The all-pass optical filter also has a frequency independent amplitude response. The all-pass optical filter has a structure which includes at least one feedback path (145), a splitter/combiner (143), an input port (140), and an output port (150)....
Optical nonlinear functions are crucial for various applications in integrated photonics, including all-optical information processing1, photonic neural networks2,3 and on-chip ultrafast light sources4,5. However, the weak native nonlinearity of most nan
Item:Long Pass Filter;Process:IAD Hard Coating;Substrate:BK7,K9, Fused Silicon;Wavelength:555nm;Transmittance:>90% @560-1200;Blocking:OD6 @200-535;Size(mm):D8,D10,D12,D12.5,D12.7,D15,D25,D25.4 or Customer Design;Surface Quality:80-50, 60-40 or Customer D
An optical low-pass filter in the form of a rectangular wave phase grating including at least two sets of parallel phase retardation laminae, the laminae in each set being at an angle to the laminae of the other set. The optical filter is disposed in an optical system provided with a colo...
A bandpass filter pass visible light and a specific portion of the visible (VIS) and near-infrared (NIR) spectrums. They are ideal for color camera applications that utilize daytime sunlight and NIR illumination at night. These filters achieve accurate colo...
In accordance with the invention, an optical all-pass filter comprises a substrate-supported multilayer waveguiding structure comprising a first layer including a waveguiding optical ring resonator, a second layer including an optical grating optically coupled to the ring resonator, and a third layer in...
General Optical All-Pass Filter Structures for Dispersion Control in WDM Systems All-pass filters (APF's) are devices that allow phase correction or equalization without introducing any amplitude distortion. An optical implementation of... G Lenz,CK Madsen - 《Journal of Lightwave Technology》 被引...
All-optical low-pass filter based on cross-gain modulation in fiber optical parametric amplifier An all-optical low-pass filter utilizing cross-gain modulation (XGM) in fiber optical parametric amplifier (OPA) has been proposed and experimentally demon... K Cheung,J Chau,J Li,... - Proceedings...
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OSC filter—The OSC filter allows to add an OSC channel to the C-band in the transmission path and to drop an OSC channel on the receiving path. The OSCM card that is connected to the OSC-TX and OSC-RX ports generates the OSC channel. ...