US 9,753,223 B2Granted

Multiwavelength optical sub-assembly module

AssigneeOptowell Co., Ltd.

InventorsGye Mo Yang, Jeong Kwon Son, Sae Young Han, Sun Young So

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Abstract

A multiwavelength optical sub-assembly module including a housing to be connected to an optical cable, a plurality of optical filter units coupled to the housing and configured to guide optical signals, a plurality of transceiver units coupled to the housing and configured to receive the optical signals through the optical filter units or transmit the optical signals to the optical filter units, and a substrate coupled to each of the transceiver units. Thus, distortion of an optical signal is suppressed, and the defect rate of a product is allowed to be decreased by evaluating reliability.

Claims11

Dependent claims

A multiwavelength optical sub-assembly module comprising:

a housing to be connected to an optical cable;
a plurality of optical guide units coupled to the housing and configured to guide optical signals;
a plurality of transmitter-receiver units coupled to the housing and configured to receive the optical signals through the optical guide units or transmit the optical signals to the optical guide units;
and
a substrate coupled to each of the transmitter-receiver units,
wherein the housing includes:
a body unit;
a plurality of filter installation units formed on the body unit and having the optical guide units installed thereon;
and
a lens unit formed on the body unit and configured to align an optical signal transceived through the optical cable,
wherein each of the filter installation units is coupled to an edge of each of the optical guide units so as not to interfere with the optical signal,
wherein each of the optical guide units includes:
a lens light guide unit for transmission disposed on a straight line with the lens unit and configured to pass an optical signal having a set wavelength or more and to reflect an optical signal having a wavelength less than the set wavelength to guide the optical signal to the lens unit;
an optical reflection unit for transmission disposed to face the lens light guide unit for transmission and configured to reflect an optical signal and guide the optical signal to the lens light guide unit for transmission;
a long wavelength guide unit for transmission disposed on a straight line with the lens light guide unit for transmission and configured to guide an optical signal generated by each of the transmitter-receiver units to the lens light guide unit for transmission;
a receiving guide unit for transmission disposed on a straight line with the lens light guide unit for transmission and configured to guide an optical signal passing through the long wavelength guide unit for transmission to each of the transmitter-receiver units;
and
a short wavelength guide unit for transmission disposed on a straight line with the optical reflection unit for transmission and configured to guide an optical signal generated by each of the transmitter-receiver units to the optical reflection unit for transmission.

15 more elements

A multiwavelength optical sub-assembly module comprising:

a housing to be connected to an optical cable;
a plurality of optical guide units coupled to the housing and configured to guide optical signals;
a plurality of transmitter-receiver units coupled to the housing and configured to receive the optical signals through the optical guide units or transmit the optical signals to the optical guide units;
and
a substrate coupled to each of the transmitter-receiver units,
wherein the housing includes:
a body unit;
a plurality of filter installation units formed on the body unit and having the optical guide units installed thereon;
and
a lens unit formed on the body unit and configured to align an optical signal transceived through the optical cable,
wherein each of the filter installation units is coupled to an edge of each of the optical guide units so as not to interfere with the optical signal,
wherein each of the optical guide units includes:
a lens light guide unit for reception disposed on a straight line with the lens unit and configured to pass an optical signal having a set wavelength or more and to reflect an optical signal having a wavelength less than the set wavelength;
an optical reflection unit for reception disposed to face the lens light guide unit for reception and configured to guide an optical signal reflected by the lens light guide unit for reception;
a long wavelength guide unit for reception disposed on a straight line with the lens light guide unit for reception and configured to guide an optical signal passing through the lens light guide unit for reception to each of the transmitter-receiver units;
a transmission guide unit for reception disposed on a straight line with the lens light guide unit for reception and configured to guide an optical signal generated by each of the transmitter-receiver units to the lens light guide unit for reception;
and
a short wavelength guide unit for reception disposed on a straight line with the optical reflection unit for reception and configured to guide an optical signal reflected by the optical reflection unit for reception to each of the transmitter-receiver units.

15 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/302,942Filed 8 Apr 2014
Published: US 2017/0031100 A12 Feb 2017
Granted: 5 Sep 2017
Term ends: Not estimatedThe source records don’t support an estimate.

Classification11 codes

G02B 6/29365
Serial cascade of filters or filtering operations, e.g. for a large number of channels: in a multireflection configuration, i.e. beam following a…
G02B 6/28
Optical coupling means: having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing…
G02B 6/293
Having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals:…
G02B 6/29362
Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters: serial cascade…

Family

US 2017/0031100 A1Pre-grant publication · published 2 Feb 2017
US 9,753,223 B2This patent

From the US filing history. Foreign family members aren’t listed.

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