<SEC-DOCUMENT>0001683168-21-001304-index.html : 20210409
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<ACCEPTANCE-DATETIME>20210409160413
ACCESSION NUMBER:		0001683168-21-001304
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		15
CONFORMED PERIOD OF REPORT:	20210405
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20210409
DATE AS OF CHANGE:		20210409

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			APPLIED OPTOELECTRONICS, INC.
		CENTRAL INDEX KEY:			0001158114
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				760533927
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36083
		FILM NUMBER:		21817834

	BUSINESS ADDRESS:	
		STREET 1:		13139 JESS PIRTLE BLVD
		CITY:			SUGAR LAND
		STATE:			TX
		ZIP:			77478
		BUSINESS PHONE:		281-295-1800

	MAIL ADDRESS:	
		STREET 1:		13139 JESS PIRTLE BLVD
		CITY:			SUGAR LAND
		STATE:			TX
		ZIP:			77478

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	APPLIED OPTOELECTRONICS INC
		DATE OF NAME CHANGE:	20010824
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Document 1 - file: appliedopto_i8k.htm

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<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>2
<FILENAME>appliedopto_ex1001.htm
<DESCRIPTION>FIFTH AMENDMENT TO LOAN AGREEMENT AND FOURTH AMENDMENT TO SECURITY AGREEMENT
<TEXT>
Document 2 - file: appliedopto_ex1001.htm

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<DOCUMENT>
<TYPE>EX-10.2
<SEQUENCE>3
<FILENAME>appliedopto_ex1002.htm
<DESCRIPTION>NOTE MODIFICATION AGREEMENT
<TEXT>
Document 3 - file: appliedopto_ex1002.htm

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<TYPE>EX-10.3
<SEQUENCE>4
<FILENAME>appliedopto_ex1003.htm
<DESCRIPTION>ADDENDUM TO PROMISSORY NOTE
<TEXT>
Document 4 - file: appliedopto_ex1003.htm

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<FILENAME>aaoi-20210405.xsd
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<DESCRIPTION>XBRL LABEL FILE
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Document 7 - file: aaoi-20210405_pre.xml

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<TYPE>EXCEL
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<TEXT>
Document 10 - file: Financial_Report.xlsx

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<SEQUENCE>13
<FILENAME>FilingSummary.xml
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<TEXT>
Document 13 - file: FilingSummary.html

Document 13 - RAW XML: FilingSummary.xml

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<TYPE>JSON
<SEQUENCE>15
<FILENAME>MetaLinks.json
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<TEXT>
Document 15 - file: MetaLinks.json

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<TYPE>ZIP
<SEQUENCE>16
<FILENAME>0001683168-21-001304-xbrl.zip
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