R
R. P. Gnall
Researcher at Bell Labs
Publications - 22
Citations - 590
R. P. Gnall is an academic researcher from Bell Labs. The author has contributed to research in topics: Photonic integrated circuit & Laser. The author has an hindex of 11, co-authored 22 publications receiving 585 citations. Previous affiliations of R. P. Gnall include Alcatel-Lucent.
Papers
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Journal ArticleDOI
Continuously tunable 1.5μm multiple-quantum-well GaInAs/GaInAsP distributed-Bragg-reflector lasers
TL;DR: In this article, the authors demonstrate improved performance in tunable distributed-Bragg-reflector lasers using GaInAs/GaInAsP multiple-quantum-well active layers, and observe linewidths as low as 1.9 MHz, differential quantum efficiencies as large as 33%/front facet at 1.5μm.
Journal ArticleDOI
GaInAs/GaInAsP multiple-quantum-well integrated heterodyne receiver
Thomas L. Koch,Uziel Koren,R. P. Gnall,Fow-Sen Choa,F. Hernandez-Gil†,Charles A. Burrus,M.G. Young,M. Oron,Barry Miller +8 more
TL;DR: In this paper, the first integrated heterodyne receiver capable of real-time data reception with error-free reception of FSK-modulated pseudorandom digital code at 105 Mbit/s was presented.
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Characterization of near‐field holography grating masks for optoelectronics fabricated by electron beam lithography
TL;DR: In this paper, a scalar diffraction modeling is used to qualitatively examine the dependence of diffraction on grating parameters, but the need for a more comprehensive modeling is illustrated.
Journal ArticleDOI
Quantum well interferometric modulator monolithically integrated with 1.55 mu m tunable distributed Bragg reflector laser
J.E. Zucker,K.L. Jones,Michael A. Newkirk,R. P. Gnall,Barry Miller,M.G. Young,Uziel Koren,Charles A. Burrus,B. Tell +8 more
TL;DR: The first monolithically integrated laser/interferometric modulator was reported in this paper, with a total chip length of 2.5 mm including a 970 μm-long strained InGaAs/InGaAsP quantum well gain section.
Journal ArticleDOI
8-wavelength DBR laser array fabricated with a single-step Bragg grating printing technique
J.-M. Verdiell,Thomas L. Koch,D.M. Tennant,K. Feder,R. P. Gnall,M.G. Young,Barry Miller,Uziel Koren,Michael A. Newkirk,B. Tell +9 more
TL;DR: In this article, an 8-wavelength distributed Bragg reflector (DBR) array for narrow channel wavelength division multiplexing (WDM) has been fabricated with a new technique for printing first-order Bragg gratings using a phase mask and a conventional incoherent source.