Zobrazeno 1 - 10
of 41
pro vyhledávání: '"B. J. Bijlani"'
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics. 18:812-825
Recent advancements in phase-matching second-order nonlinear processes by using matching-layer-enhanced Bragg reflection waveguides (ML-BRWs) in AlxGa1-xAs material system are discussed. The limitations on the choice of the AlxGa1-xAs layers for appl
Publikováno v:
IEEE Journal of Quantum Electronics. 46:1605-1610
We demonstrate experimentally the stable continuous-wave (CW) single-mode operation of Bragg reflection waveguide (BRW) lasers from 10 to 100°C. The threshold characteristics, quantum efficiency, gain, and self-heating characteristics are investigat
Autor:
Payam Abolghasem, Junbo Han, S.J. Wagner, Usman Younis, David C. Hutchings, B. J. Bijlani, Barry M. Holmes, Amr S. Helmy, J. Stewart Aitchison
Publikováno v:
Laser & Photonics Reviews. 5:272-286
Techniques used to assist phase matching of second-order nonlinearities in semiconductor waveguides are reviewed. The salient points of each method are highlighted, with their strengths and weaknesses with regard to various key applications discussed
Publikováno v:
IEEE Photonics Technology Letters. 23:1025-1027
Bragg reflection waveguides (BRWs) have recently been proposed for the development of high performance single mode lasers and nonlinear frequency conversion devices. In this letter, we experimentally demonstrate single transverse photonic bandgap mod
Autor:
Jonathan Luff, Wei Qian, Daniel C. Lee, Jacob S. Levy, Roshanak Shafiiha, Zhi Li, Mehdi Asghari, Saeed Fathololoumi, Hong Liang, Chris Keller, Yann Malinge, Joe Zhou, Shashank Jatar, Pegah Seddighian, B. J. Bijlani, Dazeng Feng
Publikováno v:
CLEO: 2014.
Advanced data centers require high throughput I/O processing for servers and storage devices connectivity. Silicon photonics technology offering low-cost, low-power, and high-performance is a promising solution for interconnection applications. In th
Publikováno v:
IEEE Photonics Technology Letters. 21:1462-1464
In this letter, we demonstrate significant improvement in second-harmonic (SH) generation using matching layer enhanced AlxGa1-xAs Bragg reflection waveguide in type-I and type-II phase-matching schemes. For a 1.8-ps pulsed pump around 1550 nm with a
Autor:
Martin Hendrych, Payam Abolghasem, Dongpeng Kang, B. J. Bijlani, Jiří Svozilík, Radek Machulka, Adam Vallés, Juan P. Torres, Amr S. Helmy
Publikováno v:
Recercat. Dipósit de la Recerca de Catalunya
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Optics Express
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Optics Express
We demonstrate experimentally that spontaneous parametric down-conversion in an AlGaAs semiconductor Bragg reflection waveguide can make for paired photons highly entangled in the polarization degree of freedom at the telecommunication wavelength of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c50d7bc9683cc44531a078e38a301466
https://hdl.handle.net/2117/20013
https://hdl.handle.net/2117/20013
Autor:
Gregor Weihs, Payam Abolghasem, Rolf Horn, Dongpeng Kang, B. Pressl, B. J. Bijlani, T. Günthner, Amr S. Helmy
Publikováno v:
SPIE Proceedings.
We demonstrate efficient photon pair generation for quantum communication using an all-semiconductor approach. In an AlGaAs Bragg-reflection waveguide we employ spontaneous parametric down-conversion to produce photon pairs at telecommunication wavel
Autor:
J. E. Cunningham, Roshanak Shafiiha, B. Jonathan Luff, Joan Fong, Ying Luo, Shirong Liao, Ashok V. Krishnamoorthy, Hong Liang, B. J. Bijlani, Mehdi Asghari, Dazeng Feng
Publikováno v:
The 9th International Conference on Group IV Photonics (GFP).
We demonstrate a high speed GeSi EA modulator with a broad operating wavelength range of over 30 nm near 1550 nm and a 3 dB bandwidth of 40.7 GHz at 2.8 V reverse bias.
Autor:
Roshanak Shafiiha, Dazeng Feng, J. E. Cunningham, Daniel C. Lee, A. J. Zilkie, B. J. Bijlani, Ashok V. Krishnamoorthy, M. Asghari, Wei Qian, P. Seddighian, Joan Fong, Bradley Jonathan Luff, Xuezhe Zheng
Publikováno v:
The 9th International Conference on Group IV Photonics (GFP).
We report a 9.5% wall-plug-efficient un-cooled external-cavity DBR laser built with a III–V-semiconductor reflective-SOA edge-coupled to an SOI waveguide containing a Bragg grating mirror. The hybrid laser is suitable for power efficient, CMOS-comp