Optics and Photonics » Optical Data Transmission

Found 17 technologies within Optical Data Transmission RSS ATOM

Optically-Pumped Semiconductor Waveguide Amplifier

11538 – The University of Central Florida invention is a device that incorporates a conventional laser monolithically integrated with a totally undoped semiconductor optical amplifier (SOA) that can produce more than 20dB of optical gain in an overall length of less than 100 μm. A 2-D array of such devices can easily be flip-chip bonded onto a silicon photonic integrated circuit (PIC) for... Read More

Figure 1. As shown, a bidirectional chip may time-duplex signals—transmit (Tx) and receive (Rx)—from a given pixel with a Tx/Rx selection step.

Photonic Integrated Circuit Outcoupling Array for Imaging-Based Beam Steering

11449 – Researchers at the University of Central Florida have invented a photonic integrated circuit (PIC) array device that can provide the emitter and detector array capabilities that imaging-based beam steering (IBBS) systems need to achieve high-resolution, dynamic beam steering over a wide field-of-view (FOV). The UCF invention, which includes an IBBS system design, offers a passive,... Read More

Cooperative LIDAR Object Detection Via Feature Sharing in Deep Networks

11564 – The University of Central Florida invention is an approach that enables “cooperative cognition” by sharing partially processed data (“feature sharing”) from light detection and ranging (LIDAR) sensors among cooperative vehicles. The partially processed data are the features derived from an intermediate layer of a deep neural network. Experimental results show that the approach... Read More

Mode Demultiplexing Hybrid Simplifies Coherent Optical Front End

34398 – Researchers at the University of Central Florida have designed a single device that integrates mode demultiplexing, local oscillator power splitting, and optical 90-degree phase deconstruction using a multi-plane light converter (MPLC). As a result, the invention enables more reliable and robust coherent optical signals for communications systems. Today’s current optical front... Read More

As illustrated, the new UCF technology may be implemented using planar arrays such as an organic light-emitting diode array.

Imaging-Based Transmitter and Receiver for Free-Space Optical Communications

34131 – Key points: Researchers at the University of Central Florida have developed a robust and cost-effective solution for line-of-site control (LOS)—also known as beam steering—in emerging free-space optical communications (FOC) systems. Instead of using conventional radio frequencies, FOC systems employ optical domain carrier frequencies to establish direct LOS data links between... Read More

Low-Cost Brightness Enhancement of Laser Sources Using Photonic Lanterns

33903 – New system enables manufacturers to reduce the cost and space needed to combine and boost the output brightness of semiconductor laser sources UCF researchers have invented a system that requires less physical space and is less expensive than other laser brightness enhancement systems. By uniquely integrating few-mode fiber and photonic lantern technologies, the new system enables the... Read More

(a) Schematic of few-mode Erbium-doped fiber amplifier, CL: collimating lens, FMF: few-mode (FM) fiber, EDF: Erbium-doped fiber, MO: microscope objective, DM: dichroic mirror. (b) Erbium-doped few-mode fiber cross-section.

New LIDAR Receiver Architecture Boosts Signal Quality at Lower Cost

33950 – Few-Mode Preamplified Receiver Design Improves LIDAR Performance in Autonomous Vehicles UCF researchers have developed an innovation in remote sensing technology that may help speed the large-scale deployment of LIDAR (light detection and ranging) in autonomous vehicles. With its novel few-mode (FM) preamplified receiver architecture, the new UCF LIDAR system has demonstrated a... Read More

Soldiers training with a multiple integrated laser engagement system (MILES). Laser emitters are attached to the rifles' barrels, and laser receptors are on the soldiers' helmets and harnesses.

Novel Diffused Channel Semiconductor Light Sources Improve the Speed and Performance of Optical Data Networks

33264 – New semiconductor light source boosts the laser signal strength and quality of optical data networks in military tactical engagement systems UCF researchers have invented technologies that enable manufacturers to create faster, more efficient semiconductor light sources than those currently used in optical data networks and other data communication systems. Besides boosting the speed and... Read More

Photonic Platform for Polarization Diversity and Extremely Broad Bandwidths

33645 – New platform enables polarizers to span optical bandwidths of more than an octave in frequency (Note: figures referenced below can be found by clicking the Image Gallery, to the right.) UCF researchers have invented a breakthrough technology for creating optical systems that enable control of different polarizations over broader bandwidths than those of conventional systems. The... Read More

Example embodiments of the invention. a) Schematic view of a four-port circulator device. b-c) SEM pictures of the fabricated system. The footprint of this example device is 4 mm × 120 μm.

Monolithically Integrated Optical Circulator on Semiconductor Substrate

33693 – Invention Provides Communication Networks with a Low-Cost Optical Circulator on a Single Chip UCF researchers have developed an innovative optical circulator and methods for monolithically integrating the device onto a single semiconductor substrate. The device consists of an on-chip design that is broadband, color preserving, compact and integrable with physical processes that are... Read More

Block diagram of a communication system including an embodiment of a system and method of electronic wavefront correction for free-space optical communications

Inexpensive High Speed Electronic Wavefront Error Correction for Free-Space Optical Systems

31370 – The design of a system for random wavefront error correction by means of a detector array that compares an incoming signal with a local reference wavefront, and the electronic signal processing chip that outputs an undistorted signal. Free-space optical communication has become an alternative to fiber based technologies, and is implemented when physical connectivity is impractical (e.g.... Read More

First embodiment of the present invention with a Ti:Sapphire oscillator

High Intensity Mega Hertz Mode-Locked Laser

30269 – Systems, devices and methods of using stable, self-starting mode-locked lasers, which are compact, use lower optical elements and have energies sufficient for most microprocessing and micro-structuring applications. Extremely short duration optical pulses, which are known as femtosecond pulses, are ultra-short pulses that make it possible to investigate ultrafast processes, and can be used... Read More

System model diagram of an optical communication system including an embodiment of impairment compensation logic

Compensation of Optical Signal Error through Digital Post-processing

31375 – The design for an error compensation method for optical information or imaging systems which suffer from linear and nonlinear impairments through an electronic postprocessing, back propagation method. Optical signal processing hinges on the system’s ability to compensate for the error accumulated by optical pulses as they travel through air or a waveguide apparatus, such as a fiber optic... Read More

Schematic setup of narrow band transmitting- receiving telescope apparatus

An Optical Free-Space Communication-based Telescope System For Narrow Band Transmission and Receiving

30031 – A communication system and method of transmitting/receiving sensitive data from a laser source through a non-confined optical free-space to any predetermined direction. The invention has been issued a patent The technology of laser communication or free-space optical communication has matured to meet the growing demand of higher data transmission to and from aircrafts, satellites and... Read More

First preferred embodiment layout for a format insensitive 2R regeneration

Optical Multichannel Signal Regeneration

30170 – Method and apparatus for efficient optical regeneration UCF scientists have developed a more efficient all-optical regeneration system that addresses the limitations of pre-existing inventions. It can process multiple channel communications and is capable of removing the noise from both 0 and 1 bits. The growing demand for high capacity fiber optic communication systems has led to... Read More

Fig 1. Block diagram of a communication system including an embodiment of a system and method of polarization time coding for optical communications

Improved Optical Communications with Significantly Reduced Cost using Polarization Diversity Transmission

30901 – Novel system and method for improving optical communications using transmission polarization diversity to reduce impairments in fiber transmissions. UCF scientists have developed a novel and less costly system and device, to improve optical communication using polarization redundancy. The overall system is less complex than previous systems, since it uses simplified receivers, simple... Read More

Schematic overview of the external cavity laser including a branching absorbing optical isolator and wire bonding and chip leads to the III-V chip in accordance with the embodiments. Other configurations of the branching sections are also possible.

Branched Chain Optical Isolator for Silicon Photonics Applications

32611 – Conventionally, the capability of lasers integrated with silicon photonics is compromised by low power and poor thermal performance, and suffers additional losses from noise caused by unwanted reflections back into the laser cavity. This new branched chain optical isolator developed at the University of Central Florida improves performance of lasers integrated into silicon photonic chips and... Read More