Band Gap ◽  
Photonic Band Gap ◽  
Stop Band ◽  
Optical Filters ◽  
Photonic Band
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