Zobrazeno 1 - 10
of 91
pro vyhledávání: '"Sangyoun Gee"'
Publikováno v:
Microwave and Optical Technology Letters. 54:2256-2261
In this comprehensive study, we report on the pulse characteristics of a mode-locked fiber laser comprised of an ytterbium (Yb)-doped fiber and a semiconductor saturable absorber mirror (SESAM). We show experimentally that the pulse width and peak po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a85ac3ee016a3b39b6e163646a05665e
https://doi.org/10.1002/mop.27077
https://doi.org/10.1002/mop.27077
Autor:
Daniel J. Ripin, A. Napoleone, Sangyoun Gee, Joseph P. Donnelly, Frederick J. O'Donnell, Leo J. Missaggia, Douglas C. Oakley, William Loh, Jonathan Klamkin, Jason J. Plant, Juliet T. Gopinath, Peter J. Delfyett, Paul W. Juodawlkis
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics. 17:1698-1714
We review the development of a new class of high-power, edge-emitting, semiconductor optical gain medium based on the slab-coupled optical waveguide (SCOW) concept. We restrict the scope to InP-based devices incorporating either InGaAsP or InGaAlAs q
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::160eb80d31a501a86a1206260c5e8fdd
https://doi.org/10.1109/jstqe.2011.2126041
https://doi.org/10.1109/jstqe.2011.2126041
Publikováno v:
Journal of Lightwave Technology. 26:2571-2577
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 opti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::266dedc6e10b5df0362c4cb4fb939282
https://doi.org/10.1109/jlt.2008.927176
https://doi.org/10.1109/jlt.2008.927176
Autor:
Sangyoun Gee, Lei Pan, Wangkuen Lee, Tao Luo, Shibin Jiang, Michael Mielke, Kyungbum Kim, Xiang Peng, Qing Wang
Publikováno v:
Optics express. 23(4)
A monolithic polarization maintaining fiber chirped pulse amplification system with 25 cm Yb(3+)-doped high efficiency media fiber that generates 62 µJ sub-400 fs pulses with 25 W at 1.03 µm has recently been demonstrated.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf22542a865d0cd8639c4bf40ad861c5
https://pubmed.ncbi.nlm.nih.gov/25836512
https://pubmed.ncbi.nlm.nih.gov/25836512
Autor:
Peter J. Delfyett, T. Yilmaz, H. Izadpanah, Wangkuen Lee, Myoung-Taek Choi, Sarper Ozharar, Franklyn Quinlan, Sangyoun Gee
Publikováno v:
Journal of Lightwave Technology. 24:2701-2719
Modelocked semiconductor lasers are used to generate a set of phase-locked optical frequencies on a periodic grid. The periodic and phase coherent nature of the optical frequency combs makes it possible for the realization of high-performance optical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98c4991f9dd4e9898f0fa14f09a526fb
https://doi.org/10.1109/jlt.2006.875948
https://doi.org/10.1109/jlt.2006.875948
Autor:
Gerard A. Alphonse, Sangyoun Gee, Christopher P. J. Barty, John C. Connolly, Peter J. Delfyett
Publikováno v:
IEEE Journal of Quantum Electronics. 36:1035-1040
Intracavity spectral shaping and external chirp compensation techniques were employed to generate nearly transform-limited optical pulses with a temporal duration of 250 fs from an external-cavity modelocked semiconductor laser. It was also demonstra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfc407c51b92f778b7485083bd684995
https://doi.org/10.1109/3.863955
https://doi.org/10.1109/3.863955
Publikováno v:
IEEE Journal of Quantum Electronics. 35:487-500
Joint time-frequency ultrafast measurements using frequency-resolved optical gating (FROG) have been used to provide a fundamental understanding of: (1) ultrashort pulse propagation in semiconductor optical amplifiers; (2) the modelocking dynamics in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fab93631252e65ac081c2da39672cb9f
https://doi.org/10.1109/3.753653
https://doi.org/10.1109/3.753653
Publikováno v:
IEEE Photonics Technology Letters. 20:36-38
We propose a theory and experimentally verify ultraflat comb generation by dual-sine-wave phase-only modulation. This novel approach requires a single optical element and is very practical and efficient in terms of both power budget and bandwidth. Us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::398331a4bad54b871418725df2f09024
https://doi.org/10.1109/lpt.2007.910755
https://doi.org/10.1109/lpt.2007.910755
Publikováno v:
IEEE Photonics Technology Letters. 19:1221-1223
Characterization of the timing and amplitude (AM) noise have shown a greater than 20-dB reduction of the supermode noise spurs from a harmonically mode-locked laser by continuous-wave optical injection. A reduction of the timing jitter and AM noise f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24d116f7d11f87eead4252c5fd9499bd
https://doi.org/10.1109/lpt.2007.901490
https://doi.org/10.1109/lpt.2007.901490
Autor:
Peter J. Delfyett, Franklyn Quinlan, Sangyoun Gee, Sarper Ozharar, Jason J. Plant, Paul W. Juodawlkis
Publikováno v:
IEEE Photonics Technology Letters. 19:498-500
Noise characteristics are studied for a self-stabilized laser utilizing the interplay between the intracavity dispersion and the optical frequency shift. The noise suppression bandwidth of this scheme is from 0 to ~100 KHz and showed the reduction of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b65bbc7c078c41f32c414483e1195318
https://doi.org/10.1109/lpt.2007.892902
https://doi.org/10.1109/lpt.2007.892902