In this review, we cover the state-of-art all-optical modulation based on 2D materials, including graphene, transitional metal dichalcogenides, phosphorus, and other novel 2D materials. We present the operations mechanism of different types of all-optical modulators with various configurations, such ...
The high SPP field confinement and high QD-absorption cross-section enable optical modulation at low power densities (10Wcm) in micrometre-scale planar devices. 展开 关键词: Cadmium Selenide Quantum Dots All-Optical Modulation Plasmonics Information Processing Surface Plasmon Polaritons Photonics ...
We have realized a novel optical modulation format conversion using double-sideband suppressed-carrier modulation. An optical wideband frequency-shift-keying (FSK) signal, generated by an external FSK modulator, can be directly converted into an optical phase-shift-keying (PSK) signal, where the FSK...
Terahertz all-optical modulation in a silicon-polymer hybrid system. Although gigahertz-scale free-carrier modulators have been demonstrated in silicon, intensity modulators operating at terahertz speeds have not been report... - 《Nature Materials》 被引量: 0发表: 2006年 Molecule–Surface Plasmon Int...
Graphene is an attractive material for all-optical modulation because of its ultrafast optical response and broad spectral coverage. However, all-optical graphene modulators reported so far require high pump fluence due to the ultrashort photo-carrier lifetime and limited absorption in graphene. We pr...
Taking advantage of the tight mode confinement over the entire waveguide length allows us to achieve high Rabi frequencies and all-optical modulation in the μW regime. The speed of such optical switch is in general limited by the lifetime of the F″=2/3/4 levels (that is, the 52P3/2...
The actual absorbed switching power required for a 3 dB modulation depth is measured to be as low as 6 fJ. While the switch-on time is on the order of a few picoseconds, the relaxation time is almost 500 ps and limited by the lifetime of the charge carriers....
All-optical modulation converter for On-Off Keying to Duobinary and Alternate-mark inversion at 42.6 GbpsMach-Zehnder interferometers... JM Dailey,MJ Power,RP Webb,... - Lasers & Electro-optics Europe 被引量: 1发表: 2011年 All-optical modulation converter for On-Off Keying to Duobinary and ...
Ultrafast low-pump fluence all-optical modulation based on graphene-metal hybrid metasurfaces modulatorGraphene is an attractive material for all-optical modulation because of its ultrafast optical response and broad spectral coverage.However,all-optical... A Basiri,MZE Rafique,J Bai,... - 光:科学...
However, all of the electrical and all-optical schemes that have been proposed so far for SHG modulation in two-dimensional materials have considerable downsides. On one hand, electrical modulation has been demonstrated in tungsten diselenide (WSe2) monolayers26by tuning the oscillator strength of ne...