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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 36, Iss. 12 — Jun. 15, 2011
  • pp: 2366–2368

Investigation and suppression of the pump-to-Stokes relative intensity noise transfer in chalcogenide waveguide Raman laser

Ying Huang, Hongtao Zhou, Perry Ping Shum, Feng Luan, Songnian Fu, Ming Tang, and Eng Leong Tan  »View Author Affiliations


Optics Letters, Vol. 36, Issue 12, pp. 2366-2368 (2011)
http://dx.doi.org/10.1364/OL.36.002366


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Abstract

The characteristic of pump-to-Stokes relative intensity noise (RIN) transfer is comprehensively investigated for integrated As 2 Se 3 waveguide Raman laser ( As 2 Se 3 -WRL). It is found that, compared to its silicon counterpart, the RIN transfer is 5 dB lower across all frequencies for As 2 Se 3 -WRL, mainly due to its relatively smaller Raman gain coefficient. A bidirectional pumping scheme is proposed and verified as an effective configuration to suppress RIN transfer because doubling of the inverse round trip time eliminates the RIN transfer peak at the odd multiples of the resonance frequency. The optimization of waveguide length on RIN transfer is also performed, in which two distinct regions are identified due to different dominant physical processes. In addition, we show that RIN transfer in As 2 Se 3 -WRL can be further reduced by using a high cavity for both pump and Stokes waves.

© 2011 Optical Society of America

OCIS Codes
(140.3550) Lasers and laser optics : Lasers, Raman
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(230.7370) Optical devices : Waveguides

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: April 21, 2011
Manuscript Accepted: May 13, 2011
Published: June 15, 2011

Citation
Ying Huang, Hongtao Zhou, Perry Ping Shum, Feng Luan, Songnian Fu, Ming Tang, and Eng Leong Tan, "Investigation and suppression of the pump-to-Stokes relative intensity noise transfer in chalcogenide waveguide Raman laser," Opt. Lett. 36, 2366-2368 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-12-2366

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