-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 PqdGAOQBwhsmVETw3khQdwuKj8tsubVNni043VoX5sbob92id8URc+zD8DOpn8gz
 bw2DOUDgsH/U+Bf1ZUyzJQ==

<SEC-DOCUMENT>0001279141-09-000003.txt : 20091015
<SEC-HEADER>0001279141-09-000003.hdr.sgml : 20091015
<ACCEPTANCE-DATETIME>20091014183706
ACCESSION NUMBER:		0001279141-09-000003
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20091015
DATE AS OF CHANGE:		20091014
EFFECTIVENESS DATE:		20091015

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LIGHTWAVES SYSTEMS INC
		CENTRAL INDEX KEY:			0001279141
		IRS NUMBER:				412038051
		STATE OF INCORPORATION:			IA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-62726
		FILM NUMBER:		091120063

	BUSINESS ADDRESS:	
		STREET 1:		1131 WENIG RD NE
		CITY:			CEDAR RAPIDS
		STATE:			IA
		ZIP:			52402
		BUSINESS PHONE:		319-362-4999

	MAIL ADDRESS:	
		STREET 1:		1131 WENIG RD NE
		CITY:			CEDAR RAPIDS
		STATE:			IA
		ZIP:			52402
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0603</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001279141</cik>
        <entityName>LIGHTWAVES SYSTEMS INC</entityName>
        <issuerAddress>
            <street1>1131 WENIG RD NE</street1>
            <city>CEDAR RAPIDS</city>
            <stateOrCountry>IA</stateOrCountry>
            <zipCode>52402</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>319-362-4999</issuerPhoneNumber>
        <jurisdictionOfInc>IOWA</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Philip</firstName>
                <middleName>Thrasher</middleName>
                <lastName>Kennedy</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1131 Wenig Rd. NE</street1>
                <city>Cedar Rapids</city>
                <stateOrCountry>IA</stateOrCountry>
                <zipCode>52402</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Charles</firstName>
                <middleName>Merrell</middleName>
                <lastName>Peters</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1131 Wenig Rd. NE</street1>
                <city>Cedar Rapids</city>
                <stateOrCountry>IA</stateOrCountry>
                <zipCode>52402</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>David</firstName>
                <middleName>Gene</middleName>
                <lastName>Sengpiel</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1131 Wenig Rd. NE</street1>
                <city>Cedar Rapids</city>
                <stateOrCountry>IA</stateOrCountry>
                <zipCode>52402</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Joseph</firstName>
                <middleName>Alvin</middleName>
                <lastName>Gerke</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1131 Wenig Rd. NE</street1>
                <city>Cedar Rapids</city>
                <stateOrCountry>IA</stateOrCountry>
                <zipCode>52402</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Telecommunications</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>No Revenues</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2009-09-21</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isDebtType>true</isDebtType>
            <isSecurityToBeAcquiredType>true</isSecurityToBeAcquiredType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>5000</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>2500000</totalOfferingAmount>
            <totalAmountSold>1500000</totalAmountSold>
            <totalRemaining>1000000</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>13</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>300000</dollarAmount>
                <isEstimate>true</isEstimate>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>LIGHTWAVES SYSTEMS INC</issuerName>
                <signatureName>Joseph A. Gerke</signatureName>
                <nameOfSigner>Joseph A. Gerke</nameOfSigner>
                <signatureTitle>Vice President</signatureTitle>
                <signatureDate>2009-10-14</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----