Photon-x, Inc.

Renyuan Gao

Anthony F Garito

Renfeng Gao

Aydin Yeniay

Kazuya Takayama

Robert Andrew Norwood

Yu-Ling Hsiao

Anna Panackal

Donald S Bitting

Joseph Chang

Robert M Mininni

Joseph E Maenner

Jingsong Zhu

John Finn

A planar optical waveguide is provided. The planar optical waveguide includes a polymer substrate having a coefficient of thermal expansion, a first cladding disposed on the substrate, and a core disposed on at least a portion of the first cladding. The core is a halogenated polymer having an absorptive optical loss of less than approximately 2.5&#xd7;10dB/cm in the range from about 1250 to 1700 nm. The core has a thermo-optic coefficient and a refractive index, a product of the thermo-optic coefficient and the reciprocal of the refractive index being approximately equal to the negative of the coefficient of thermal expansion.

Athermal polymer optical waveguide on polymer substrate

An optical fiber amplifier module is disclosed which comprises a signal path located between a signal input and a signal output. A WDM coupler and an amplifying gain medium are disposed along the signal path. A pump laser is disposed out of the signal path in a manner that allows a pump signal from the pump laser to reflect off the WDM coupler and enter the signal path. An embodiment utilizing a second WDM coupler and a second pump laser is also disclosed.

Compact optical fiber amplifier module

A broadband optical amplifier is disclosed. The amplifier includes an input having a plurality of optical wavelengths, including optical wavelengths between 1610 and 1620 nanometers, and a first optical splitter optically connected to the input. The first optical splitter splits the input into a first band signal portion, a second band signal portion, and a third band signal portion. An amplifying portion is optically disposed along each of the first, second, and third band signal portions optically downstream from the first optical splitter. A first optical combiner is optically connected to the first, second, and third band signal portions to form an output. A method of amplifying a broadband optical signal is also disclosed.

Ultra-wide bandwidth optical amplifier

An optical waveguide is provided. The optical waveguide includes a polymer substrate and a lower cladding disposed on the substrate. The lower cladding is a first perhalogenated polymer. The optical waveguide also includes a core disposed on at least a portion of the lower cladding. A method of manufacturing the optical waveguide is also provided.

Polymer optical waveguides on polymer substrates

A system and method for suppressing light scattering in optical fiber transmission systems are disclosed. The system includes an optical fiber assembly having first and second ends and at least one blocking apparatus disposed along the fiber between the first and second ends. The method includes providing a fiber assembly having a first end and a second end; installing a blocking apparatus in the fiber assembly between the first end and the second end; and transmitting light between the first end and the second end. The fiber assembly generates Brillouin and Rayleigh scattering light in a direction opposite the direction of the transmitted light, and the blocking apparatus suppresses the Brillouin and Rayleigh scattering light.

Optical fiber transmission systems with suppressed light scattering

A microresonator is provided that incorporates a composite material comprising a polymer matrix and nanoparticles dispersed therein. The microresonator includes the composite material having a shape that is bounded at least in part by a reflecting surface. The shape of the microresonator allows a discrete electromagnetic frequency to set up a standing wave mode. Advantageously, the polymer matrix comprises at least one halogenated polymer and the dispersed nanoparticles comprise an outer coating layer, which may also comprise a halogenated polymer. Methods for making composite materials and microresonators are also provided. Applications include, for example, active and passive switches, add/drop filters, modulators, isolators, and integrated optical switch array circuits.

Nanocomposite microresonators

A temperature controller module for electronically controlling the temperature of a device, such as a pump laser or laser diode, controls the device temperature based on low heat dissipation inductors and current sources. The temperature controller module shuts off the thermoelectric cooler when the temperature of the laser exceeds a predetermined amount. Further, the temperature controller module is integrated in a compact, self-contained modular form to allow use in space critical applications.

Temperature controller module

An optical waveguide is disclosed. The waveguide includes a first cladding layer having a first exposed surface portion and a second surface portion generally opposing the first exposed surface portion, and a core disposed on a portion of the second surface portion. The core has a first end and a second end. The waveguide also includes a second cladding layer having a first exposed surface portion and a second surface portion generally opposing the first exposed surface portion. The second surface portion of the second cladding layer is disposed on the core and a remaining portion of the second surface portion of the first cladding layer. An optical waveguide assembly incorporating the optical waveguide and a method of manufacturing the waveguide are also disclosed.

Freestanding athermal polymer optical waveguide

An L band optical amplifier in disclosed. The optical amplifier includes a signal line which has an input, an output disposed optically downstream of the input, and an amplifying gain medium optically disposed between the input and the output. The optical amplifier further includes a laser optically connected to the first amplifying gain medium and an apparatus for directing C band light into the amplifying gain medium.

Long wavelength optical amplifier

A planar optical waveguide is disclosed. The waveguide includes a substrate, a first cladding disposed on the substrate, and a first core disposed on a first portion of the first cladding. The first core is constructed from a first material. The optical waveguide also includes a second core disposed on a second portion of the first cladding, with the second core being constructed from a second material and a second cladding disposed on the first core, the second core, and a remaining portion of the first cladding. A method of manufacturing the waveguide is also disclosed.

Method of fabricating polymer optical channel waveguides with multiple types of waveguide core materials

A channel waveguide optical amplifier is disclosed. The amplifier includes a substrate and an optical waveguide channel disposed on the substrate. The optical waveguide channel includes a first generally spiraling portion having a first free end and a first connected end, a second generally spiraling portion having a second free end and a second connected end, and a transition portion. The transition portion has a first transition section connected to the first connected end, a second transition section connected to the second connected end, and an inflection between the first and second transition sections. An amplifier assembly incorporating the channel waveguide and a method of amplifying a light signal are also disclosed.

Rare earth doped optical waveguide and laser with optimal bending curves

An optical waveguide assembly is disclosed. The optical waveguide assembly includes having a substrate face, a cladding disposed on the substrate, and a waveguide core disposed within the cladding. The waveguide core has a waveguide core face such that the waveguide core face is aligned with the substrate face. The assembly further comprises a fiber support assembly having a support face in contact with the substrate face and a fiber having a fiber core face optically aligned with the waveguide core face. Non-adhesive means fixedly connects the substrate face to the support face. A method of non-adhesively bonding an optical waveguide to a fiber support is also disclosed.

Adhesive-free bonding method of fiber attachment for polymer optical waveguide on polymer substrate

A dual mode electronic amplifier controller is disclosed. The amplifier includes a first amplifier electronically connectable to an optical input signal and a second amplifier electronically connectable to an optical output signal. The first amplifier has a first output and the second amplifier has a second output. The amplifier controller further includes a microprocessor electronically connected to the first and second outputs. The microprocessor is adapted to operate in one of a first mode wherein the microprocessor compares functions of the first and second outputs and generates a first microprocessor output, and a second mode wherein the microprocessor compares the second output to a predetermined value and generates a second microprocessor output, such that, in either the first or second modes, each of the first and second microprocessor outputs is adapted to adjust electrical current to a laser.

Dual mode programmable optical logarithmic amplifier driver

An optical fiber amplifier module is disclosed which comprises a signal path locatee between a signal input and a signal output. A WDM coupler and an amplifying gain medium are disposed along the signal path. A pump laser is disposed out of the signal path in a manner that allows a pump signal from the pump laser to reflect off the WDM coupler and enter the signal path. An embodiment utilizing a second WDM coupler and a second pump laser is also disclosed.

An optical amplifier module is disclosed. The optical amplifier module includes a housing having an interior length and an interior width generally shorter than the interior length and an electronic control board disposed within the housing. The electronic control board includes a plurality of electronically connected components. The optical amplifier module also includes a gain medium disposed in the housing in a generally circularly spiral shape, such that the gain medium has a radius of curvature approximately one half the interior width of the housing. The optical amplifier module further includes a pump laser electronically connected to the electronic control board and optically connected to the gain medium.

Growing community of inventors

Strafford, PA, United States of America

Renyuan Gao