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Sarper Ozharar - IEEE Xplore Author Profile

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Author details

Sarper Ozharar

Also published under: S. Ozharar

Publications

53

Citations

655

Publications by Year

20042024

Co-Authors:

Mehmetcan AkbulutYoshiaki AonoIsinsu BaylamYuheng ChenM. Choi

Show All Co-Authors (56)

Sarper Ozharar

Also published under: S. Ozharar

Affiliation

NEC Laboratories America, Inc

Publication Topics

Optic Cables,
Optical Fiber,
Backscatter,
Convolutional Neural Network,
Frequency Domain,
Power Spectral Density,
Residual Block,
2D Form,
Acoustic Detection,
Acoustic Events,
Acoustic Field,
Acoustic Localization

Biography

Sarper Ozharar (M'01) received the B.S. degree in physics from Koç University, Istanbul, Turkey, in 2002 and the M.S. degree in optics from the University of Central Florida, Orlando, in 2005.,His current research focuses on arbitrary waveform generation, novel cavity modulation schemes, and low-noise lasers.,Mr. Ozharar is a student member of the IEEE Lasers and Electro-Optics Society (LEOS), the Optical Society of America (OSA), and the Optical Committee of Turkey.(Based on document published on 5 July 2006).

Publications

53

Citations

655

Publications by Year

20042024

Co-Authors:

Mehmetcan Akbulut
Yoshiaki Aono
Isinsu Baylam
Yuheng Chen
M. Choi

Show All Co-Authors (56)

Author's Published Works

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Showing 1-25 of 53 results

Conferences (42)

Journals (11)

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Sarper Ozharar(31)
S. Ozharar(22)
Peter J. Delfyett(21)
S. Gee(18)
F. Quinlan(18)
CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL, USA(11)
Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, MA, USA(6)
College of Optics and Photonics, Center for Research and Education in Optics and Lasers, University of Central Florida, Orlando, FL, USA(4)
College of Optics, Center for Research & Education in Optics & Lasers, University of Central Florida, Orlando, FL, USA(4)
Northwestern University, Evanston, IL, USA(3)
IEEE Photonics Technology Letters(8)
LEOS 2006 - 19th Annual Meeting of the IEEE Lasers and Electro-Optics Society(4)
2005 IEEE LEOS Annual Meeting Conference Proceedings(3)
2007 Conference on Lasers and Electro-Optics (CLEO)(3)
2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science(3)
IEEE(53)
Baltimore, MD, USA(8)
Montreal, QC, Canada(4)
San Jose, CA, USA(4)
Belek-Antalya, Turkey(3)
San Diego, CA, USA(3)
Mode-locked Laser(33)
Timing Jitter(19)
Frequency Comb(18)
Optical Frequency(17)
Optical Comb(16)

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Seeing the Vibration from Fiber-Optic Cables: Rain Intensity Monitoring using Deep Frequency Filtering

Zhuocheng Jiang;Yangmin Ding;Junhui Zhao;Yue Tian;Shaobo Han;Sarper Ozharar;Ting Wang;James M. Moore

2024 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)

Year: 2024 | Conference Paper |

Cited by: Papers (1)

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The various sensing technologies such as cameras, Li-DAR, radar, and satellites with advanced machine learning models offers a comprehensive approach to environmental perception and understanding. This paper introduces an innovative Distributed Fiber Optic Sensing (DFOS) technology utilizing the existing telecommunication infrastructure networks for rain intensity monitoring. DFOS enables a novel ...Show More

Seeing the Vibration from Fiber-Optic Cables: Rain Intensity Monitoring using Deep Frequency Filtering

Zhuocheng Jiang;Yangmin Ding;Junhui Zhao;Yue Tian;Shaobo Han;Sarper Ozharar;Ting Wang;James M. Moore

2024 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)

Year: 2024 | Conference Paper |

Distributed Fiber Optic Sensing for Fault Localization Caused by Fallen Tree Using Physics-informed ResNet

Yangmin Ding;Sarper Ozharar;Zhuocheng Jiang;Yue Tian;Ting Wang;Junbo Zhao

2024 IEEE Power & Energy Society Innovative Smart Grid Technologies Conference (ISGT)

Year: 2024 | Conference Paper |

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Falling trees or their limbs can cause power lines to break or sag, sometimes resulting in devastating wildfires. Conventional protections such as circuit breakers, overcurrent relays and automatic circuit reclosers may clear short circuits caused by tree contact, but they may not detect cases where the conductors remain intact or a conducting path is not sufficient to create a full short circuit....Show More

Distributed Fiber Optic Sensing for Fault Localization Caused by Fallen Tree Using Physics-informed ResNet

Yangmin Ding;Sarper Ozharar;Zhuocheng Jiang;Yue Tian;Ting Wang;Junbo Zhao

2024 IEEE Power & Energy Society Innovative Smart Grid Technologies Conference (ISGT)

Year: 2024 | Conference Paper |

Utility Polelocalization by Learning from Ambient Traces on Distributed Acoustic Sensing

Zhuocheng Jiang;Yue Tian;Yangmin Ding;Sarper Ozharar;Ting Wang

ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

Year: 2023 | Conference Paper |

Cited by: Papers (2)

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Utility pole detection and localization is the most fundamental application in aerial-optic cables using distributed acoustic sensing (DAS). The existing pole localization method recognizes the hammer knock signal on DAS traces by learning from knocking vibration patterns. However, it requires many efforts for data collection such as knocking every pole and manually labeling the poles’ locations, ...Show More

Utility Polelocalization by Learning from Ambient Traces on Distributed Acoustic Sensing

Zhuocheng Jiang;Yue Tian;Yangmin Ding;Sarper Ozharar;Ting Wang

ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

Year: 2023 | Conference Paper |

Field Tests of Impulsive Acoustic Event Detection, Localization, and Classification Over Telecom Fiber Networks

Ming-Fang Huang;Jian Fang;Shaobo Han;Zhuocheng Jiang;Sarper Ozharar;Yuheng Chen;Tomoyuki Hino;Ting Wang

2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC)

Year: 2022 | Conference Paper |

Cited by: Papers (2)

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We report distributed-fiber-optic-sensing results on impulsive acoustic events localization/classification over telecom networks. A deep-learning-based model was trained to classify starter-gun and fireworks signatures with high accuracy of > 99% using fiber-based-signal-enhancer and >97% using aerial coils. © 2022Show More

Field Tests of Impulsive Acoustic Event Detection, Localization, and Classification Over Telecom Fiber Networks

Ming-Fang Huang;Jian Fang;Shaobo Han;Zhuocheng Jiang;Sarper Ozharar;Yuheng Chen;Tomoyuki Hino;Ting Wang

2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC)

Year: 2022 | Conference Paper |

A Dispersion Managed Phase Only Modulation 18 GHz Optoelectronic Oscillator

Ibrahim T. Ozdur;Sarper Ozharar

IEEE Photonics Technology Letters

Year: 2022 | Volume: 34, Issue: 3 | Journal Article |

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In this manuscript, we propose and experimentally demonstrate a dispersion controlled optoelectronic oscillator with phase only modulator at 18 GHz. The generated microwave signal has a phase noise of −108 dBc/Hz at 10 kHz offset frequency and the integrated timing jitter is calculated to be 16.2 fs (1 kHz to 100 MHz) and 20 fs (1kHz to Nyquist).Show More

A Dispersion Managed Phase Only Modulation 18 GHz Optoelectronic Oscillator

Ibrahim T. Ozdur;Sarper Ozharar

IEEE Photonics Technology Letters

Year: 2022 | Volume: 34, Issue: 3 | Journal Article |

Static Weight Detection and Localization on Aerial Fiber Cables using Distributed Acoustic Sensing

Sarper Ozharar;Yangmin Ding;Yue Tian;Ting Wang;Yukihide Yoda;Yoshiaki Aono

2021 Optical Fiber Communications Conference and Exhibition (OFC)

Year: 2021 | Conference Paper |

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We demonstrated for the first time to our knowledge, the detection and localization of a static weight on an aerial cable by using frequency domain decomposition analysis of ambient vibrations detected by a φ-DAS system.Show More

Static Weight Detection and Localization on Aerial Fiber Cables using Distributed Acoustic Sensing

Sarper Ozharar;Yangmin Ding;Yue Tian;Ting Wang;Yukihide Yoda;Yoshiaki Aono

2021 Optical Fiber Communications Conference and Exhibition (OFC)

Year: 2021 | Conference Paper |

Automatic Fine-Grained Localization of Utility Pole Landmarks on Distributed Acoustic Sensing Traces Based on Bilinear Resnets

You Lu;Yue Tian;Shaobo Han;Eric Cosatto;Sarper Ozharar;Yangmin Ding

ICASSP 2021 - 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

Year: 2021 | Conference Paper |

Cited by: Papers (8)

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In distributed acoustic sensing (DAS) on aerial fiber-optic cables, utility pole localization is a prerequisite for any subsequent event detection. Currently, localizing the utility poles on DAS traces relies on human experts who manually label the poles’ locations by examining DAS signal patterns generated in response to hammer knocks on the poles. This process is inefficient, error-prone and exp...Show More

Automatic Fine-Grained Localization of Utility Pole Landmarks on Distributed Acoustic Sensing Traces Based on Bilinear Resnets

You Lu;Yue Tian;Shaobo Han;Eric Cosatto;Sarper Ozharar;Yangmin Ding

ICASSP 2021 - 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

Year: 2021 | Conference Paper |

Field Trial of Distributed Fiber Sensor Network Using Operational Telecom Fiber Cables as Sensing Media

Glenn A. Wellbrock;Tiejun J. Xia;Ming-Fang Huang;Milad Salemi;Yaowen Li;Philip N. Ji;Sarper Ozharar;Yuheng Chen;Yangmin Ding;Yue Tian;Ting Wang;Yoshiaki Aono

2020 European Conference on Optical Communications (ECOC)

Year: 2020 | Conference Paper |

Cited by: Papers (7)

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We demonstrate fiber optic sensing systems in a distributed fiber sensor network built on existing telecom infrastructure to detect temperature, acoustic effects, vehicle traffic, etc. Measurements are also demonstrated with different network topologies and simultaneously sensing four fiber routes with one system.Show More

Field Trial of Distributed Fiber Sensor Network Using Operational Telecom Fiber Cables as Sensing Media

Glenn A. Wellbrock;Tiejun J. Xia;Ming-Fang Huang;Milad Salemi;Yaowen Li;Philip N. Ji;Sarper Ozharar;Yuheng Chen;Yangmin Ding;Yue Tian;Ting Wang;Yoshiaki Aono

2020 European Conference on Optical Communications (ECOC)

Year: 2020 | Conference Paper |

The Effects of Intracavity Phase Modulation and Extracavity Optical Filtering on Amplitude Noise of Mode-Locked Pulse Trains

Sarper Ozharar;Ibrahim Ozdur

2018 IEEE Photonics Conference (IPC)

Year: 2018 | Conference Paper |

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An actively mode-locked, fiber-coupled semiconductor ring laser that employs both a phase modulator and an amplitude modulator was built. The laser was mode-locked by loss modulation at 10 GHz and the intracavity phase modulator was driven at the cavity fundamental frequency of 1.63 MHz. The effects of the intracavity phase modulation on the stability of the optical spectrum, the timing jitter, an...Show More

The Effects of Intracavity Phase Modulation and Extracavity Optical Filtering on Amplitude Noise of Mode-Locked Pulse Trains

Sarper Ozharar;Ibrahim Ozdur

2018 IEEE Photonics Conference (IPC)

Year: 2018 | Conference Paper |

Graphene supercapacitor as a voltage controlled saturable absorber for femtosecond pulse generation

Isinsu Baylam;M. Natali Cizmeciyan;Sarper Ozharar;E. Ozan Polat;Coskun Kocabas;Alphan Sennaroglu

2014 Conference on Lasers and Electro-Optics (CLEO) - Laser Science to Photonic Applications

Year: 2014 | Conference Paper |

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For the first time to our knowledge, we employed a graphene supercapacitor as a voltage controlled saturable absorber at bias voltages of 0.5-1V to generate 84-fs pulses from a solid-state laser near 1255 nm.Show More

Graphene supercapacitor as a voltage controlled saturable absorber for femtosecond pulse generation

Isinsu Baylam;M. Natali Cizmeciyan;Sarper Ozharar;E. Ozan Polat;Coskun Kocabas;Alphan Sennaroglu

2014 Conference on Lasers and Electro-Optics (CLEO) - Laser Science to Photonic Applications

Year: 2014 | Conference Paper |

Two-Dimensional Optical Code-Division Modulation With Quantum-Noise Aided Encryption for Applications in Key Distribution

Sarper Ozharar;Daniel R. Reilly;Shawn X. Wang;Gregory S. Kanter;Prem Kumar

Journal of Lightwave Technology

Year: 2011 | Volume: 29, Issue: 14 | Journal Article |

Cited by: Papers (2)

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We propose and demonstrate an advanced optical modulation format that makes use of both spectral and temporal phase encodings (2-D) for applications requiring exceptional security. The method combines modulation techniques used in direct-sequence spread-spectrum coding, spectral-phase encoding, and M-ary phase-shift keying with codes generated using cryptographically secure pseudorandom number gen...Show More

Two-Dimensional Optical Code-Division Modulation With Quantum-Noise Aided Encryption for Applications in Key Distribution

Sarper Ozharar;Daniel R. Reilly;Shawn X. Wang;Gregory S. Kanter;Prem Kumar

Journal of Lightwave Technology

Year: 2011 | Volume: 29, Issue: 14 | Journal Article |

A Semiconductor-Based 10-GHz Optical Comb Source With Sub 3-fs Shot-Noise-Limited Timing Jitter and $\sim$500-Hz Comb Linewidth

Ibrahim Ozdur;Mehmetcan Akbulut;Nazanin Hoghooghi;Dimitrios Mandridis;Sarper Ozharar;Franklyn Quinlan;Peter J. Delfyett

IEEE Photonics Technology Letters

Year: 2010 | Volume: 22, Issue: 6 | Journal Article |

Cited by: Papers (54)

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In this work, a 10.287-GHz semiconductor-based harmonically mode-locked laser with 1000 finesse intracavity etalon is demonstrated. The timing jitter integrated from 1 Hz to 100 MHz (Nyquist) is 3 fs (14 fs). The optical linewidth is ~500 Hz and the optical frequency stability is <150 kHz over 30 s.Show More

A Semiconductor-Based 10-GHz Optical Comb Source With Sub 3-fs Shot-Noise-Limited Timing Jitter and $\sim$500-Hz Comb Linewidth

Ibrahim Ozdur;Mehmetcan Akbulut;Nazanin Hoghooghi;Dimitrios Mandridis;Sarper Ozharar;Franklyn Quinlan;Peter J. Delfyett

IEEE Photonics Technology Letters

Year: 2010 | Volume: 22, Issue: 6 | Journal Article |

Semiconductor based optical frequency comb source with optical linewidth ≪1 kHz

Ibrahim Ozdur;Mehmetcan Akbulut;Nazanin Hoghooghi;Dimitrios Mandridis;Sarper Ozharar;Franklyn Quinlan;Peter J. Delfyett

2009 IEEE LEOS Annual Meeting Conference Proceedings

Year: 2009 | Conference Paper |

Cited by: Papers (1)

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A low noise, frequency stabilized, semiconductor based, 10.287 GHz actively mode-locked laser is reported with optical linewidth <1 kHz, optical frequency instability of ~150 kHz and integrated timing jitter (1 Hz-100 MHz) of 3fs.Show More

Semiconductor based optical frequency comb source with optical linewidth ≪1 kHz

Ibrahim Ozdur;Mehmetcan Akbulut;Nazanin Hoghooghi;Dimitrios Mandridis;Sarper Ozharar;Franklyn Quinlan;Peter J. Delfyett

2009 IEEE LEOS Annual Meeting Conference Proceedings

Year: 2009 | Conference Paper |

Optical frequency stabilized coupled optoelectronic oscillator

Ibrahim Ozdur;Mehmetcan Akbulut;Nazanin Hoghooghi;Dimitrios Mandridis;Sarper Ozharar;Franklyn Quinlan;Peter J. Delfyett

2009 IEEE LEOS Annual Meeting Conference Proceedings

Year: 2009 | Conference Paper |

Cited by: Papers (1)

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An optical frequency stabilized, coupled optoelectronic oscillator(COEO) with 1000 finesse intracavity etalon is presented with 10.287 GHz optical comb separation, <1kHz optical linewidth and >121dBc/Hz RF supermode noise spur suppression.Show More

Optical frequency stabilized coupled optoelectronic oscillator

Ibrahim Ozdur;Mehmetcan Akbulut;Nazanin Hoghooghi;Dimitrios Mandridis;Sarper Ozharar;Franklyn Quinlan;Peter J. Delfyett

2009 IEEE LEOS Annual Meeting Conference Proceedings

Year: 2009 | Conference Paper |

Range resolved, high resolution lidar using frequency chirped pulses

Mohammad Umar Piracha;Dat Nguyen;Dimitrios Mandridis;Ibrahim Ozdur;Tolga Yilmaz;Sarper Ozharar;Peter J. Delfyett

2009 IEEE LEOS Annual Meeting Conference Proceedings

Year: 2009 | Conference Paper |

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A lidar system with a resolution of 400 um and a range of 10 km in fiber is demonstrated using temporally stretched, frequency chirped pulses from a mode-locked laser.Show More

Range resolved, high resolution lidar using frequency chirped pulses

Mohammad Umar Piracha;Dat Nguyen;Dimitrios Mandridis;Ibrahim Ozdur;Tolga Yilmaz;Sarper Ozharar;Peter J. Delfyett

2009 IEEE LEOS Annual Meeting Conference Proceedings

Year: 2009 | Conference Paper |

Intracavity phase modulation for phase noise and supermode noise spur suppression in mode-locked lasers

Sarper Ozharar;Ibrahim Ozdur;Franklyn Quinlan;Peter J. Delfyett

2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference

Year: 2009 | Conference Paper |

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Using intracavity active phase modulation, we have verified the theory of Haus and Rana and realized timing jitter reduction from 304 fs to 150 fs integrated to Nyquist frequency on a 10.24 GHz actively mode-locked pulse train.Show More

Intracavity phase modulation for phase noise and supermode noise spur suppression in mode-locked lasers

Sarper Ozharar;Ibrahim Ozdur;Franklyn Quinlan;Peter J. Delfyett

2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference

Year: 2009 | Conference Paper |

Frequency stabilized mode locked laser with 1000 finesse intracavity etalon

Ibrahim Ozdur;Sarper Ozharar;Mehmetcan Akbulut;Franklyn Quinlan;Dimitrios Mandridis;Peter J. Delfyett

2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference

Year: 2009 | Conference Paper |

Cited by: Papers (2)

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A low noise, frequency stabilized, semiconductor based, 10.287 GHz mode-locked laser with 1000 finesse intracavity etalon is demonstrated with a timing jitter (1 Hz-100 MHz) of 10.9 fs and optical frequency fluctuations less than 150 kHz.Show More

Frequency stabilized mode locked laser with 1000 finesse intracavity etalon

Ibrahim Ozdur;Sarper Ozharar;Mehmetcan Akbulut;Franklyn Quinlan;Dimitrios Mandridis;Peter J. Delfyett

2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference

Year: 2009 | Conference Paper |

Sub-millimeter resolution laser ranging at 9.3kilometers using temporally stretched, frequency chirped pulses from a mode-locked laser

Mohammad Umar Piracha;Dat Nguyen;Tolga Yilmaz;Dimitrios Mandridis;Sarper Ozharar;Peter J. Delfyett

2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference

Year: 2009 | Conference Paper |

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A sub-millimeter resolution ladar is demonstrated with 9.3 km delay using stretched pulses allowing amplification to high powers with negligible nonlinear effects. A coherent heterodyne detection scheme results in 30 dB dynamic range.Show More

Sub-millimeter resolution laser ranging at 9.3kilometers using temporally stretched, frequency chirped pulses from a mode-locked laser

Mohammad Umar Piracha;Dat Nguyen;Tolga Yilmaz;Dimitrios Mandridis;Sarper Ozharar;Peter J. Delfyett

2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference

Year: 2009 | Conference Paper |

Fixed-point frequency measurements of an intracavity etalon-based coupled optoelectronic oscillator

Franklyn Quinlan;Charles Williams;Sarper Ozharar;Peter J. Delfyett

LEOS 2008 - 21st Annual Meeting of the IEEE Lasers and Electro-Optics Society

Year: 2008 | Conference Paper |

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The comb dynamics of an etalon-based coupled optoelectronic oscillator are determined in terms of fixed-point frequencies. These measurements result in a stabilization scheme where changes to the optoelectronic phase and the laser cavity are decoupled.Show More

Fixed-point frequency measurements of an intracavity etalon-based coupled optoelectronic oscillator

Franklyn Quinlan;Charles Williams;Sarper Ozharar;Peter J. Delfyett

LEOS 2008 - 21st Annual Meeting of the IEEE Lasers and Electro-Optics Society

Year: 2008 | Conference Paper |

An Interferometric Method for High Extinction Ratio Measurements With 60-dB Dynamic Range

Ibrahim Ozdur;Sarper Ozharar;Franklyn Quinlan;Dimitrios Mandridis;Peter J. Delfyett

IEEE Photonics Technology Letters

Year: 2008 | Volume: 20, Issue: 24 | Journal Article |

Cited by: Papers (1)

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In this letter, we introduce a novel interferometric method for dynamic extinction ratio measurement of temporally demultiplexed pulses. A high extinction intensity modulator is used in order to temporally demultiplex the pulse train. The resulting extinction ratio is measured to be 44 dB. Our method has a dynamic range of ~60 dB. To our knowledge, this is the highest dynamic extinction ratio meas...Show More

An Interferometric Method for High Extinction Ratio Measurements With 60-dB Dynamic Range

Ibrahim Ozdur;Sarper Ozharar;Franklyn Quinlan;Dimitrios Mandridis;Peter J. Delfyett

IEEE Photonics Technology Letters

Year: 2008 | Volume: 20, Issue: 24 | Journal Article |

Self-Stabilization of the Optical Frequencies and the Pulse Repetition Rate in a Coupled Optoelectronic Oscillator

Franklyn Quinlan;Charles Williams;Sarper Ozharar;Sangyoun Gee;Peter J. Delfyett

Journal of Lightwave Technology

Year: 2008 | Volume: 26, Issue: 15 | Journal Article |

Cited by: Papers (32)

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A coupled optoelectronic oscillator (COEO) based on a laser with a high finesse intracavity etalon is presented. Unlike a conventional COEO, the incorporation of the etalon produces a 10.24-GHz spaced optical frequency comb by selecting a single optical supermode. The same etalon serves as a reference for active stabilization of the optical frequencies and the pulse repetition rate via the Pound-D...Show More

Self-Stabilization of the Optical Frequencies and the Pulse Repetition Rate in a Coupled Optoelectronic Oscillator

Franklyn Quinlan;Charles Williams;Sarper Ozharar;Sangyoun Gee;Peter J. Delfyett

Journal of Lightwave Technology

Year: 2008 | Volume: 26, Issue: 15 | Journal Article |

Self-stabilization of the optical frequencies and pulse repetition rate in a coupled optoelectronic oscillator

Franklyn Quinlan;Charles Williams;Sarper Ozharar;Peter J. Delfyett

2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science

Year: 2008 | Conference Paper |

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A self-stabilized coupled optoelectronic oscillator is described where a single intracavity etalon is used for optical supermode selection, optical frequency stabilization and repetition rate determination and stabilization.Show More

Self-stabilization of the optical frequencies and pulse repetition rate in a coupled optoelectronic oscillator

Franklyn Quinlan;Charles Williams;Sarper Ozharar;Peter J. Delfyett

2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science

Year: 2008 | Conference Paper |

Ultra stable coupled optoelectronic oscillator based on slab-coupled optical waveguide amplifier

Sarper Ozharar;Ibrahim Ozdur;Franklyn Quinlan;Peter J. Delfyett;J. J. Plant;P. W. Juodawlkis

2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science

Year: 2008 | Conference Paper |

Cited by: Papers (1)

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We built an ultra stable coupled optoelectronic oscillator using a slab coupled optical waveguide amplifier, generating pulses at 10.24 GHz with a repetition rate drift of only 513 Hz in 10 minutes without active stabilization.Show More

Ultra stable coupled optoelectronic oscillator based on slab-coupled optical waveguide amplifier

Sarper Ozharar;Ibrahim Ozdur;Franklyn Quinlan;Peter J. Delfyett;J. J. Plant;P. W. Juodawlkis

2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science

Year: 2008 | Conference Paper |

An interferometric method for dynamic extinction ratio measurement

Ibrahim Ozdur;Sarper Ozharar;Dimitrios Mandridis;Peter J. Delfyett

2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science

Year: 2008 | Conference Paper |

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We introduce a novel interferometric method for dynamic extinction ratio measurement of temporally demultiplexed pulses by using a high extinction modulator. The resulting extinction ratio is 44 dB. Our method has a dynamic range of ~60 dB.Show More

An interferometric method for dynamic extinction ratio measurement

Ibrahim Ozdur;Sarper Ozharar;Dimitrios Mandridis;Peter J. Delfyett

2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science

Year: 2008 | Conference Paper |

Stabilized Optical Frequency Combs from Diode Lasers - Applications in Optical Communications, Signal Processing and Instrumentation

P. J. Delfyett;F. Quinlan;S. Ozharar;W. Lee

OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference

Year: 2008 | Conference Paper |

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The development of compact sources of stabilized optical frequency combs from semiconductor diode lasers will be reviewed. Applications in coherent communications and signal processing will be suggested and highlighted.Show More

Stabilized Optical Frequency Combs from Diode Lasers - Applications in Optical Communications, Signal Processing and Instrumentation

P. J. Delfyett;F. Quinlan;S. Ozharar;W. Lee

OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference

Year: 2008 | Conference Paper |

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