Search Results - "Feder, K. S"

Coherent optical link over hundreds of metres and hundreds of terahertz with subfemtosecond timing jitter by Le Coq, Y, Newbury, N. R, Coddington, I, Swann, W. C, Lorini, L, Bergquist, J. C, Oates, C. W, Quraishi, Q, Feder, K. S, Nicholson, J. W, Westbrook, P. S, Diddams, S. A

“…Recent developments in stabilized lasers have resulted in ultrastable optical oscillators with spectral purities below 1 Hz refs 1-6. These oscillators are not…”
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High power, single mode, all-fiber source of femtosecond pulses at 1550 nm and its use in supercontinuum generation by Nicholson, Jeffrey, Yablon, A, Westbrook, P, Feder, K, Yan, M

“…We present a source of high power femtosecond pulses at 1550 nm with compressed pulses at the end of a single mode fiber (SMF) pigtail. The system generates 34…”
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Outcome of osteochondral autograft transplantation for type-V cystic osteochondral lesions of the talus by SCRANTON, P. E, FREY, C. C, FEDER, K. S

“…The treatment of osteochondral lesions of the talus has evolved with the development of improved imaging and arthroscopic techniques. However, the outcome of…”
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Supercontinuum generation in a fiber grating by Westbrook, P. S., Nicholson, J. W., Feder, K. S., Li, Y., Brown, T.

“…We show that supercontinuum generation in a fiber containing a Bragg grating exhibits >10× enhancement near the Bragg resonance wavelength. We also show that…”
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In-fiber spectrometer using tilted fiber gratings by Feder, K.S., Westbrook, P.S., Ging, J., Reyes, P.I., Carver, G.E.

“…We demonstrate a compact in-fiber low-resolution spectrometer. Wavelength resolution of 7 nm was achieved using the core radiation-mode coupling of a tilted…”
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Mode-locked picosecond pulse generation from an octave-spanning supercontinuum by Kielpinski, D, Pullen, M G, Canning, J, Stevenson, M, Westbrook, P S, Feder, K S

“…We generate mode-locked picosecond pulses near 1110 nm by spectrally slicing and reamplifying an octave-spanning supercontinuum source pumped at 1550 nm. The…”
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DMRZ: a directly modulated 10-Gb/s RZ source for ultralong-haul WDM systems by Mahgerefteh, D., Benzoni, A.M., Westbrook, P.S., Feder, K.S., Reyes, P.I., Steinvurzel, P., Eggleton, B.J., Ernst, R.G., Reith, L.A., Gill, D.M.

“…We demonstrate a 10-Gb/s return-to-zero transmitter with 5-dBm average power, 40-ps full-width at half-maximum pulsewidth,12-dB contrast ratio, and /spl…”
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Arthroscopic Evaluation of the Subtalar Joint: Does Sinus Tarsi Syndrome Exist? by Frey, Carol, Feder, Keith S., DiGiovanni, Christopher

“…This is a retrospective review of 49 subtalar arthrosco-pies performed between 1989 and 1996. Patients were evaluated in the following areas: (1) preoperative…”
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Plantarflexion Injury to the Metatarsophalangeal Joint (“Sand Toe”) by Frey, Carol, Andersen, G. Douglas, Feder, Keith S.

“…This is a retrospective study of 12 cases of hyperplantarflexion injuries to the great toe and the lesser toes sustained in professional beach volleyball…”
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Novel waveguide structures for enhanced fiber grating devices by Eggleton, B.J., Ahuja, A.K., Feder, K.S., Headley, C., Kerbage, C., Mermelstein, M.D., Rogers, J.A., Steinvurzel, P., Westbrook, P.S., Windeler, R.S.

“…An emerging class of fiber waveguide structures is being used to increase the functionality of fiber gratings, enabling new devices critical to the performance…”
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3.28-Tb/s transmission over 3x100 km of nonzero-dispersion fiber using dual C- and L-band distributed Raman amplification by Nielsen, T N, Stentz, A J, Rottwitt, K, Vengsarkar, D S, Chen, Z J, Hansen, P B, Park, J H, Feder, K S, Cabot, S, Stulz, S, Peckham, D W, Hsu, L, Kan, C K, Judy, A F, Park, S Y, Nelson, L E, Gruner-Nielsen, L

“…A record aggregate capacity of 3.28-Tb/s (82x40 Gb/s NRZ) is transmitted over 3x100 km of nonzero-dispersion fiber. The system incorporates for the first time…”
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Mode-locked picosecond pulse generation from an octave-spanning supercontinuum by Kielpinski, D, Pullen, M. G, Canning, J, Stevenson, M, Westbrook, P. S, Feder, K. S

“…Opt. Express 17, 20833 (2009) We generate mode-locked picosecond pulses near 1110 nm by spectrally slicing and reamplifying an octave-spanning supercontinuum…”
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Grating Enhanced Continuum Generation by Westbrook, P S, Nicholson, J W, Feder, K S

“…We describe the large spectral enhancements that are observed when a continuum is generated in a fiber Bragg grating, and review their use in applications such…”
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Optical frequency metrology using spectrally tailored continuum from a nonlinear fiber grating by Kim, K., Washburn, B.R., Oates, C.W., Hollberg, L., Newbury, N.R., Diddams, S.A., Westbrook, P.S., Nicholson, J.W., Feder, K.S.

“…We report the significant enhancement (-24 dB) of the optical beat note between a 657-nm CW laser and the tailored continuum generated with a nonlinear fiber…”
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Demonstration of a 9cm side-emitting fiber laser line source with a tilted fiber grating output coupler by Westbrook, P.S., Feder, K.S.

“…We demonstrate an Er doped fiber laser line source whose output coupler is a 9 cm, 45deg tilted fiber grating. Our approach shows potential for improved…”
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Improved supercontinuum generation through UV processing of highly nonlinear fibers by Westbrook, P S, Nicholson, J W, Feder, K S, Yablon, A D

“…We demonstrate that UV exposure of highly nonlinear, germano-silicate fibers can significantly broaden the infrared supercontinuum generated by femtosecond…”
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Ankle arthroscopy: review and long-term results by Feder, K S, Schonholtz, G J

“…Ankle arthroscopy has evolved over the past decade as a diagnostic and an operative modality. Forty ankle arthroscopies were performed by the senior author…”
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Localized enhancement of supercontinuum generation using fiber Bragg gratings by Nicholson, J.W., Westbrook, P.S., Feder, K.S.

“…Supercontinuum in a fiber-Bragg grating shows a strong enhancement near the grating resonance, even at wavelengths outside the continuum bandwidth,…”
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Simple technique for measuring grating periods made using e-beam lithography by Feder, K. S., Tennant, D. M.

“…A simple method for measuring the period of e-beam written gratings is described. The technique allows for measurement of grating periods using a light…”
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Bragg gratings as phase matching elements to extend continuum generation at short wavelengths by Westbrook, P.S., Nicholson, J.W., Feder, K.S.

“…We show that a Bragg grating can act as a phase matching element allowing a continuum pulse to generate light in narrow bandwidth beyond the short wavelength…”
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