Molex Corporation

Oplink Communications, Inc.

Zuon-Min Chuang

Sung-Ping Huang

Domenico Di Mola

Chih-Chung Wu

Kuen-Ting Tsai

Wei-Hung Chen

Rang-Chen Yu

Chih-Chung Hsu

Yao-Wen Liang

Wenzong Chen

Thomas R Marrapode

Sheng-Pin Su

Chih-wei Peng

Bing-Hao Shih

Domenico DiMola

Lung-Hua Huang

Li-Chi Yang

The present disclosure provides a package structure having a photonic integrated circuit, the package structure includes a substrate, a chip and an optical module. The chip has an optical waveguide structure and a recessed portion. The optical waveguide structure is adjacent to the recessed portion. The recessed portion faces the substrate, and the chip is engaged to the substrate by flip chip. The optical module is provided in the recessed portion of the chip.

Package structure having photonic integrated circuit

An optical modulating device of the present disclosure includes an optical splitter, an optical phase modulator and an optical combiner. The optical splitter splits an inputting optical signal by an optical splitting ratio to generate a first split optical signal and a second split optical signal. The optical phase modulator phase modulates the first split optical signal and the second split optical signal to respectively generate a first modulating optical signal and a second modulating optical signal. The optical combiner combines the first modulating optical signal and the second modulating optical signal by a combining ratio to generate an outputting optical signal having a chirp, the combining ratio being equal to the optical splitting ratio, a value of the combining ratio being a positive number, and the value being less than one or more than one.

Optical modulating device

The present disclosure provides a photonic integrated circuit chip. The photonic integrated circuit chip comprises a plurality of connection ports, multiple polarization beam splitting structures, a photodetector structure, an interleaver and a modulator. The plurality of connection ports are used to receive a plurality of first optical signals to the photonic integrated circuit chip. The multiple polarization beam splitting structures each are used to split the first optical signal passing through the polarization beam splitting structure into a first mode optical signal and a second mode optical signal. The photodetector structure comprises a first component for split beam and a second component for split beam. The interleaver is used to transfer the first mode optical signal or the second mode optical signal to the second component for split beam. The modulator is used to transfer second optical signals with different wavelengths to the interleaver. The interleaver further transfers the second optical signals to the different connection ports according to the different wavelengths of the second optical signals.

Photonic integrated circuit chip

An optical interconnect module for coupling a photonic integrated chip to an optical ferrule is provided. The optical interconnect module may include a coupler for interfacing to the photonic integrated chip, the coupler comprising at least one guide pin. The optical interconnect module may include an optical ferrule configured for being removably attached to the coupler, the optical ferrule comprising at least one through hole for receiving the at least one guide pin from the coupler.

Photonic chip coupler connector module

An optical transmission device includes: a control module generate a control signal output which includes a slope adjust signal and a bias voltage offset adjust signal according to an input signal indicating a dispersion amount an electrical level adjust signal; a multi-level pulse amplitude modulator; and an asymmetrical optical modulator which is controlled by the slope adjust signal to be operated at one of a positive slope and a negative slope of a transfer function of the asymmetrical optical modulator itself, and is controlled by the bias voltage offset adjust signal of the control signal output to offset a bias voltage point of the asymmetrical optical modulator itself from a quadrature point of the transfer function, and modulates the multi-level pulse amplitude modulation signal to an optical signal to generate an optical modulate signal having a chirp.

Optical transmission device and optical communication system

The present disclosure provides an optical waveguide connection assembly and an optical module including the optical waveguide connection assembly. The optical waveguide connection assembly includes a holder, an optical fiber, a connection member and an optical coefficient adjusting member. The holder has a first part and a second part. The first part is positioned a side of the optical element, the second part is positioned above the optical element. The optical fiber is fixed to the first par. The connection member is provided between the second part and the optical element. The optical coefficient adjusting member is provided between the optical fiber and the optical element, so that a beam is capable of being transferred between the optical fiber and the optical element via the optical coefficient adjusting member. The optical waveguide connection assembly is fixed to the optical element via the connection member and the optical coefficient adjusting member.

Optical waveguide connection assembly and optical module comprising optical waveguide connection assembly

An optical module includes a waveguide interposer and at least one light source unit. The waveguide interposer includes at least one input terminal, at least one waveguide channel, and at least one output terminal. The at least one input terminal is configured to receive laser light, and the at least one waveguide channel is coupled to the at least one input terminal and is configured to guide the laser light. Each light source unit is configured to output the laser light to a corresponding input terminal of the at least one input terminal.

Optical module

An optical receiving device includes a conversion module, a signal generation module and a control module. The conversion module performs photoelectric conversion and amplification on an optical signal to generate a photocurrent, the signal generation module provides a gain signal, performs transimpedance and amplification on the photocurrent according to an input signal indicating a preset output voltage swing to generate a voltage signal, and generates a measurement signal indicating an average optical power associated with the optical signal according to the photocurrent, the control module outputs a control signal which is variable to adjust a gain of the conversion module, so that a dynamic range of the conversion module changes as the gain of the conversion module itself changes.

Optical receiving device

Methods, systems, and apparatus, for an external cavity FP laser. In one aspect, an apparatus is provided that includes a FP laser diode; a Faraday rotator (FR) coupled to receive an optical output of the FP laser diode and that rotates a polarization of the optical output; an optical fiber coupled at a first end to receive the output of the FR; a WDM filter coupled to a second end of the optical fiber to receive the optical signal from the optical fiber; and a FRM coupled directly or indirectly to an output of the WDM filter, wherein an optical output of the WDM filter is partially reflected by the FRM such that the polarization of a reflected beam is rotated, and wherein the reflected optical signal then passes through the FR with its polarization being rotated by the FR before it is injected back into the FP laser diode.

External cavity FP laser

Methods, systems, and apparatus, for optical communication. One apparatus includes a Fabry-Perot (FP) laser diode assembly coupled to a first port of a circulator; an optical amplifier coupled to a second port of the circulator; a wavelength division multiplexer (WDM) filter coupled to a third port of the circulator; and a Faraday rotator mirror coupled to the WDM filter.

Compact WDM optical modules

External cavity fabry-perot laser

Methods, systems, and apparatus, for optical communication. One optical assembly includes a Fabry-Perot (FP) laser diode; a first polarization controller (PC) coupled to the FP laser diode; a circulator having four ports, a first port coupled to the first PC; an optical fiber coupled at a first end to a second port of the circulator; a second PC coupled to a third port of the circulator; an optical amplifier coupled to the second PC and a fourth port of the circulator; a wavelength division multiplexer (WDM) filter coupled to the second end of the optical fiber; a splitter having at least three ends coupled at a first end to the WDM; and a Faraday rotator mirror (FRM) coupled directly or indirectly to a second end of the splitter.

Growing community of inventors

Taoyuan, Taiwan

Zuon-Min Chuang