![IOSR Journal of Applied Physics (IOSR-JAP) e-ISSN: 2278-4861.](http://s1.studyres.com/store/data/008539225_1-1dd67e652d67af123d3469c8d0ab0622-300x300.png)
IOSR Journal of Applied Physics (IOSR-JAP) e-ISSN: 2278-4861.
... wavelengths of 1.3 μm and 1.6 μm. Silicon also has high thermal coefficient (~2E-4)[11] which is not suitable for high speed operation of modulators. Recently, it has been shown that strained silicon (Ge/SiGe) structures have strong electro-optic effect due to quantum-confined Stark effect[12] makin ...
... wavelengths of 1.3 μm and 1.6 μm. Silicon also has high thermal coefficient (~2E-4)[11] which is not suitable for high speed operation of modulators. Recently, it has been shown that strained silicon (Ge/SiGe) structures have strong electro-optic effect due to quantum-confined Stark effect[12] makin ...
Full-text PDF - Research School of Physics and Engineering
... For temporal solitons in optical fibers, nonlinear effects are usually weak and the model based on the cubic NLS equation and its deformations is valid in most of the cases [11]. Therefore, being described by integrable or nearly integrable models, solitons are always stable, or their dynamics can b ...
... For temporal solitons in optical fibers, nonlinear effects are usually weak and the model based on the cubic NLS equation and its deformations is valid in most of the cases [11]. Therefore, being described by integrable or nearly integrable models, solitons are always stable, or their dynamics can b ...
Effect of spatial distribution of partial information on the accurate
... Now, notice that knowing the signal completely in one domain is equivalent to knowing it in all domains, since simple discrete fractional Fourier transformation allows us to compute the signal in any domain from that in any other. Physically this corresponds to the fact that knowing a wave field ful ...
... Now, notice that knowing the signal completely in one domain is equivalent to knowing it in all domains, since simple discrete fractional Fourier transformation allows us to compute the signal in any domain from that in any other. Physically this corresponds to the fact that knowing a wave field ful ...
High efficiency high power blue laser by resonant doubling in PPKTP.
... continuous wave, single longitudinal frequency blue laser is useful in scientific and technical applications (for eg. spectroscopy, dark field wafer inspection, etc). While blue diode lasers continue to improve [1] IR frequency doubling techniques still offer attractive features for blue generation. ...
... continuous wave, single longitudinal frequency blue laser is useful in scientific and technical applications (for eg. spectroscopy, dark field wafer inspection, etc). While blue diode lasers continue to improve [1] IR frequency doubling techniques still offer attractive features for blue generation. ...
Principles of Interference
... These factors K1 and K2 are inversely proportional to s1 and s2 . Since the secondary wavelets from P1 .r1 / and P2 .r2 / are out of phase with the primary wave by a quarter of a period, K1 and K2 are imaginary numbers. If the pin-holes are small and the diffracted fields are considered to be unifor ...
... These factors K1 and K2 are inversely proportional to s1 and s2 . Since the secondary wavelets from P1 .r1 / and P2 .r2 / are out of phase with the primary wave by a quarter of a period, K1 and K2 are imaginary numbers. If the pin-holes are small and the diffracted fields are considered to be unifor ...
Wavelength Tunable Short Pulses Sources Based on
... Currently, various methods for high-repetition rate optical pulse generation have been studied and developed using mode locked lasers [22][19], fiber ring lasers [6] or gainswitched laser diodes [11]. Such pulse sources might suffer from long term stability and overall reliability issues. Furthermor ...
... Currently, various methods for high-repetition rate optical pulse generation have been studied and developed using mode locked lasers [22][19], fiber ring lasers [6] or gainswitched laser diodes [11]. Such pulse sources might suffer from long term stability and overall reliability issues. Furthermor ...
Polarimeter - ScholarWorks@UNO
... the element indicated by the ?rst digit of the subscript 25 pli?ed ?rst by the use of only two modulators because , and its row by the second digit of the subscript. this simpli?es the matrix representing the optical sys Because the quarter-wave retarders 32 and 38 are tem. One modulator provides in ...
... the element indicated by the ?rst digit of the subscript 25 pli?ed ?rst by the use of only two modulators because , and its row by the second digit of the subscript. this simpli?es the matrix representing the optical sys Because the quarter-wave retarders 32 and 38 are tem. One modulator provides in ...
Plasmonic chirality of L-shaped nanostructure composed of two
... polarization [13,14]. A simple, flexible, and effective method to fabricate ACPNs is needed to expand the application of ACPNs. In recent years, four main methods have been used to fabricate ACPNs. First, electron beam lithography (EBL) was used to prepare planar ACPNs with precise dimensions [15,1 ...
... polarization [13,14]. A simple, flexible, and effective method to fabricate ACPNs is needed to expand the application of ACPNs. In recent years, four main methods have been used to fabricate ACPNs. First, electron beam lithography (EBL) was used to prepare planar ACPNs with precise dimensions [15,1 ...
Helium Neon Laser - Abbe School of Photonics
... slit (Fig. 8). Due to the difference in phase the waves from different slits mainly cancel one ...
... slit (Fig. 8). Due to the difference in phase the waves from different slits mainly cancel one ...
Light–matter interaction induces a single positive vortex with swirling
... photosensitive wall, a vortex with positive topological charge (using the convention of the righthand rule). Figure 1a illustrates the typically observed vortex when one uses crossed polarizers. The black cross appearing in these conditions is the signature of an umbilical defect, which can be produ ...
... photosensitive wall, a vortex with positive topological charge (using the convention of the righthand rule). Figure 1a illustrates the typically observed vortex when one uses crossed polarizers. The black cross appearing in these conditions is the signature of an umbilical defect, which can be produ ...
Experimental study of scattering from characterized random surfaces
... This method has its own limitations and is known to fail for deterministic surfaces with large slopes.8 Its applicability to random surfaces should similarly be limited by the stochastic slopes, though it has never been made clear when results obtained with this technique are, in principle, valid. M ...
... This method has its own limitations and is known to fail for deterministic surfaces with large slopes.8 Its applicability to random surfaces should similarly be limited by the stochastic slopes, though it has never been made clear when results obtained with this technique are, in principle, valid. M ...
Fast-light for astrophysics - Laboratory for Atomic and Photonic
... research over the last decade [1–3]. Researchers have found new ways of controlling the index of refraction of various materials by combining laser beams of different frequencies which interact with them. In particular, we are able to achieve strong dispersion at frequencies where the material is tra ...
... research over the last decade [1–3]. Researchers have found new ways of controlling the index of refraction of various materials by combining laser beams of different frequencies which interact with them. In particular, we are able to achieve strong dispersion at frequencies where the material is tra ...
Birefringency: Calculation of Refracted Ray Paths in - Giga
... The phenomena of birefringency may be observed when light arrives at an anisotropic crystal surface and refracts through it. Using the ray model for light propagation, birefringency causes two main effects: first, the incident light ray splits into two rays that go through the crystal at two differe ...
... The phenomena of birefringency may be observed when light arrives at an anisotropic crystal surface and refracts through it. Using the ray model for light propagation, birefringency causes two main effects: first, the incident light ray splits into two rays that go through the crystal at two differe ...