Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Rostislav Vatchev Roussev"'
Autor:
Giovanni Nava, Martin M. Fejer, Paolo Minzioni, Rostislav Vatchev Roussev, Nicola Argiolas, Cinzia Sada, Carsten Langrock
Photorefractive-damage- (PRD) resistant zirconium-oxide-doped lithium niobate is investigated as a substrate for the realization of annealed proton-exchanged (APE) waveguides. Its advantages are a favorable distribution coefficient, PRD resistance co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c0dce710354e08988b9b2f7176b07409
http://hdl.handle.net/11577/3220361
http://hdl.handle.net/11577/3220361
Autor:
Sen Yen Shaw, Martin M. Fejer, Jow-Tsong Shy, Tyson Lin, Hsiang-Chen Chui, Yi-Wei Liu, Ming Sheng Ko, Rostislav Vatchev Roussev
Publikováno v:
Optics and Lasers in Engineering. 44:479-485
A 197.2 THz (1520.2 nm) ITU-T grid distributed feedback (DFB) diode laser is frequency stabilized at 197.198 THz by 1ocking its second harmonic (SH) signal on the rubidium 5S 1/2 →7S 1/2 two-photon transition at 394.396 THz (760.1 nm). With 100 mW
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5a78042fff5a4ed9eed493fc003ff00
https://doi.org/10.1016/j.optlaseng.2005.03.005
https://doi.org/10.1016/j.optlaseng.2005.03.005
Autor:
Andrew M. Weiner, Martin M. Fejer, Rostislav Vatchev Roussev, Dongsun Seo, Zhi Jiang, Daniel E. Leaird, Carsten Langrock
Publikováno v:
Journal of Lightwave Technology. 23:1979-1990
Reconfigurable all-optical code translation are demonstrated in a spectrally phase-coded optical-code-division multiple-access (O-CDMA) testbed with an interference user. For both one-stage and two-stage code translations, less than 0.9-dB power pena
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f4e2be67d01ec8f7d4a2c4790e57d16
https://doi.org/10.1109/jlt.2005.849937
https://doi.org/10.1109/jlt.2005.849937
Autor:
Shang-Da Yang, Dongsun Seo, Martin M. Fejer, Carsten Langrock, Rostislav Vatchev Roussev, Daniel E. Leaird, Andrew M. Weiner, Zhi Jiang
Publikováno v:
Journal of Lightwave Technology. 23:143-158
This paper describes the demonstration of 2.5-Gb/s four-user optical-code-division-multiple-access (OCDMA) system operating at bit-error rate /spl les/10/sup -11/ utilizing programmable spectral phase encoding, an ultrasensitive (/spl sim/200 fJ/b) p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75563d47b64bfe4312fe4035a3079531
https://doi.org/10.1109/jlt.2004.840039
https://doi.org/10.1109/jlt.2004.840039
Autor:
Rostislav Vatchev Roussev, Zhi Jiang, Daniel E. Leaird, Andrew M. Weiner, Martin M. Fejer, Dongsun Seo, Carsten Langrock
Publikováno v:
IEICE Electronics Express. 1:398-403
We demonstrate a multi-user, 10Gb/s spectrally phase coded O-CDMA system with hybrid chip and slot-level timing coordination utilizing low power nonlinear processing. A new double Hadamard coding scheme is demonstrated to enable both chip-level timin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15e8e25e4c7100033ab6178de6174e53
https://doi.org/10.1587/elex.1.398
https://doi.org/10.1587/elex.1.398
Autor:
Rostislav Vatchev Roussev, Pavel Polynkin, Jerome V. Moloney, Martin M. Fejer, N. Peyghambarian
Publikováno v:
IEEE Photonics Technology Letters. 19:1328-1330
We report a viable laser transmitter for free-space undersea communications. An all-fiber, picosecond, Watt-level master-oscillator-power-amplifier (MOPA) system at 1.5 mum based on rapid amplification of mode-locked pulses in heavily Er:Yb codoped p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e15c105b54c686d9524977214d7d0eb2
https://doi.org/10.1109/lpt.2007.902709
https://doi.org/10.1109/lpt.2007.902709
Autor:
Lianshan Yan, Alan E. Willner, Jay E. Sharping, C. Langrock, Martin M. Fejer, Rostislav Vatchev Roussev, Changyuan Yu, Y. Wang, Alexander L. Gaeta
Publikováno v:
IEEE Photonics Technology Letters. 19:861-863
This letter presents an optically controlled, continuously tunable, dispersionless optical delay element in fiber based on a selective wavelength converter using a periodically poled lithium-niobate waveguide with two-pump configuration, dispersion-c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ffe5b8a4bfe2944084b58580c1d4ef52
https://doi.org/10.1109/lpt.2007.895900
https://doi.org/10.1109/lpt.2007.895900
Autor:
Zhi Jiang, Dongsun Seo, D.E. Leaird, Shang-Da Yang, Rostislav Vatchev Roussev, Martin M. Fejer, A.M. Weiner, Carsten Langrock
Publikováno v:
IEEE Photonics Technology Letters. 17:705-707
We demonstrate a four-user 10-Gb/s spectrally phase-coded optical code-division multiple-access system via nonlinear processing with ultralow power (/spl sim/30 fJ/bit). Full interference suppression is achieved in a time-slotted scheme without the n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::006a1c483eef5c845de454b6e0974aab
https://doi.org/10.1109/lpt.2004.840931
https://doi.org/10.1109/lpt.2004.840931
Autor:
Dongsun Seo, Andrew M. Weiner, Martin M. Fejer, Shang-Da Yang, Rostislav Vatchev Roussev, Daniel E. Leaird, Carsten Langrock, Zhi Jiang
Publikováno v:
IEEE Photonics Technology Letters. 16:1778-1780
We demonstrate ultrafast optical code-division multiple-access nonlinear waveform discrimination at 10 GHz with less than 1 mW coupled into a nonlinear periodically poled lithium niobate waveguide and greater than 20-dB contrast ratio between coded a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fca37aa2c7a6a615893d47beb3095d27
https://doi.org/10.1109/lpt.2004.828460
https://doi.org/10.1109/lpt.2004.828460
Autor:
K. Magari, Tsutomu Kitoh, Takuya Ohara, J.R. Kurz, Ken-ichi Sato, Martin M. Fejer, M. Ishii, Hidehiko Takara, Satoki Kawanishi, K. Mori, T. Yamada, Krishnan R. Parameswaran, Rostislav Vatchev Roussev, Ogawa Ikuo, Shake Ippei, Shinji Mino, M. Okamoto
Publikováno v:
IEEE Photonics Technology Letters. 16:650-652
This letter provides the first report of 160-Gb/s optical time-division-multiplexed transmission with all-channel independent modulation and all-channel simultaneous demultiplexing. By using a multiplexer and a demultiplexer based on periodically pol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea56ffeab6b76149aa7c3a0ab121a993
https://doi.org/10.1109/lpt.2003.818953
https://doi.org/10.1109/lpt.2003.818953