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Showing 1 to 12 of 49 entries
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Prechirper to relax the timing restrictions for soliton-dragging logic gates.

Optics letters

Islam MN, Soccolich CE, Chen CJ, Paek UC, Schroeder CM, Digiovanni DJ, Simpson JR.
PMID: 19774009
Opt Lett. 1991 Apr 15;16(8):593-5. doi: 10.1364/ol.16.000593.

The timing restrictions for soliton-dragging logic gates can be relaxed by asymmetrizing the interaction between the orthogonally polarized control and signal pulses. In particular, by prechirping the signal pulse in a normal group-velocity dispersion fiber, we find experimentally that...

Coupled high Q-factor surface nanoscale axial photonics (SNAP) microresonators.

Optics letters

Sumetsky M, Abedin K, DiGiovanni DJ, Dulashko Y, Fini JM, Monberg E.
PMID: 22446200
Opt Lett. 2012 Mar 15;37(6):990-2. doi: 10.1364/OL.37.000990.

We experimentally demonstrate series of identical two, three, and five coupled high Q-factor surface nanoscale axial photonics (SNAP) microresonators formed by periodic nanoscale variation of the optical fiber radius. These microresonators are fabricated with a 100 μm period along...

Higher-order mode fiber enables high energy chirped-pulse amplification.

Optics express

Peng X, Kim K, Mielke M, Booth T, Nicholson JW, Fini JM, Liu X, Desantolo A, Westbrook PS, Windeler RS, Monberg EM, Dimarcello FV, Headley C, Digiovanni DJ.
PMID: 24514834
Opt Express. 2013 Dec 30;21(26):32411-6. doi: 10.1364/OE.21.032411.

Energy scaling of femtosecond fiber lasers has been constrained by nonlinear impairments and optical fiber damage. Reducing the optical irradiance inside the fiber by increasing mode size lowers these effects. Using an erbium-doped higher-order mode fiber with 6000 µm(2)...

Cyber-workstation for computational neuroscience.

Frontiers in neuroengineering

Digiovanna J, Rattanatamrong P, Zhao M, Mahmoudi B, Hermer L, Figueiredo R, Principe JC, Fortes J, Sanchez JC.
PMID: 20126436
Front Neuroeng. 2010 Jan 20;2:17. doi: 10.3389/neuro.16.017.2009. eCollection 2010.

A Cyber-Workstation (CW) to study in vivo, real-time interactions between computational models and large-scale brain subsystems during behavioral experiments has been designed and implemented. The design philosophy seeks to directly link the in vivo neurophysiology laboratory with scalable computing...

Role of stat3 in skin carcinogenesis: insights gained from relevant mouse models.

Journal of skin cancer

Macias E, Rao D, Digiovanni J.
PMID: 23577258
J Skin Cancer. 2013;2013:684050. doi: 10.1155/2013/684050. Epub 2013 Mar 21.

Signal transducer and activator of transcription 3 (Stat3) is a cytoplasmic protein that is activated in response to cytokines and growth factors and acts as a transcription factor. Stat3 plays critical roles in various biological activities including cell proliferation,...

Non-canonical role of Hippo tumor suppressor serine/threonine kinase 3 STK3 in prostate cancer.

Molecular therapy : the journal of the American Society of Gene Therapy

Schirmer AU, Driver LM, Zhao MT, Wells CI, Pickett JE, O'Bryne SN, Eduful BJ, Yang X, Howard L, You S, Devi GR, DiGiovanni J, Freedland SJ, Chi JT, Drewry DH, Macias E.
PMID: 34450249
Mol Ther. 2022 Jan 05;30(1):485-500. doi: 10.1016/j.ymthe.2021.08.029. Epub 2021 Aug 25.

Serine/threonine kinase 3 (STK3) is an essential member of the highly conserved Hippo tumor suppressor pathway that regulates Yes-associated protein 1 (YAP1) and TAZ. STK3 and its paralog STK4 initiate a phosphorylation cascade that regulates YAP1/TAZ inhibition and degradation,...

NUAK family kinase 2 is a novel therapeutic target for prostate cancer.

Molecular carcinogenesis

Fu W, Zhao MT, Driver LM, Schirmer AU, Yin Q, You S, Freedland SJ, DiGiovanni J, Drewry DH, Macias E.
PMID: 34818445
Mol Carcinog. 2021 Nov 24; doi: 10.1002/mc.23374. Epub 2021 Nov 24.

Current advancements in prostate cancer (PC) therapies have been successful in slowing PC progression and increasing life expectancy; however, there is still no curative treatment for advanced metastatic castration resistant PC (mCRPC). Most treatment options target the androgen receptor,...

Analysis of aromatic DNA adducts and 7,8-dihydro-8-oxo-2' deoxyguanosine in lymphocyte DNA from a case-control study of lung cancer involving minority populations.

Molecular carcinogenesis

Vulimiri SV, Wu X, Baer-Dubowska W, Andrade Md, Detry M, Spitz MR, DiGiovanni J.
PMID: 10747297
Mol Carcinog. 2000 Apr;27(4):330. doi: 10.1002/(sici)1098-2744(200004)27:4<330::aid-mc11>3.0.co;2-e.

No abstract available.

Polarization-maintaining, large-effective-area, higher-order-mode fiber.

Optics letters

Ahmad R, Yan MF, Nicholson JW, Abedin KS, Westbrook PS, Headley C, Wisk PW, Monberg EM, DiGiovanni DJ.
PMID: 28957292
Opt Lett. 2017 Jul 01;42(13):2591-2594. doi: 10.1364/OL.42.002591.

Higher-order-mode (HOM) fibers guiding light in large-effective-area (A

Seven-core erbium-doped double-clad fiber amplifier pumped simultaneously by side-coupled multimode fiber.

Optics letters

Abedin KS, Fini JM, Thierry TF, Zhu B, Yan MF, Bansal L, Dimarcello FV, Monberg EM, DiGiovanni DJ.
PMID: 24562260
Opt Lett. 2014 Feb 15;39(4):993-6. doi: 10.1364/OL.39.000993.

We demonstrate a seven-core erbium-doped fiber amplifier in which all the cores were pumped simultaneously by a side-coupled tapered multimode fiber. The amplifier has multicore (MC) MC inputs and MC outputs, which can be readily spliced to MC transmission...

Scaling the effective area of higher-order-mode erbium-doped fiber amplifiers.

Optics express

Nicholson JW, Fini JM, DeSantolo AM, Liu X, Feder K, Westbrook PS, Supradeepa VR, Monberg E, DiMarcello F, Ortiz R, Headley C, DiGiovanni DJ.
PMID: 23187220
Opt Express. 2012 Oct 22;20(22):24575-84. doi: 10.1364/OE.20.024575.

We demonstrate scaling of the effective area of higher-order mode, Er-doped fiber amplifiers. Two Er-doped higher-order mode fibers, one with 3800 μm(2) A(eff) in the LP(0,11) mode, and one with 6000 μm(2) effective area in the LP(0,14) mode, are...

Measurement of erbium confinement in optical fibers: a differential mode-launching technique.

Optics letters

Vengsarkar AM, Digiovanni DJ, Reed WA, Quoi KW, Walker KL.
PMID: 19798156
Opt Lett. 1992 Sep 15;17(18):1277-9. doi: 10.1364/ol.17.001277.

We present a selective mode-launching technique to determine the confinement of erbium in optical fibers. The loss per meter, alpha(lm), of the individual LP(lm) modes (LP(01) and LP(11) at 980 nm) is measured, and the ratio gamma = alpha(01)/alpha(11)...

Showing 1 to 12 of 49 entries