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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 8 — Apr. 22, 2013
  • pp: 9473–9483

Resonant cavities based on Parity-Time-symmetric diffractive gratings

Mykola Kulishov, Bernard Kress, and Radan Slavík  »View Author Affiliations

Optics Express, Vol. 21, Issue 8, pp. 9473-9483 (2013)

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We explore a new class of Distributed Feedback (DFB) and Distributed Bragg Reflector (DBR) structures that employ the recently-developed concept of Parity-Time (PT) symmetry in optics. The approach is based on using so-called unidirectional Bragg gratings that are non diffractive (transparent) when illuminated from one side and diffracting (Bragg reflection) when illuminated from the other side, thus providing a uni-directional Bragg functionality. Such unusual property is achieved through diffraction through a grating having periodic variations in both, phase and amplitude. DFB and DBR structures traditionally consist of a gain medium and reflector(s) made via periodic variation of the (gain media) refractive index in the direction of propagation. As such structures are produced in a gain material. It becomes just possible to add periodic amplitude modulation in order to produce the unidirectional Bragg functionality. We propose here new and unique DFB and DBR structures by concatenating two such unidirectional Bragg gratings with their nonreflective ends oriented outwards the cavity. We analyze the transmission and reflection properties of these new structures through a transfer matrix approach. One of the unique characteristics of the structure is that it inherently supports only one lasing mode.

© 2013 OSA

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.2230) Diffraction and gratings : Fabry-Perot
(130.0130) Integrated optics : Integrated optics
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(200.0200) Optics in computing : Optics in computing
(200.4490) Optics in computing : Optical buffers

ToC Category:
Diffraction and Gratings

Original Manuscript: January 16, 2013
Revised Manuscript: April 4, 2013
Manuscript Accepted: April 5, 2013
Published: April 9, 2013

Mykola Kulishov, Bernard Kress, and Radan Slavík, "Resonant cavities based on Parity-Time-symmetric diffractive gratings," Opt. Express 21, 9473-9483 (2013)

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  1. H. Kogelnik and C. V. Shank, “Simulated emission in a periodic structure,” Appl. Phys. Lett.18(4), 152–154 (1971). [CrossRef]
  2. H. Kogelnik and C. V. Shank, “Coupled‐wave theory of distributed feedback lasers,” J. Appl. Phys.43(5), 2327–2335 (1972). [CrossRef]
  3. E. Kapon, A. Hardy, and A. Katzir, “The effect of complex coupling coefficients on distributed feedback lasres,” IEEE J. Quantum Electron.18(1), 66–71 (1982). [CrossRef]
  4. D. A. Cardimona, M. P. Sharma, V. Kovanis, and A. Gavrielides, “Dephased index and gain coupling in distributed feedback lasres,” IEEE Quantum Electron.31(1), 60–66 (1995). [CrossRef]
  5. L. Poladian, “Resonance mode expansions and exact solutions for nonuniform gratings,” Phys. Rev. E Stat. Phys. Plasmas Fluids Relat. Interdiscip. Topics54(3), 2963–2975 (1996). [CrossRef] [PubMed]
  6. M. Kulishov, J. M. Laniel, N. Bélanger, J. Azaña, and D. V. Plant, “Nonreciprocal waveguide Bragg gratings,” Opt. Express13(8), 3068–3078 (2005). [CrossRef] [PubMed]
  7. Z. Lin, H. Ramezani, T. Eichelkraut, T. Kottos, H. Cao, and D. N. Christodoulides, “Unidirectional invisibility induced by PT-symmetric periodic structures,” Phys. Rev. Lett.106(21), 213901 (2011). [CrossRef] [PubMed]
  8. C. M. Bender and S. Boettcher, “Real spectra in non- Hermitian Hamiltinian having PT Symmetry,” Phys. Rev. Lett.80(24), 5243–5246 (1998). [CrossRef]
  9. K. G. Markis, R. El-Ganainy, D. N. Christodoulides, and Z. H. Musslimani, “PT-symmetric periodical optical potentials,” Int. J. Theor. Phys.50(4), 1019–1041 (2011). [CrossRef]
  10. K. Tamura and M. Nakazawa, “Pulse compression by nonlinear pulse evolution with reduced optical wave breaking in erbium-doped fiber amplifiers,” Opt. Lett.21(1), 68–70 (1996). [CrossRef] [PubMed]

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