Matches 1 - 19 out of 19


Match Document Document Title
US20070286609 Bias circuit for Burst-Mode/TDM systems with power save feature  
An optic signal transmit system and biasing method and apparatus and system is disclosed to reduce power consumption during non-transmit periods. An optic signal generator receives a bias signal...
US20050105918 Generating an optical signal with temporal, spectral and amplitude control  
A system for generating an optical signal is provided. The system includes a plurality of light emitting devices. Each light emitting device has an input and an output. The system also includes a...
US20060098991 Optical communications apparatus  
An Optical communications apparatus, comprising: (a) an optical integrated device comprising an input, one or more integrated optical component(s) and an output, arranged such that light received...
US20080166135 METHOD FOR SETTING POWER CONTROL INITIAL VALUE USING INDICATION LIGHT IN VISIBLE LIGHT COMMUNICATIONS AND TRANSMISSION/RECEIVE APPARATUS USING THE SAME  
Disclosed is a method for setting a power control initial value by using an indication light in visible light communications and a transmission/reception (Tx/Rx) apparatus using the method. The...
US20080063412 Optical transmitter to suppress abrupt increase of driving current for laser diode during unstable APC loop and a method to control the same  
The present invention discloses an optical transmitter that provides a function to vary the rate of the increase of the bias and modulation currents and their practical values during the APC...
US20080089699 METHODS FOR AUTOMATIC TUNING OPTICAL COMMUNICATION SYSTEM  
A method for remotely tuning a transmitter in an optical communication system includes sending a control signal from a first location to a temperature controller at a second location and setting a...
US20110038641 OPTICAL TRANSCEIVER WITH GRADUAL STOP OR START FUNCTION  
The present invention provides an optical transmitter applicable to the WDM communication system. The optical transmitter includes a light-emitting device, an APC circuit and a processing unit....
US20090060529 Optical bench fiber optic transmitter  
The subassembly includes a laser for emitting signals towards fibers to be monitored, a passive alignment carrier, a photodetector for monitoring reflected laser signals from the fibers and for...
US20100046963 OPTICAL REGENERATING APPARATUS AND OPTICAL REGENERATING METHOD  
An optical regenerating apparatus includes a photoreceiver unit that receives an optical signal and converts the optical signal into an electrical signal; a reproducing unit that identifies a code...
US20090003843 Optical transmitter and method for control the same  
An optical transmitter that reduces the stimulated Brillion scattering occurred within a transmission optical fiber and a method to control the optical transmitter are disclosed. The optical...
US20050201761 SINGLE FIBER TRANSCEIVER with FAULT LOCALIZATION  
A fiber optic transceiver adapted for use in an optical fiber data transmission system is capable of detecting reflection problems in fiber optic links and providing information related to the...
US20080219678 CONTROL SYSTEM AND CONTROL METHOD FOR CONTROLLING OPTICAL MODULATOR  
A control system for controlling an optical modulator that intensity-modulates input light, the system includes an automatic bias control circuit configured to control an operating point of an...
US20050002677 Methods and apparatus for monitoring the strength of carriers in an optical communication system  
A strength monitor for a wavelength-division multiplexed (WDM) communication system in which the carriers comprising WDM signal do not need to spatially separated to determine their strengths. The...
US20090274471 METHOD AND APPARATUS FOR CONTROLLING THE OPTICAL OUTPUT POWER FROM A BURST MODE LASER  
An optical network terminal is provided for use in a passive optical network (PON). The optical network terminal includes a data port for receiving data packets from an external device and a...
US20150256265 System and Method for Chromatic Dispersion Tolerant Direct Optical Detection  
Embodiments are provided to improve direct detection for optical transmissions. In an embodiment, a method by a transmitter for a direct detection system includes driving, via a drive voltage, a...
US20150188639 OPTICAL TRANSMITTER AND CONTROL APPARATUS OF OPTICAL MODULATOR  
An optical transmitter includes an optical modulator to modulate light output from a light source with a drive signal, a monitor to detect an average value and an alternating-current (AC)...
US20160254866 METHOD AND APPARATUS FOR CONTROLLING, MONITORING, AND COMMUNICATING WITH TUNABLE OPTICAL DEVICES AND SUBASSEMBLIES  
An apparatus for controlling, monitoring, and communicating with an optical device, photonic integrated circuit or subassembly is provided. The apparatus includes an optical device or subassembly;...
US20150270907 TRANSMITTER OPTICAL MODULE OUTPUTTING AN OPTICAL SIGNAL CONTAINING TWO OR MORE WAVELENGTHS  
A transmitter module is disclosed, where the transmitter module includes optical sources, an optical multiplexer to multiple optical signals each output from optical sources, an optical detector...
US20140186056 Closed Loop Optical Modulation Amplitude Control  
Systems and methods are provided for a low frequency AC comparison circuit. The low frequency AC comparison circuit includes circuitry configured to receive a monitoring signal generated by an...

Matches 1 - 19 out of 19