Moon J Park

US Patent:

20210066878, Mar 4, 2021

Filed:

Aug 26, 2020

Appl. No.:

17/003984

Inventors:

- Ridgefield Park NJ, US
Moon Soo PARK - Irvine CA, US

Assignee:

OE Solutions America, Inc. - Ridgefield Park NJ

International Classification:

H01S 3/063
H04B 10/50
F21V 8/00
H03H 7/40
H01S 5/0683

Abstract:

A method and apparatus for matching different impedance of optical components and a package for optical communication using a tapered transmission line (or a taper) are provided. The taper may be configured to include a first section, a second section, and a third section, each of which corresponds to different components. By way of example, the first section of the taper may be configured to be allocated to a driver to a flex joint on a printed circuit board (PCB), the second section of the taper may be configured to be allocated to a flex circuit, and the third section of the taper may be configured to be allocated to a transistor outline (TO) and submount including a directly modulated laser (DML). The taper is configured to minimize an amount of impedance mismatch between the optical components and the package.

US Patent:

20180302155, Oct 18, 2018

Filed:

Jun 11, 2018

Appl. No.:

16/005551

Inventors:

- Ridgefield Park NJ, US
Wanseok SEO - Irvine CA, US
Soonwon HONG - Seoul, KR
Moon Soo PARK - Irvine CA, US

Assignee:

OE Solutions America, Inc. - Ridgefield Park NJ

International Classification:

H04B 10/079
H04B 10/077
H04L 1/00

Abstract:

Methods and apparatuses for optical communications are provided. By way of example, an optical transceiver includes a processing device coupled to a memory, an optical subassembly, and a programmable device. The optical subassembly is configured to receive and modulate a first signal carrying high speed user data for transmission to a remote device over an optical link. The programmable device is coupled to the processing device and configured to receive data relating to digital diagnostic monitoring information (DDMI) of the optical transceiver from the processing device, perform forward error correction encoding on the DDMI data to produce a remote digital diagnostic monitoring (RDDM) signal, and send the RDDM signal to the optical subassembly as a second signal to modulate for transmission. The optical subassembly is configured to current modulate the second signal on the first signal to produce a double modulated optical signal for transmission to the remote device.

US Patent:

20170331548, Nov 16, 2017

Filed:

Jul 31, 2017

Appl. No.:

15/665341

Inventors:

- Ridgefield Park NJ, US
Wanseok SEO - Irvine CA, US
Soonwon HONG - Seoul, KR
Moon Soo PARK - Irvine CA, US

Assignee:

OE Solutions America, Inc. - Ridgefield Park NJ

International Classification:

H04B 10/079
H04B 10/077
H04B 10/077
H04L 1/00

Abstract:

Methods and apparatuses for optical communications are provided. By way of example, an optical transceiver includes a processing device coupled to a memory, an optical subassembly, and a programmable device. The optical subassembly is configured to receive and modulate a first signal carrying high speed user data for transmission to a remote device over an optical link. The programmable device is coupled to the processing device and configured to receive data relating to digital diagnostic monitoring information (DDMI) of the optical transceiver from the processing device, perform forward error correction encoding on the DDMI data to produce a remote digital diagnostic monitoring (RDDM) signal, and send the RDDM signal to the optical subassembly as a second signal to modulate for transmission. The optical subassembly is configured to current modulate the second signal on the first signal to produce a double modulated optical signal for transmission to the remote device.

US Patent:

20160365930, Dec 15, 2016

Filed:

Aug 24, 2016

Appl. No.:

15/245176

Inventors:

- Englewood Cliffs NJ, US
Bong Sin KWARK - IRVINE CA, US
Moon Soo PARK - IRVINE CA, US

Assignee:

OE SOLUTIONS AMERICA, INC. - Englewood Cliffs NJ

International Classification:

H04B 10/69

Abstract:

A high-speed optical receiver implemented using a low-speed light receiving element is provided, which is configured to receive an optical signal having a higher transmission rate than that received using a general avalanche photo diode (APD) by expanding a frequency bandwidth using a receiver circuit configured together with an APD in the optical receiver including the APD, an APD bias control circuit, a transimpedance amplifier (TIA) for amplifying a signal received from the APD to have low noise, and a post amplifier; and a method of implementing such a high-speed optical receiver.

US Patent:

20160277104, Sep 22, 2016

Filed:

Mar 18, 2016

Appl. No.:

15/073785

Inventors:

- Englewood Cliffs NJ, US
Wanseok SEO - Irvine CA, US
Soonwon HONG - Seoul, KR
Moon Soo PARK - Irvine CA, US

Assignee:

OE Solutions America, Inc. - Englewood Cliffs NJ

International Classification:

H04B 10/079
H04L 1/00

Abstract:

Methods and apparatuses for optical communications are provided. By way of example, an optical transceiver includes a processing device coupled to a memory, an optical subassembly, and a programmable device. The optical subassembly is configured to receive and modulate a first signal carrying high speed user data for transmission to a remote device over an optical link. The programmable device is coupled to the processing device and configured to receive data relating to digital diagnostic monitoring information (DDMI) of the optical transceiver from the processing device, perform forward error correction encoding on the DDMI data to produce a remote digital diagnostic monitoring (RDDM) signal, and send the RDDM signal to the optical subassembly as a second signal to modulate for transmission. The optical subassembly is configured to current modulate the second signal on the first signal to produce a double modulated optical signal for transmission to the remote device.

US Patent:

20150200728, Jul 16, 2015

Filed:

Dec 12, 2014

Appl. No.:

14/569427

Inventors:

- Buk-Gu, KR
Moon Soo PARK - Irvine CA, US
Christian HOEDE - Dieman, NL
Jan A.W. VENEMA - Amersfoort, NL

International Classification:

H04B 10/40
H04B 10/077
H04L 5/14

Abstract:

A scheme is described for remote control of the output power of a transmitter in a smart SFP (or SFP+, or XFP) duplex (or BiDi, or SWBiDi) transceiver in a communication system using an operating system with OAM and PP functions, an OAM, PP & Payload Processor, a transceiver, an optical power meter (optional), a BERT, and an optical link in the field.

US Patent:

20150200729, Jul 16, 2015

Filed:

Dec 2, 2014

Appl. No.:

14/558383

Inventors:

- Englewood Cliffs NJ, US
Jong Ho KIM - Irvine CA, US
Moon Soo PARK - Irvine CA, US
Joon Sang YU - Yongin-Si, KR

International Classification:

H04B 10/43
H04B 10/61
H04B 10/572
H04B 10/275
H04J 14/02

Abstract:

Disclosed is an optical transceiver which includes an optical transmitter converting a first electrical signal into a first optical signal, an optical receiver converting a second optical signal into a second electrical signal, and a processing unit operatively coupled to the optical transmitter and the optical receiver. The processing unit is configured to obtain first wavelength information of the first optical signal and second wavelength information of the second optical signal and compare the first wavelength information and the second wavelength information to control a wavelength separation interval between the first optical signal and the second optical signal.

US Patent:

20150139639, May 21, 2015

Filed:

Dec 8, 2014

Appl. No.:

14/563529

Inventors:

- Buk-Gu, KR
Moon Soo PARK - Irvine CA, US

International Classification:

H04B 10/079
H04B 10/69
H04B 10/25
H04B 10/40
H04L 5/14

US Classification:

398 27

Abstract:

A scheme is described of remote control of the slicing level of a receiver in a smart SFP (or SFP+, or XFP) duplex (or BiDi, or SWBiDi) transceiver in a communication system using an operating system with OAM and PP functions, an OAM, PP & Payload Processor, a transceiver, a BERT, and an optical link in the field.