Abstract

We present the optical analysis of spatial single-mode monolithic quantum cascade laser arrays in the mid-IR. Subwavelength parallel microstripe waveguides are buried into InP:Fe and phase locked by evanescent coupling. Lasing at room temperature is obtained at λ=8.4μm. We describe the near- and far-field of stripe arrays comprising up to 32 emitters. One hundred percent coherent emission is shown experimentally and well accounted for by a standard optical simulation.

© 2012 Optical Society of America

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  1. Y. Bai, N. Bandyopadhyay, S. Tsao, S. Slivken, and M. Razeghi, Appl. Phys. Lett. 98, 181102 (2011).
    [CrossRef]
  2. Y. Bai, S. Slivken, S. R. Darvish, A. Haddadi, B. Gokden, and M. Razeghi, Appl. Phys. Lett. 95, 221104 (2009).
    [CrossRef]
  3. G. M. de Naurois, M. Carras, B. Simozrag, O. Patard, F. Alexandre, and X. Marcadet, AIP Adv. 1, 032165 (2011).
    [CrossRef]
  4. K.-L. Chen and S. Wang, Appl. Phys. Lett. 47, 555 (1985).
    [CrossRef]
  5. W. Streifer, A. Hardy, and R. D. Burnham, Electron. Lett. 21, 118 (1985).
    [CrossRef]
  6. H. Pier and E. Kapon, Opt. Lett. 22, 546 (1997).
    [CrossRef]

2011 (2)

Y. Bai, N. Bandyopadhyay, S. Tsao, S. Slivken, and M. Razeghi, Appl. Phys. Lett. 98, 181102 (2011).
[CrossRef]

G. M. de Naurois, M. Carras, B. Simozrag, O. Patard, F. Alexandre, and X. Marcadet, AIP Adv. 1, 032165 (2011).
[CrossRef]

2009 (1)

Y. Bai, S. Slivken, S. R. Darvish, A. Haddadi, B. Gokden, and M. Razeghi, Appl. Phys. Lett. 95, 221104 (2009).
[CrossRef]

1997 (1)

1985 (2)

K.-L. Chen and S. Wang, Appl. Phys. Lett. 47, 555 (1985).
[CrossRef]

W. Streifer, A. Hardy, and R. D. Burnham, Electron. Lett. 21, 118 (1985).
[CrossRef]

Alexandre, F.

G. M. de Naurois, M. Carras, B. Simozrag, O. Patard, F. Alexandre, and X. Marcadet, AIP Adv. 1, 032165 (2011).
[CrossRef]

Bai, Y.

Y. Bai, N. Bandyopadhyay, S. Tsao, S. Slivken, and M. Razeghi, Appl. Phys. Lett. 98, 181102 (2011).
[CrossRef]

Y. Bai, S. Slivken, S. R. Darvish, A. Haddadi, B. Gokden, and M. Razeghi, Appl. Phys. Lett. 95, 221104 (2009).
[CrossRef]

Bandyopadhyay, N.

Y. Bai, N. Bandyopadhyay, S. Tsao, S. Slivken, and M. Razeghi, Appl. Phys. Lett. 98, 181102 (2011).
[CrossRef]

Burnham, R. D.

W. Streifer, A. Hardy, and R. D. Burnham, Electron. Lett. 21, 118 (1985).
[CrossRef]

Carras, M.

G. M. de Naurois, M. Carras, B. Simozrag, O. Patard, F. Alexandre, and X. Marcadet, AIP Adv. 1, 032165 (2011).
[CrossRef]

Chen, K.-L.

K.-L. Chen and S. Wang, Appl. Phys. Lett. 47, 555 (1985).
[CrossRef]

Darvish, S. R.

Y. Bai, S. Slivken, S. R. Darvish, A. Haddadi, B. Gokden, and M. Razeghi, Appl. Phys. Lett. 95, 221104 (2009).
[CrossRef]

de Naurois, G. M.

G. M. de Naurois, M. Carras, B. Simozrag, O. Patard, F. Alexandre, and X. Marcadet, AIP Adv. 1, 032165 (2011).
[CrossRef]

Gokden, B.

Y. Bai, S. Slivken, S. R. Darvish, A. Haddadi, B. Gokden, and M. Razeghi, Appl. Phys. Lett. 95, 221104 (2009).
[CrossRef]

Haddadi, A.

Y. Bai, S. Slivken, S. R. Darvish, A. Haddadi, B. Gokden, and M. Razeghi, Appl. Phys. Lett. 95, 221104 (2009).
[CrossRef]

Hardy, A.

W. Streifer, A. Hardy, and R. D. Burnham, Electron. Lett. 21, 118 (1985).
[CrossRef]

Kapon, E.

Marcadet, X.

G. M. de Naurois, M. Carras, B. Simozrag, O. Patard, F. Alexandre, and X. Marcadet, AIP Adv. 1, 032165 (2011).
[CrossRef]

Patard, O.

G. M. de Naurois, M. Carras, B. Simozrag, O. Patard, F. Alexandre, and X. Marcadet, AIP Adv. 1, 032165 (2011).
[CrossRef]

Pier, H.

Razeghi, M.

Y. Bai, N. Bandyopadhyay, S. Tsao, S. Slivken, and M. Razeghi, Appl. Phys. Lett. 98, 181102 (2011).
[CrossRef]

Y. Bai, S. Slivken, S. R. Darvish, A. Haddadi, B. Gokden, and M. Razeghi, Appl. Phys. Lett. 95, 221104 (2009).
[CrossRef]

Simozrag, B.

G. M. de Naurois, M. Carras, B. Simozrag, O. Patard, F. Alexandre, and X. Marcadet, AIP Adv. 1, 032165 (2011).
[CrossRef]

Slivken, S.

Y. Bai, N. Bandyopadhyay, S. Tsao, S. Slivken, and M. Razeghi, Appl. Phys. Lett. 98, 181102 (2011).
[CrossRef]

Y. Bai, S. Slivken, S. R. Darvish, A. Haddadi, B. Gokden, and M. Razeghi, Appl. Phys. Lett. 95, 221104 (2009).
[CrossRef]

Streifer, W.

W. Streifer, A. Hardy, and R. D. Burnham, Electron. Lett. 21, 118 (1985).
[CrossRef]

Tsao, S.

Y. Bai, N. Bandyopadhyay, S. Tsao, S. Slivken, and M. Razeghi, Appl. Phys. Lett. 98, 181102 (2011).
[CrossRef]

Wang, S.

K.-L. Chen and S. Wang, Appl. Phys. Lett. 47, 555 (1985).
[CrossRef]

AIP Adv. (1)

G. M. de Naurois, M. Carras, B. Simozrag, O. Patard, F. Alexandre, and X. Marcadet, AIP Adv. 1, 032165 (2011).
[CrossRef]

Appl. Phys. Lett. (3)

K.-L. Chen and S. Wang, Appl. Phys. Lett. 47, 555 (1985).
[CrossRef]

Y. Bai, N. Bandyopadhyay, S. Tsao, S. Slivken, and M. Razeghi, Appl. Phys. Lett. 98, 181102 (2011).
[CrossRef]

Y. Bai, S. Slivken, S. R. Darvish, A. Haddadi, B. Gokden, and M. Razeghi, Appl. Phys. Lett. 95, 221104 (2009).
[CrossRef]

Electron. Lett. (1)

W. Streifer, A. Hardy, and R. D. Burnham, Electron. Lett. 21, 118 (1985).
[CrossRef]

Opt. Lett. (1)

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Figures (3)

Fig. 1.
Fig. 1.

Near-field measurement with a QWIP camera of 2 to 32 μ-stripe array made of 2 μm wide stripes with 8 μm spacing under lasing operation.

Fig. 2.
Fig. 2.

Near-field image of N=4 μ stripes with 8 μm spacing. (Left) Below threshold, incoherent spontaneous emission. (Right) above threshold, coherent stimulated emission. (Top) Experimental data from QWIP imager. (Bottom) Explicative scheme of the diffraction pattern.

Fig. 3.
Fig. 3.

Far-field measurements of 2 to 16 μ-stripe arrays made 2 μm wide with 4 μm spacing, resulting in a period of 6 μm. (a) Experimental data. (b) FEM simulation. (Inset) Main lobe angle as a function of stripe number. Experience (red curve) versus FEM simulation (blue dashed curve).

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