35 patents
Utility
Automatic gain control (AGC) using a wideband RF tuner in RF amplifiers in a hybrid fiber-coaxial (HFC) network
2 Jan 24
Automatic gain control (AGC) may be accomplished in a radio frequency (RF) amplifier in a hybrid fiber-coaxial (HFC) network using a wideband RF tuner to select multiple pilot channels (e.g., frequencies in lower and upper portions of an RF signals spectrum) for use in measuring power and determining a correction to be applied to the RF amplifier.
Rafael Celedon, Steven Blashewski, Mark Siejka, David Stewart, Stéphane Chapeau
Filed: 15 Sep 22
Utility
Node housing with lid-based mounting of node components for use in a broadband distribution network
7 Nov 23
An aspect of the present disclosure includes a node housing for use in a broadband distribution network that includes coupling the amplifier to a lid portion and providing an interface plate in a base portion that allows for RF and power signals to be provided to the RF amplifier within the lid portion.
William G. Mahoney, Simon Farfoud, Steve Blashewski
Filed: 23 Nov 21
Utility
Fiber holder for use with optical subassembly modules
11 Jul 23
An optical fiber holder is disclosed herein that includes at least one confinement slot for routing intermediate optical fibers within a housing of an optical assembly module, and preferably, a plurality of confinement slots for maintaining a target/nominal fiber bending radius for one or more intermediate optical fibers within the housing.
Hao-Chiang Cheng, Kai-Sheng Lin
Filed: 4 Mar 21
Utility
Parabolic lens device for use in optical subassembly modules
18 Oct 22
A parabolic reflector device (also referred to herein as a parabolic lens device) is disclosed which includes a plurality of parabolic lens members and a mirror member which couple together and collectively provide a light-transmissive structure for multiplexing or demultiplexing of an optical signal.
Kai-Sheng Lin, Hao-Chiang Cheng, Ziliang Cai
Filed: 27 May 21
Utility
Coaxial connector seizure assembly with integrated mechanical stop and a hybrid fiber-coaxial (HFC) module implementing same
27 Sep 22
A coaxial seizure assembly is disclosed that includes an integrated mechanical stop that prevents over-insertion and maintains a nominal/expected impedance value to enable high-frequency switching, e.g., 1.8-3 Ghz or greater.
William G. Mahoney, Simon Farfoud
Filed: 5 Mar 20
Utility
Component bridge for increasing mounting surface area on feedthrough device and an optical subassembly implementing same
9 Aug 22
The present disclosure is generally directed to a component bridge that couples to a feedthrough device to provide additional component mounting surface area within a TOSA housing, and preferably, within a hermetically-sealed TOSA housing.
Kai-Sheng Lin, Kevin Liu, Hao-Chiang Cheng
Filed: 24 Jan 20
Utility
Capacitor stacks for noise filtering in high-frequency switching applications and an optical subassembly module implementing same
2 Aug 22
The present disclosure is generally directed to utilizing capacitors stacks with capacitors mounted in a terminal-to-terminal mounting orientation to reduce overall footprint of capacitor arrays for bypass filtering circuits.
Yi Liu, Qin Li, Hsiu-Che Wang, Ruru Chen
Filed: 10 Oct 19
Utility
Optical demultiplexer with truncated profile and an optical transceiver module implementing same
3 May 22
The present disclosure is generally directed to an optical demultiplexer for use in an optical transceiver module having a truncated profile/shape to increase tolerance and accommodate adjacent optical components.
Kai-Sheng Lin, Hao-Chiang Cheng, Ziliang Cai
Filed: 24 Nov 19
Utility
Locking arrangements for pluggable optical subassembly modules
3 May 22
In general, the present disclosure is directed to locking arrangements for use with optical subassembly housings, such as small form-factor pluggable (SFFP) housings, that include a handle member configured to rotate about the housing to allow a user to select a target/desired orientation.
Kai-Sheng Lin, John Cheng, Ziliang Cai
Filed: 24 Sep 20
Utility
Temperature control device with a plurality of electrically conductive terminals, and an optical subassembly module implementing same
29 Mar 22
In general, a temperature control device for use in laser assemblies and optical subassemblies is disclosed that includes at least two electrically conductive terminals to enable flexible electrical coupling to associated components, e.g., monitor photodiodes and laser diodes, and accommodate a range of laser assembly configurations without the necessity of supplying a negative voltage rail.
Kai-Sheng Lin, Hang Xie, Ming Qi
Filed: 24 Nov 19
Utility
Lens clip for coupling and optical alignment of an optical lens array and an optical subassembly module implementing same
11 Jan 22
The present disclosure is generally directed to a lens clip that defines at least one mounting surface for coupling to and supporting an array of optical components, e.g., a laser diode and associated components, and an optical lens slot to receive and securely hold an array of optical lenses at a predetermined position relative to the optical components to ensure nominal optical coupling.
I-Lung Ho, Hsiu-Che Wang, Qin Li
Filed: 17 Jul 19
Utility
Substrate with stepped profile for mounting transmitter optical subassemblies and an optical transmitter or transceiver implementing same
16 Nov 21
The present disclosure is generally directed to a stepped profile for substrates that support “on board” optical subassembly arrangements.
Kai-Sheng Lin, Hang Xie, Yi Wang
Filed: 8 Jan 20
Utility
Temperature controlled multi-channel transmitter optical subassembly and transceiver module including same
12 Oct 21
A temperature controlled multi-channel transmitter optical subassembly (TOSA), consistent with embodiments described herein, may be used in a multi-channel optical transceiver.
Kai-Sheng Lin, Hsiu-Che Wang, Ziliang Cai
Filed: 22 May 19
Utility
Heatsink with graphene coating and an optical transmitter or transceiver implementing same
6 Jul 21
The present disclosure is generally directed to a housing for use with optical transceivers or transmitters that includes integrated heatsinks with a graphene coating to increase thermal dissipation during operation.
Kai-Sheng Lin, Hao-Chiang Cheng, Ziliang Cai
Filed: 24 Nov 19
Utility
Monitor photodiode (MPD) submount for vertical mounting and alignment of monitoring photodiodes
6 Jul 21
The present disclosure is generally directed to a monitor photodiode (MPD) submount for use in optical transceivers that includes a body with a conductive trace pattern disposed on multiple surfaces of the same to allow for vertical mounting of an associated MPD and simplified electrical interconnection with TOSA circuitry without the necessity of electrical interconnection.
Kai-Sheng Lin, Hao-Chiang Cheng, Hang Xie
Filed: 8 Jan 20
Utility
Lens clip for coupling and optical alignment of an optical lens and an optical subassembly module implementing same
1 Jun 21
The present disclosure is generally directed to a lens clip that includes an optical lens slot to securely hold an optical lens at a predetermined position to mitigate effects of post-annealing shift.
Chong Wang, Qin Li, Hsiu-Che Wang
Filed: 14 Jan 19
Utility
Transmitter optical subassembly with hermetically-sealed light engine and external arrayed waveguide grating
27 Apr 21
In general, a TOSA consistent with the present disclosure includes a light driving circuit coupled to a hermetically-sealed light engine.
Kai-Sheng Lin, Kevin Liu, I-Lung Ho
Filed: 29 Aug 18
Utility
Transmitter optical subassembly (TOSA) with laser diode driver (LDD) circuitry mounted to feedthrough of TOSA housing
16 Mar 21
The present disclosure is generally directed to a multi-channel TOSA arrangement with a housing that utilizes a feedthrough device with at least one integrated mounting surface to reduce the overall dimensions of the housing.
Kai-Sheng Lin, Kevin Liu, Hao-Chiang Cheng
Filed: 7 Mar 19
Utility
Photodiode (PD) array with integrated back-side lenses and a multi-channel transceiver module implementing same
16 Mar 21
The present disclosure is generally directed to an optical transceiver that includes a multi-channel on-board ROSA arrangement that includes an optical demultiplexer, e.g., an arrayed waveguide grating (AWG) and an array of photodiodes disposed on a same substrate.
Hsiu-Che Wang, Elsie Marentes, Qin Li
Filed: 28 Nov 18
Utility
Techniques for attachment and alignment of optical components on a thermoelectric cooler (TEC) and an optical subassembly implementing same
16 Mar 21
In general the present disclosure is directed to a temperature control device, e.g., a TEC, that includes a top plate with at least first and second contact pads to allow for a soldering process to attach optical components to the first contact pad without causing one or more layers of the second contact pad to reflow and solidify with an uneven mounting surface.
Chong Wang, Kai-Sheng Lin, YongXuan Liang
Filed: 9 Jul 19