Generator of ultrashort optical pulses for time division multiplexing

Measurement of Ultrashort Optical Pulses

Performance Analysis of Optical Time Division Multiplexing Using RZ Pulse Generator

A communication system sends the signals from one place to another, whether separated by a few kilometers or by transoceanic distances. An electromagnetic carrier wave carried these signals with vary frequency from few megahertz to terahertz. Higher frequencies are used in optical communication systems. Optical communication is also called light wave systems. To send the optical signals from on...

Wavelength-division multiplexing with femtosecond pulses.

We demonstrate wavelength-division multiplexing with a single broadband femtosecond source by slicing the 3.7-THz spectral bandwidth of 85-fs laser pulses into 16 channels that are modulated individually.

Quadrature Amplitude Modulation All Optical Orthogonal Frequency Division Multiplexing-dense Wavelength Division Multiplexing-optical Wireless Communication System under Different Weather Conditions

This paper proposes an analytical model for evaluating the performance of dense wavelength division multiplexing (DWDM) for all optical orthogonal frequency division multiplexing (AO-OFDM) optical wireless channel. The investigated performance for proposed system is evaluated for the parameters  bit error rate (BER) and Q factor .The constellation diagrams, and bit error rate (BER) of the recei...

Absorption of ultrashort optical pulses in water.

We investigate the linear propagation of 800 and 1530 nm ultrashort optical pulses in water. For all pulse repetition rates studied, we observe pure exponential decay down to a transmission of 2.5 x 10(-5). We further demonstrate that previous observations of nonmonoexponential decay and pulse splitup in broadband pulses are consistent with Beer's law in the purely linear regime.