Few-cycle nonlinear mid-IR pulse generated with cascaded quadratic nonlinearities

Morten Bache; Xing Liu; Binbin Zhou

doi:10.1109/CLEOE-IQEC.2013.6801091

Abstract

Generating few-cycle energetic and broadband mid-IR pulses is an urgent current challenge in nonlinear optics. Cascaded second-harmonic generation (SHG) gives access to an ultrafast and octave-spanning self-defocusing nonlinearity: when ΔkL >> 2π the pump experiences a Kerr-like nonlinear index change Δn = ncascI, where ncase ∝ −d2eff/Δk, and deff is the effective quadratic nonlinearity. Due to competing material nonlinearities nKerr the total nonlinear refractive is ncubic = ncasc + nKerr. Interestingly ncubic can become negative (self-defocusing), elegantly avoiding self-focusing problems, and making it possible to excite solitons with normal dispersion [1].

Original language	English
Publication date	2013
Number of pages	1
DOIs	https://doi.org/10.1109/CLEOE-IQEC.2013.6801091
Publication status	Published - 2013
Event	2013 Conference on Lasers & Electro-Optics Europe & the International Quantum Electronics Conference (CLEO/Europe-IQEC) - Munich, Germany Duration: 12 May 2013 → 16 May 2013 http://www.cleoeurope.org/

Conference

Conference	2013 Conference on Lasers & Electro-Optics Europe & the International Quantum Electronics Conference (CLEO/Europe-IQEC)
Country/Territory	Germany
City	Munich
Period	12/05/2013 → 16/05/2013
Internet address	http://www.cleoeurope.org/

Keywords

optical harmonic generation
optical Kerr effect
optical pulse generation
optical pumping
optical solitons
refractive index
Aerospace
Bioengineering
Communication, Networking and Broadcast Technologies
Components, Circuits, Devices and Systems
Engineered Materials, Dielectrics and Plasmas
Engineering Profession
Fields, Waves and Electromagnetics
General Topics for Engineers
Nuclear Engineering
Photonics and Electrooptics
Power, Energy and Industry Applications
cascaded quadratic nonlinearity
cascaded second-harmonic generation
Dispersion
effective quadratic nonlinearity
few-cycle nonlinear broadband midIR pulse generation
few-cycle nonlinear energetic midIR pulse generation
Frequency conversion
Kerr-like nonlinear index change
Nonlinear optics
octave-spanning self-defocusing nonlinearity
Optical pulse compression
Optical solitons
SHG
total nonlinear refractive index
Ultrafast optics
ultrafast self-defocusing nonlinearity

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10.1109/CLEOE-IQEC.2013.6801091

06801091Final published version, 182 KB

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Cite this

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title = "Few-cycle nonlinear mid-IR pulse generated with cascaded quadratic nonlinearities",

abstract = "Generating few-cycle energetic and broadband mid-IR pulses is an urgent current challenge in nonlinear optics. Cascaded second-harmonic generation (SHG) gives access to an ultrafast and octave-spanning self-defocusing nonlinearity: when ΔkL >> 2π the pump experiences a Kerr-like nonlinear index change Δn = ncascI, where ncase ∝ −d2eff/Δk, and deff is the effective quadratic nonlinearity. Due to competing material nonlinearities nKerr the total nonlinear refractive is ncubic = ncasc + nKerr. Interestingly ncubic can become negative (self-defocusing), elegantly avoiding self-focusing problems, and making it possible to excite solitons with normal dispersion [1].",

keywords = "optical harmonic generation, optical Kerr effect, optical pulse generation, optical pumping, optical solitons, refractive index, Aerospace, Bioengineering, Communication, Networking and Broadcast Technologies, Components, Circuits, Devices and Systems, Engineered Materials, Dielectrics and Plasmas, Engineering Profession, Fields, Waves and Electromagnetics, General Topics for Engineers, Nuclear Engineering, Photonics and Electrooptics, Power, Energy and Industry Applications, cascaded quadratic nonlinearity, cascaded second-harmonic generation, Dispersion, effective quadratic nonlinearity, few-cycle nonlinear broadband midIR pulse generation, few-cycle nonlinear energetic midIR pulse generation, Frequency conversion, Kerr-like nonlinear index change, Nonlinear optics, octave-spanning self-defocusing nonlinearity, Optical pulse compression, Optical solitons, SHG, total nonlinear refractive index, Ultrafast optics, ultrafast self-defocusing nonlinearity",

author = "Morten Bache and Xing Liu and Binbin Zhou",

year = "2013",

doi = "10.1109/CLEOE-IQEC.2013.6801091",

language = "English",

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Few-cycle nonlinear mid-IR pulse generated with cascaded quadratic nonlinearities. / Bache, Morten; Liu, Xing; Zhou, Binbin.
2013. Abstract from 2013 Conference on Lasers & Electro-Optics Europe & the International Quantum Electronics Conference (CLEO/Europe-IQEC), Munich, Germany.

Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

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T1 - Few-cycle nonlinear mid-IR pulse generated with cascaded quadratic nonlinearities

AU - Bache, Morten

AU - Liu, Xing

AU - Zhou, Binbin

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N2 - Generating few-cycle energetic and broadband mid-IR pulses is an urgent current challenge in nonlinear optics. Cascaded second-harmonic generation (SHG) gives access to an ultrafast and octave-spanning self-defocusing nonlinearity: when ΔkL >> 2π the pump experiences a Kerr-like nonlinear index change Δn = ncascI, where ncase ∝ −d2eff/Δk, and deff is the effective quadratic nonlinearity. Due to competing material nonlinearities nKerr the total nonlinear refractive is ncubic = ncasc + nKerr. Interestingly ncubic can become negative (self-defocusing), elegantly avoiding self-focusing problems, and making it possible to excite solitons with normal dispersion [1].

AB - Generating few-cycle energetic and broadband mid-IR pulses is an urgent current challenge in nonlinear optics. Cascaded second-harmonic generation (SHG) gives access to an ultrafast and octave-spanning self-defocusing nonlinearity: when ΔkL >> 2π the pump experiences a Kerr-like nonlinear index change Δn = ncascI, where ncase ∝ −d2eff/Δk, and deff is the effective quadratic nonlinearity. Due to competing material nonlinearities nKerr the total nonlinear refractive is ncubic = ncasc + nKerr. Interestingly ncubic can become negative (self-defocusing), elegantly avoiding self-focusing problems, and making it possible to excite solitons with normal dispersion [1].

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KW - optical solitons

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KW - Bioengineering

KW - Communication, Networking and Broadcast Technologies

KW - Components, Circuits, Devices and Systems

KW - Engineered Materials, Dielectrics and Plasmas

KW - Engineering Profession

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