Iterative Algorithm for Electronic Dispersion Compensation in IM/DD Systems
A novel iterative algorithm for electronic dispersion compensation (EDC) at the transmitter is described and demonstrated for intensity modulation and direct detection (IM/DD) systems. The proposed algorithm is based on the Gerchberg-Saxton (GS) algorithm, where the link dispersion performs time-to-...
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| Veröffentlicht in: | Journal of lightwave technology 2020-02, Vol.38 (4), p.698-704 |
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| description | A novel iterative algorithm for electronic dispersion compensation (EDC) at the transmitter is described and demonstrated for intensity modulation and direct detection (IM/DD) systems. The proposed algorithm is based on the Gerchberg-Saxton (GS) algorithm, where the link dispersion performs time-to-frequency mapping, while the unconstrained phase at the direct detection receiver acts as a degree of freedom. Simulation results for a transmitter employing a single drive Mach-Zehnder modulator (MZM) operating at 28 Gb/s non-return-to-zero on-off keying (NRZ-OOK), show pre-compensation of upto 100 km of single mode fiber (SMF), with 1 dBQ margin above the forward error correction (FEC) bit error rate (BER) limit of 3.8 \times 10^{-3}. It is shown that with five iterations of the proposed EDC algorithm in digital-signal processing (DSP) coupled with an 8-bit 56 GSa/s digital-to-analog converter (DAC), the transmission reach is extended by a factor of 5 in unamplified SMF links. Simulations for a 56 Gb/s four-level pulse-amplitude-modulation (PAM-4) show the compensation of upto 10 km with five iterations of the EDC algorithm at 1 dBQ above the FEC limit. |
| doi_str_mv | 10.1109/JLT.2019.2951542 |
| format | Article |
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The proposed algorithm is based on the Gerchberg-Saxton (GS) algorithm, where the link dispersion performs time-to-frequency mapping, while the unconstrained phase at the direct detection receiver acts as a degree of freedom. Simulation results for a transmitter employing a single drive Mach-Zehnder modulator (MZM) operating at 28 Gb/s non-return-to-zero on-off keying (NRZ-OOK), show pre-compensation of upto 100 km of single mode fiber (SMF), with 1 dBQ margin above the forward error correction (FEC) bit error rate (BER) limit of <inline-formula><tex-math notation="LaTeX">3.8 \times 10^{-3}</tex-math></inline-formula>. It is shown that with five iterations of the proposed EDC algorithm in digital-signal processing (DSP) coupled with an 8-bit 56 GSa/s digital-to-analog converter (DAC), the transmission reach is extended by a factor of 5 in unamplified SMF links. Simulations for a 56 Gb/s four-level pulse-amplitude-modulation (PAM-4) show the compensation of upto 10 km with five iterations of the EDC algorithm at 1 dBQ above the FEC limit.</description><identifier>ISSN: 0733-8724</identifier><identifier>EISSN: 1558-2213</identifier><identifier>DOI: 10.1109/JLT.2019.2951542</identifier><identifier>CODEN: JLTEDG</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Algorithms ; Bit error rate ; Compensation ; Computer simulation ; Digital signal processing ; Digital to analog conversion ; digital to analog converter ; Digital to analog converters ; Direct detection receivers ; Dispersion ; electronic dispersion compensation ; Error correction ; Gerchberg Saxton algorithm ; Iterative algorithms ; Iterative methods ; Mach-Zehnder interferometers ; Mach-Zehnder modulator ; Mapping ; metro-optical links ; On-Off Keying ; Optical transmitters ; Phase modulation ; Pulse amplitude modulation ; Receivers ; Signal processing algorithms</subject><ispartof>Journal of lightwave technology, 2020-02, Vol.38 (4), p.698-704</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c291t-f8d0921be69fde02f70d34437b3bbf7f9f9de141c0aad8af49dab2b2bccbf72b3</citedby><cites>FETCH-LOGICAL-c291t-f8d0921be69fde02f70d34437b3bbf7f9f9de141c0aad8af49dab2b2bccbf72b3</cites><orcidid>0000-0003-0044-996X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8890844$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8890844$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Karar, Abdullah S.</creatorcontrib><title>Iterative Algorithm for Electronic Dispersion Compensation in IM/DD Systems</title><title>Journal of lightwave technology</title><addtitle>JLT</addtitle><description>A novel iterative algorithm for electronic dispersion compensation (EDC) at the transmitter is described and demonstrated for intensity modulation and direct detection (IM/DD) systems. The proposed algorithm is based on the Gerchberg-Saxton (GS) algorithm, where the link dispersion performs time-to-frequency mapping, while the unconstrained phase at the direct detection receiver acts as a degree of freedom. Simulation results for a transmitter employing a single drive Mach-Zehnder modulator (MZM) operating at 28 Gb/s non-return-to-zero on-off keying (NRZ-OOK), show pre-compensation of upto 100 km of single mode fiber (SMF), with 1 dBQ margin above the forward error correction (FEC) bit error rate (BER) limit of <inline-formula><tex-math notation="LaTeX">3.8 \times 10^{-3}</tex-math></inline-formula>. It is shown that with five iterations of the proposed EDC algorithm in digital-signal processing (DSP) coupled with an 8-bit 56 GSa/s digital-to-analog converter (DAC), the transmission reach is extended by a factor of 5 in unamplified SMF links. Simulations for a 56 Gb/s four-level pulse-amplitude-modulation (PAM-4) show the compensation of upto 10 km with five iterations of the EDC algorithm at 1 dBQ above the FEC limit.</description><subject>Algorithms</subject><subject>Bit error rate</subject><subject>Compensation</subject><subject>Computer simulation</subject><subject>Digital signal processing</subject><subject>Digital to analog conversion</subject><subject>digital to analog converter</subject><subject>Digital to analog converters</subject><subject>Direct detection receivers</subject><subject>Dispersion</subject><subject>electronic dispersion compensation</subject><subject>Error correction</subject><subject>Gerchberg Saxton algorithm</subject><subject>Iterative algorithms</subject><subject>Iterative methods</subject><subject>Mach-Zehnder interferometers</subject><subject>Mach-Zehnder modulator</subject><subject>Mapping</subject><subject>metro-optical links</subject><subject>On-Off Keying</subject><subject>Optical transmitters</subject><subject>Phase modulation</subject><subject>Pulse amplitude modulation</subject><subject>Receivers</subject><subject>Signal processing algorithms</subject><issn>0733-8724</issn><issn>1558-2213</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kMtLAzEQxoMoWKt3wcuC523z2m5yLH1oteLBeg7Z7ERTups12Qr9701pkTkMw3zfPH4I3RM8IgTL8ct6M6KYyBGVBSk4vUADUhQip5SwSzTAJWO5KCm_RjcxbjEmnItygF5XPQTdu1_IprsvH1z_3WTWh2yxA9MH3zqTzV3sIETn22zmmw7amAypcG22ehvP59nHIfbQxFt0ZfUuwt05D9HncrGZPefr96fVbLrODZWkz62osaSkgom0NWBqS1wzzllZsaqypZVW1kA4MVjrWmjLZa0rmsKY1KYVG6LH09wu-J89xF5t_T60aaWirOATQnF6eojwSWWCjzGAVV1wjQ4HRbA6IlMJmToiU2dkyfJwsjgA-JcLIbFI9_0BqBhobg</recordid><startdate>20200215</startdate><enddate>20200215</enddate><creator>Karar, Abdullah S.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-0044-996X</orcidid></search><sort><creationdate>20200215</creationdate><title>Iterative Algorithm for Electronic Dispersion Compensation in IM/DD Systems</title><author>Karar, Abdullah S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c291t-f8d0921be69fde02f70d34437b3bbf7f9f9de141c0aad8af49dab2b2bccbf72b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Algorithms</topic><topic>Bit error rate</topic><topic>Compensation</topic><topic>Computer simulation</topic><topic>Digital signal processing</topic><topic>Digital to analog conversion</topic><topic>digital to analog converter</topic><topic>Digital to analog converters</topic><topic>Direct detection receivers</topic><topic>Dispersion</topic><topic>electronic dispersion compensation</topic><topic>Error correction</topic><topic>Gerchberg Saxton algorithm</topic><topic>Iterative algorithms</topic><topic>Iterative methods</topic><topic>Mach-Zehnder interferometers</topic><topic>Mach-Zehnder modulator</topic><topic>Mapping</topic><topic>metro-optical links</topic><topic>On-Off Keying</topic><topic>Optical transmitters</topic><topic>Phase modulation</topic><topic>Pulse amplitude modulation</topic><topic>Receivers</topic><topic>Signal processing algorithms</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Karar, Abdullah S.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of lightwave technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Karar, Abdullah S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Iterative Algorithm for Electronic Dispersion Compensation in IM/DD Systems</atitle><jtitle>Journal of lightwave technology</jtitle><stitle>JLT</stitle><date>2020-02-15</date><risdate>2020</risdate><volume>38</volume><issue>4</issue><spage>698</spage><epage>704</epage><pages>698-704</pages><issn>0733-8724</issn><eissn>1558-2213</eissn><coden>JLTEDG</coden><abstract>A novel iterative algorithm for electronic dispersion compensation (EDC) at the transmitter is described and demonstrated for intensity modulation and direct detection (IM/DD) systems. The proposed algorithm is based on the Gerchberg-Saxton (GS) algorithm, where the link dispersion performs time-to-frequency mapping, while the unconstrained phase at the direct detection receiver acts as a degree of freedom. Simulation results for a transmitter employing a single drive Mach-Zehnder modulator (MZM) operating at 28 Gb/s non-return-to-zero on-off keying (NRZ-OOK), show pre-compensation of upto 100 km of single mode fiber (SMF), with 1 dBQ margin above the forward error correction (FEC) bit error rate (BER) limit of <inline-formula><tex-math notation="LaTeX">3.8 \times 10^{-3}</tex-math></inline-formula>. It is shown that with five iterations of the proposed EDC algorithm in digital-signal processing (DSP) coupled with an 8-bit 56 GSa/s digital-to-analog converter (DAC), the transmission reach is extended by a factor of 5 in unamplified SMF links. Simulations for a 56 Gb/s four-level pulse-amplitude-modulation (PAM-4) show the compensation of upto 10 km with five iterations of the EDC algorithm at 1 dBQ above the FEC limit.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/JLT.2019.2951542</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0003-0044-996X</orcidid></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Algorithms Bit error rate Compensation Computer simulation Digital signal processing Digital to analog conversion digital to analog converter Digital to analog converters Direct detection receivers Dispersion electronic dispersion compensation Error correction Gerchberg Saxton algorithm Iterative algorithms Iterative methods Mach-Zehnder interferometers Mach-Zehnder modulator Mapping metro-optical links On-Off Keying Optical transmitters Phase modulation Pulse amplitude modulation Receivers Signal processing algorithms |
| title | Iterative Algorithm for Electronic Dispersion Compensation in IM/DD Systems |
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