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Monolithic silicon crystal waveguides for tunable wavelength laser light from stimulated Raman scattering

Summary: Chee Wei Wong, Ph.D.

Technology Benefits: Enables low-loss and low-threshold Raman lasing and amplification in silicon Low pump power requirements Have great compatibility with silicon based optical systems The inherent ease of integration of a silicon photonics platform with complementary-metal-oxide-semiconductor foundries provides improved opportunities to reduce costs No additional mechanical parts are requiredPatent information:Patent Issued (US 7,869,470)Patent Issued (US 8,287,642)Patent Pending (WO/2007/027982)Tech Ventures Reference: IR M05-098

Technology Application: Provides a method for a reliable Raman scattering-based laserTunable laser devices in silicon electronic-photonic integrated circuitsHigh speed optical switchingLasers with optimized wavelengths for multiple color fluorescence (i.e. FRET, flow cytometry)

Detailed Technology Description: Chee Wei Wong, Ph.D.

*Abstract: None

*Inquiry: Teresa FazioColumbia Technology VenturesTel: (212) 854-8444Email: TechTransfer@columbia.edu

*IR: M05-098

*Principal Investigator

*Publications: X. Yang, C.W. Wong. Design of photonic band gap nanocavities for stimulated Raman amplification and lasing in monolithic silicon. Optics Express, Vol. 13, Issue 12, pp. 4723 - 4730.J. F. McMillan, X. Yang, N. C. Panoiu, R. M. Osgood, and C. W. Wong. Enhanced stimulated Raman scattering in slow-light photonic crystal waveguides. Optics Letters, Vol. 31, Issue 9, pp. 1235-1237 (2006).

*Web Links: WIPO: WO 2007/027982

Country/Region: USA

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