DISPERSION AND NONLINEAR COMPENSATOR FOR OPTICAL DELIVERY FIBER
A system for dispersion compensation in a terahertz system includes an optical fiber configured to transmit an optical pulse, a compensator optically coupled to the optical fiber, the compensator configured to compensate for a dispersion of the optical pulse caused as the optical pulse propagates through the optical fiber, and an optically induced terahertz device optically coupled to the compensator, whereby the optically induced terahertz device is configured to transmit or receive terahertz radiation.
1 . A system for dispersion compensation in a terahertz system, the system comprising:
an optical fiber configured to transmit an optical pulse;
a compensator optically coupled to the optical fiber, the compensator configured to compensate for a dispersion of the optical pulse caused as the optical pulse propagates through the optical fiber; and
an optically induced terahertz device having an antenna, the optically induced terahertz device optically coupled to the compensator, whereby the terahertz device is configured to transmit or receive terahertz radiation via the antenna.
2 . The system of claim 1 , wherein the optically induced terahertz device is a terahertz receiver, wherein the antenna is optically coupled to the compensator for the sampling of the electric field formed at the antenna from the received terahertz radiation.
3 . The system of claim 2 , wherein the compensator is a photonic crystal fiber, the photonic crystal fiber being a fixed compensator.
4 . The system of claim 2 , wherein the compensator is a volume Bragg grating, the volume Bragg grating being a fixed compensator.
5 . The system of claim 2 , wherein the grating is a chirped Bragg grating, the chirped Bragg grating being a fixed compensator.
6 . The system of claim 2 , wherein the compensator further comprises a fixed compensator in conjunction with an adjustable compensator.
7 . The system of claim 2 , wherein the optical fiber is a single mode optical fiber of a standard or polarizing maintaining type.
8 . The system of claim 2 , wherein the optical fiber is a large-mode-area optical fiber.
9 . The system of claim 2 , wherein the terahertz receiver further comprising an optical switching means, wherein the optical switching means is a photoconductive element.
10 . The system of claim 2 , wherein the antenna is a dipole or bowtie antenna.
11 . The system of claim 2 , wherein the terahertz receiver is optically coupled to the compensator via a lens.
12 . The system of claim 2 , wherein the terahertz receiver is optically coupled to the compensator via direct contact.
13 . The system of claim 2 , further comprising an ytterbium doped or neodymium doped mode-locked laser optically coupled to the optical fiber, the ytterbium doped or neodymium doped mode-locked laser configured to produce the optical pulse.
14 . The system of claim 1 , the optically induced terahertz device is a terahertz transmitter, wherein the antenna is optically coupled to the compensator for the generation of terahertz radiation.
15 . The system of claim 14 , wherein the compensator is a photonic crystal fiber, the photonic crystal fiber being a fixed compensator.
16 . The system of claim 14 , wherein the compensator is a volume Bragg grating, the volume Bragg grating being a fixed compensator.
17 . The system of claim 14 , wherein the grating is a chirped Bragg grating, the chirped Bragg grating being a fixed compensator.
18 . The system of claim 14 , wherein the compensator further comprises a fixed compensator in conjunction with an adjustable compensator.
19 . The system of claim 14 , wherein the optical fiber is a single mode optical fiber of a standard or polarizing maintaining type.
20 . The system of claim 14 , wherein the optical fiber is a large-mode-area optical fiber.
21 . The system of claim 14 , wherein the terahertz transmitter further comprising an optical switching means, wherein the optical switching means is a photoconductive element.
22 . The system of claim 14 , wherein the antenna is a dipole or bowtie antenna.
23 . The system of claim 14 , wherein the terahertz receiver is optically coupled to the compensator via a lens.
24 . The system of claim 14 , wherein the terahertz receiver is optically coupled to the compensator via direct contact.
25 . The system of claim 14 , further comprising an ytterbium doped or neodymium doped mode-locked laser optically coupled to the optical fiber, the ytterbium doped or neodymium doped mode-locked laser configured to produce the optical pulse.