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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 24 — Nov. 23, 2009
  • pp: 21672–21679
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Tuning of an active photonic crystal cavity by an hybrid silica/silicon near-field probe

G. Le Gac, A. Rahmani, C. Seassal, E. Picard, E. Hadji, and S. Callard  »View Author Affiliations


Optics Express, Vol. 17, Issue 24, pp. 21672-21679 (2009)
http://dx.doi.org/10.1364/OE.17.021672


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Abstract

The influence of a near-field tip on the spectral characteristics of a resonant mode of an active photonic crystal micro-cavity was investigated. The wavelength shift of the mode was theoretically and experimentally demonstrated and evaluated as a function of the nature and the position of the tip above the cavity. Experiment showed that the shift induced is ten times higher with a Si-coated silica probe than with a bare silica tip: a shift until 2 nm was reached with Si-coated tip whereas the shift with bare silica tip is in the range of the tenth of nanometer, for wavelengths around 1,55 µm.

© 2009 OSA

1. Introduction

Two-dimensional photonic crystals (2D-PC) provide us with an unprecedented ability to control and confine photons. They are versatile building blocks for nanooptical architectures. In particular, PC slab structures, which rely on total internal reflection for the vertical optical confinement, and the photonic bandgap effect for the in-plane confinement, play an increasingly important role in nanophotonics. When combined with defect engineering, such structures can support localized modes with small mode volumes and large quality factors [1

1. Y. Akahane, T. Asano, B.-S. Song, and S. Noda, “High-Q photonic nanocavity in a two-dimensional photonic crystal,” Nature 425(6961), 944–947 ( 2003). [CrossRef] [PubMed]

]. When coupled to a single emitter like a quantum dot, these PC structures can be used to enhance or inhibit the dynamics of the source [2

2. M. Fujita, S. Takahashi, Y. Tanaka, T. Asano, and S. Noda, “Simultaneous inhibition and redistribution of spontaneous light emission in photonic crystals,” Science 308(5726), 1296–1298 ( 2005). [CrossRef] [PubMed]

4

4. K. Kounoike, M. Yamaguchi, M. Fujita, T. Asano, J. Nakanishi, and S. Noda, “Investigation of spontaneous emission from quantum dots embedded in two-dimensional photonic-crystal slab,” Electron. Lett. 41(25), 1402 ( 2005). [CrossRef]

], or as a source of nonclassical light [5

5. J. Vučković and Y. Yamamoto, “Photonic crystal microcavities for cavity quantum electrodynamics with a single quantum dotl,” Appl. Phys. Lett. 82(15), 2374 ( 2003). [CrossRef]

]. The efficiency of the coupling between the emitter and the cavity depends both on the spectral matching and the spatial overlap between the cavity mode and the emitter. To address the issue of the optimal positioning of an emitter inside a cavity it is crucial to know the actual cavity mode profile on a small enough scale. For that purpose, near-field scanning optical microscopy (NSOM) has proved to be an invaluable tool as it gives us access to the mode profiles inside the cavity with a spatial resolution beyond what can be achieved with far-field techniques [6

6. D. Gérard, L. Berguiga, F. de Fornel, L. Salomon, C. Seassal, X. Letartre, P. Rojo-Romeo, and P. Viktorovitch, “Near-field probing of active photonic-crystal structures,” Opt. Lett. 27(3), 173–175 ( 2002). [CrossRef] [PubMed]

12

12. N. Louvion, D. Gérard, J. Mouette, F. de Fornel, C. Seassal, X. Letartre, A. Rahmani, and S. Callard, “Local observation and spectroscopy of optical modes in an active photonic-crystal microcavity,” Phys. Rev. Lett. 94(11), 113907 ( 2005). [CrossRef] [PubMed]

]. These studies showed that the near-field probing yields important information such as the local spectral response of a structure, or light intensity distribution inside a nanophotonic component. However, the potential of 2D-PC structures to foster new photonic devices would be greatly enhanced if their optical properties could be modified after fabrication. In particular, for active structures, the ability to post-tune, in a reversible way, a cavity to match the emission or absorption line of an emitter is of great interest. With devices operating at cryogenic temperatures the post-tuning can be achieved by varying the temperature of the PC device, using for instance electrical contacts [13

13. A. Faraon and J. Vuckovic, “Local temperature control of photonic crystal devices via micron-scale electrical heaters,” Appl. Phys. Lett. 95(4), 043102 ( 2009). [CrossRef]

]. Another approach consists in using the nonlinearity of another material to tune the cavity mode [14

14. A. Faraon, D. Englund, D. Bulla, B. Luther-Davies, B. J. Eggleton, N. Stoltz, P. Petroff, and J. Vuckovic, “Local Tuning of Photonic Crystal Cavities Using Chalcogenide Glasses,” Appl. Phys. Lett. 92(4), 043123 ( 2008). [CrossRef]

]. However, these techniques are not ideal for devices operating at room-temperature, or to achieve a local tuning that may shift the wavelength of one mode of a given cavity without affecting the others. A near-field optical microscope (NSOM) can be used to achieve this effect. Indeed it has been shown that a NSOM probe can be used to alter the modal properties of passive nanophotonic structures [15

15. A. F. Koenderink, M. Kafesaki, B. C. Buchler, and V. Sandoghdar, “Controlling the resonance of a photonic crystal microcavity by a near-field probe,” Phys. Rev. Lett. 95(15), 153904 ( 2005). [CrossRef] [PubMed]

22

22. B. Cluzell, L. Lalouat, P. Velha, E. Picard, D. Peyrade, J. C. Rodier, T. Charvolin, P. Lalanne, F. de Fornel, and E. Hadji, “A near-field actuated optical nanocavity,” Opt. Express 16(1), 279–286 ( 2008). [CrossRef] [PubMed]

]. These studies hinted that if the electromagnetic coupling between a near-field probe and a photonic mode can be controlled, this could open new avenues for the design of novel optomechanic photonic devices. In this paper, we study theoretically and experimentally the interaction of near-field probes with the modes of an active 2D-PC cavity. In particular, the effect of the probe material on the emission wavelength of an electromagnetic nanosource like a 2D-PC nanolaser is investigated. The use of an active device allows light generation directly in the microcavity with no need of access waveguide. Moreover, the demonstration of laser emission while tuning the cavity with a near-field probe needs to be given. After the description of the 2D-PC microcavity and its electromagnetic modes, we study, theoretically, the effect on the modes of a near-field probe placed in the vicinity of the microcavity. We then present NSOM experimental results obtained with different kinds of probes: a bare silica tip, usually used in NSOM characterization because of its minimal impact on the optical field, and a Si-coated silica tip as a more invasive probe.

2. Structure design and numerical simulation

We consider a linear defect nanocavity [23

23. S.-H. Kim, G.-H. Kim, S.-K. Kim, H.-G. Park, Y.-H. Lee, and S.-B. Kim, “Characteristics of a stick waveguide resonator in a two-dimensional photonic crystal slab,” J. Appl. Phys. 95, 2 ( 2003).

,24

24. Y.-S. Choi, M. T. Rakher, K. Henessy, S. Strauf, A. Badolato, P. M. Petroff, D. Bouwmeestern, and E. L. Lu, “Evolution of the onset of coherence in a family of photonic crystal nanolasers,” Appl. Phys. Lett. 91(3), 031108 ( 2007). [CrossRef]

] whose design is shown in Fig. 1
Fig. 1 Views of the calculation domain (a) in the plane of the InP membrane (b) Perpendicular to the InP membrane
. The photonic crystal consists of a triangular array of cylindrical holes (period 420 nm and hole radius 100 nm) patterned on a thin InP slab (thickness 250 nm) positioned on top of a SiO2 substrate The cavity is formed by introducing a linear defect (omitting 7 holes) into the 2D-PC. This defect is referred to as the LC7 microcavity. The cavity structure is designed so as to obtain several spectrally and spatially distinct modes, around 1.5µm. To achieve reasonably high quality factors, the radiation losses were minimized by engineering the holes positions at both edges of the cavity [1

1. Y. Akahane, T. Asano, B.-S. Song, and S. Noda, “High-Q photonic nanocavity in a two-dimensional photonic crystal,” Nature 425(6961), 944–947 ( 2003). [CrossRef] [PubMed]

]. In our case, the two holes on either side of the cavity were shifted by 80nm outward. The result is an increase by up to 60 percent of the quality factor compared to unmodified microcavity.

The structure was simulated using 3D finite-difference time-domain (FDTD) method with the perfectly matched layers boundary conditions. The full structure lateral size is 11µm x 11µm and consists of the crystal slab on a 2 µm SiO2 substrate, surrounded by 2 µm of air. Computational meshes were 42 nm for x, y, and z, corresponding to 10 cells for a crystal period. The computations are initially performed without the near-field tip. They show that the microcavity supports several modes, four of them having a quality factor above 1000, the largest found being 5800.

Figure 2.a, 2.b, 2.c and 2.d present the mode cartographies computed at the surface of the InP slab, for the four modes of lowest energy, labeled A (λ = 1444 nm Q = 1615), B (λ = 1483 nm Q = 1000), C (λ = 1517nm Q = 1550) and D (λ = 1530 nm Q = 5800). The fundamental mode is mode D. The highest quality factor was obtained for this mode which is highly confined into the cavity with the intensity of the mode concentrated principally at the center of the cavity, as it is shown by the vertical cross-section cartography along the longitudinal axis of the cavity (Fig. 2.e). The profile of the central lobe is shown Fig. 2.f. The other modes exhibit a weaker confinement (quality factor around 1000) and different spatial distributions.

Fig. 2 Horizontal cartography at the surface (z = 0) (a)Mode A: λ = 1444 nm Q = 1615 (b)Mode B: λ = 1483~nm Q = 1000 (c)Mode C: λ = 1517nm Q = 1550 (d)Mode D: λ = 1530~nm Q = 5800 (e) Vertical cross-section cartography of the mode D along the longitudinal axis of the cavity (f) Profile of the central lobe. White bar is 1.5 µm.

We now consider the influence of the near-field probe on the characteristics of the mode D which presents the largest quality factor. Because of its small linewidth, a better visualization of the tip effects is expected for this mode. First, a silica tip (refractive index n = 1.44) is introduced in the computation domain at the positions described previously. Figure 4.a shows that, for mode D, irrespective of the position of the tip, the wavelength shift does not exceed 0.4 nm. The presence of the tip always induces a red shift of the resonance wavelength. It can be easily explained as when the tip penetrates in the near-field of the PC, it contributes to increasing the optical length of the cavity. However, as the refractive index of the silica probe is rather weak, the effect remains moderate. Figure 4.b shows the losses induced by the tip as a percentage of the losses without tip. It shows that the relative losses induced by the silica tip do not exceed 20% of the initial losses. Though the wavelength of the mode is shifted slightly, these results confirm that an uncoated fiber tip only slightly influences the mode [21

21. L. Lalouat, B. Cluzel, P. Velha, E. Picard, D. Peyrade, J. P. Hugonin, P. Lalanne, E. Hadji, and F. de Fornel, “Near-field interactions between a subwavelength tip and a small-volume photonic-crystal nanocavity,” Phys. Rev. B 76(4), 041102 ( 2007). [CrossRef]

] and can, by and large, be considered as a quasi-passive probe. We then conducted similar simulations with a silicon tip. The effects are much more important than for the silica probe. Figure 4.a. shows that, depending on the tip position, the wavelength red-shift can be in the range of 1,5 to 2 nm for tip positions on antinodes. These wavelength shifts are associated with a significant increase in the optical losses (up to 700%, which means that the initial quality factor is divided by 8). Generally, for a given mode a large wavelength shift translates a strong interaction between the probe and the PC, and thus corresponds to large scattering losses. The simulation results also illustrates that the lateral positioning of the tip on a node has less influence than on an antinode, as expected.

Fig. 4 Evolutions of (a) the resonance wavelength and (b) the relative induced losses depending on silica or silicon tip position obtained by numerical calculations

The silicon tip at position P3 induces the smallest shift (around 0.2 nm with a 70% increase in scattering losses). This is expected as the mode intensity is very weak at P3. The largest shift and the strongest losses are observed when the tip is above an antinode of the mode and penetrates inside a hole of the 2D-PC (P2in). Position P2in induces a shift of 2.2 nm with an increase in losses by up to 700%. The relative shift for a lateral translation from position P3 to P2in is 2 nm. The second position with the highest influence is P0 with a relative shift of 1.2 nm from P0 to P3.

3. Experimental configuration

4. Results and discussion

The sample was first characterized with the bare silica probe. Figure 5.a and Fig. 5.c show topographies of two LC7 cavities with different parameters: respectively structure X (a = 458 nm and ff = 0.28) and structure Y (a = 460 nm and ff = 0.29) that have similar structure parameters. On those figures, the cavities and the holes of the 2D-PC are clearly visible. Figure 5b
Fig. 5 NSOM characterization with a silica tip of two structures (X and Y) with different parameters: structure X (a = 460 nm r = 112 nm) (a) topography and (b) optical signal of mode D at λ = 1576 nm, structure Y (a = 460 nm r = 105 nm) (c) topography and (d) optical signal of mode D at λ = 1584 nm.
and Fig. 5.d show the mode D recorded at 1576 nm for the structure X and 1584 nm for the structure Y. Laser emission is achieved with both modes. The wavelength difference can be explained by non-discerned defects in the structure parameters. We note that in both cases the resolution of the optical map is about λ/6. The near-field maps show a spatial pattern similar to the numerical simulation of mode D. A study over 20 structures shows that if parameter variations due to fabrication modify the resonant wavelength, they do not perturb the spatial distribution of the mode and the laser emission achievement. For each structure the mode D cartography are well reproducible as illustrated on Fig. 5.b and 5.d. Cavity X was chosen to study the influence of the tip.

Figure 6
Fig. 6 Influence of NSOM silica tip position on the microcavity resonance wavelength. On the spectra, y axis represents the intensity with a logarithmic scale (a) Near-field spectra above the cavity with several tip position (b) Zoom on the peak at 1576 nm which has the highest intensity
shows two local near-field spectra recorded on cavity X for two positions of the silica tip: P0 and P3. Depending on the tip position, the local spectrum is different. Mode B (at 1531.5 nm) is clearly detected when the tip is at the position P0 and less visible when the tip is at the position P3. Inversely, mode C (at 1565 nm) is detected at P3 and slightly visible when the tip is at P0.

The spectra of Fig. 6.b. show that the intensity of the mode D in P0 is 40 times higher than in P3. No wavelength shift is detected by our set up. The laser peak at Full Width at Half Maximum (FWHM) is 2 nm limited by the resolution of the NSOM set-up. Prior to NSOM measurements, the intrinsic linewidth of the wavelength laser peaks were measured with a far-field refractive optical setup and estimated to be less than 0.2 nm (Inset Fig. 6.b). If a shift is induced by the silica tip, calculations showed that it should be in the range of the intrinsic linewidth of the laser peak, which is beyond the resolution of our set-up. The silica tips may shift slightly the resonance wavelength but the effect is moderate, for the range of the linewidth of the laser peak. Because the impact of the silica tip is weak, this type of probes is acceptable to quasi-passive characterization [12

12. N. Louvion, D. Gérard, J. Mouette, F. de Fornel, C. Seassal, X. Letartre, A. Rahmani, and S. Callard, “Local observation and spectroscopy of optical modes in an active photonic-crystal microcavity,” Phys. Rev. Lett. 94(11), 113907 ( 2005). [CrossRef] [PubMed]

,27

27. N. Louvion, A. Rahmani, C. Seassal, S. Callard, D. Gérard, and F. de Fornel, “Near-field observation of subwavelength confinement of photoluminescence by a photonic crystal microcavity,” Opt. Lett. 31(14), 2160–2162 ( 2006). [CrossRef] [PubMed]

].

5. Conclusion

To conclude, the effect of bare silica and Si-coated silica probes on an active 2D-PC structure was investigated. On the one hand, the silica tip induces wavelength shifts in the range of 0.1 nm, which was not detected by our set-up. The impact of the probe, though not negligible, is weak which is still compatible with a passive characterization, especially for low quality factor modes with linewidth in the range of few nanometers. On the other hand, the silicon-coated tip induces a shift in the range of a few nanometers, from 5 to 10 times higher than the intrinsic linewidth of the peak. These theoretical and experimental results illustrate the potential of this concept for the reversible tuning of the wavelength of an active photonic device like a microlaser. In the future, this concept could be exploited to control the efficiency of quantum photonic devices including single QDs and photonic nanocavities.

Acknowledgments

We thank Philippe Regreny for growing the epitaxial structures. The wafer bonding technology was performed at CEA-LETI. We acknowledge the technological support at NANOLYON facility. This work was funded by the French Research National Agency, through the PNANO “ACI Chabip” and “PNANO NANOEC” projects.

References and links

1.

Y. Akahane, T. Asano, B.-S. Song, and S. Noda, “High-Q photonic nanocavity in a two-dimensional photonic crystal,” Nature 425(6961), 944–947 ( 2003). [CrossRef] [PubMed]

2.

M. Fujita, S. Takahashi, Y. Tanaka, T. Asano, and S. Noda, “Simultaneous inhibition and redistribution of spontaneous light emission in photonic crystals,” Science 308(5726), 1296–1298 ( 2005). [CrossRef] [PubMed]

3.

D. Englund, D. Fattal, E. Waks, G. Solomon, B. Zhang, T. Nakaoka, Y. Arakawa, Y. Yamamoto, and J. Vucković, “Controlling the spontaneous emission rate of single quantum dots in a two-dimensional photonic crystal,” Phys. Rev. Lett. 95(1), 013904 ( 2005). [CrossRef] [PubMed]

4.

K. Kounoike, M. Yamaguchi, M. Fujita, T. Asano, J. Nakanishi, and S. Noda, “Investigation of spontaneous emission from quantum dots embedded in two-dimensional photonic-crystal slab,” Electron. Lett. 41(25), 1402 ( 2005). [CrossRef]

5.

J. Vučković and Y. Yamamoto, “Photonic crystal microcavities for cavity quantum electrodynamics with a single quantum dotl,” Appl. Phys. Lett. 82(15), 2374 ( 2003). [CrossRef]

6.

D. Gérard, L. Berguiga, F. de Fornel, L. Salomon, C. Seassal, X. Letartre, P. Rojo-Romeo, and P. Viktorovitch, “Near-field probing of active photonic-crystal structures,” Opt. Lett. 27(3), 173–175 ( 2002). [CrossRef] [PubMed]

7.

D.-J. Shin, S.-H. Kim, J.-K. Hwang, H.-Y. Ryu, H.-G. Park, D.-S. Song, and Y.-H. Lee, “Far- and near-field investigations on the lasing modes intwo-dimensional photonic crystal slab lasers,” IEEE J. Quantum Electron. 38(7), 857–866 ( 2002). [CrossRef]

8.

E. Flück, M. Hammer, A. M. Otter, J. P. Korterik, L. Kuipers, and N. F. van Hulst, “Amplitude and Phase Evolution of Optical Fields Inside Periodic Photonic Structures,” J. Lightwave Technol. 21(5), 1384–1393 ( 2003). [CrossRef]

9.

K. Okamoto, M. Loncar, T. Yoshie, A. Scherer, Y. Qiu, and P. Gogna, “Near-field scanning optical microscopy of photonic crystal nanocavities,” Appl. Phys. Lett. 82(11), 1676 ( 2003). [CrossRef]

10.

P. Kramper, M. Agio, C. M. Soukoulis, A. Birner, F. Müller, R. B. Wehrspohn, U. Gösele, and V. Sandoghdar, “Highly directional emission from photonic crystal waveguides of subwavelength width,” Phys. Rev. Lett. 92(11), 113903 ( 2004). [CrossRef] [PubMed]

11.

P. Kramper, M. Kafesaki, C. M. Soukoulis, A. Birner, F. Müller, U. Gösele, R. B. Wehrspohn, J. Mlynek, and V. Sandoghdar, “Near-field visualization of light confinement in a photonic crystal microresonator,” Opt. Lett. 29(2), 174–176 ( 2004). [CrossRef] [PubMed]

12.

N. Louvion, D. Gérard, J. Mouette, F. de Fornel, C. Seassal, X. Letartre, A. Rahmani, and S. Callard, “Local observation and spectroscopy of optical modes in an active photonic-crystal microcavity,” Phys. Rev. Lett. 94(11), 113907 ( 2005). [CrossRef] [PubMed]

13.

A. Faraon and J. Vuckovic, “Local temperature control of photonic crystal devices via micron-scale electrical heaters,” Appl. Phys. Lett. 95(4), 043102 ( 2009). [CrossRef]

14.

A. Faraon, D. Englund, D. Bulla, B. Luther-Davies, B. J. Eggleton, N. Stoltz, P. Petroff, and J. Vuckovic, “Local Tuning of Photonic Crystal Cavities Using Chalcogenide Glasses,” Appl. Phys. Lett. 92(4), 043123 ( 2008). [CrossRef]

15.

A. F. Koenderink, M. Kafesaki, B. C. Buchler, and V. Sandoghdar, “Controlling the resonance of a photonic crystal microcavity by a near-field probe,” Phys. Rev. Lett. 95(15), 153904 ( 2005). [CrossRef] [PubMed]

16.

A. F. Koenderink, R. Wüest, B. C. Buchler, S. Richter, P. Strasser, M. Kafesaki, A. Rogach, R. B. Wehrspohn, C. M. Soukoulis, D. Erni, F. Robin, H. Jackel, and V. Sandoghdar, “Near-field optics and control of photonic crystals,” Photon. Nanostrut. 3(2-3), 63–74 ( 2005). [CrossRef]

17.

I. Märki, M. Salt, and H. P. Herzig, “Tuning the resonance of a photonic crystal microcavity with an AFM probe,” Opt. Express 14(7), 2969–2978 ( 2006). [CrossRef] [PubMed]

18.

W. C. L. Hopman, K. O. van der Werf, A. J. Hollink, W. Bogaerts, V. Subramaniam, and R. M. de Ridder, “Nano-mechanical tuning and imaging of a photonic crystal micro-cavity resonance,” Opt. Express 14(19), 8745–8752 ( 2006). [CrossRef] [PubMed]

19.

S. Mujumdar, A. F. Koenderink, T. Sünner, B. C. Buchler, M. Kamp, A. Forchel, and V. Sandoghdar, “Near-field imaging and frequency tuning of a high-Q photonic crystal membrane microcavity,” Opt. Express 15(25), 17214–17220 ( 2007). [CrossRef] [PubMed]

20.

S. Mujumdar, A. F. Koenderink, R. Wüest, and V. Sandoghdar, “Nano-optomechanical characterization and manipulation of photonic crystals,” IEEE J. Quantum Electron. 13(2), 253–261 ( 2007). [CrossRef]

21.

L. Lalouat, B. Cluzel, P. Velha, E. Picard, D. Peyrade, J. P. Hugonin, P. Lalanne, E. Hadji, and F. de Fornel, “Near-field interactions between a subwavelength tip and a small-volume photonic-crystal nanocavity,” Phys. Rev. B 76(4), 041102 ( 2007). [CrossRef]

22.

B. Cluzell, L. Lalouat, P. Velha, E. Picard, D. Peyrade, J. C. Rodier, T. Charvolin, P. Lalanne, F. de Fornel, and E. Hadji, “A near-field actuated optical nanocavity,” Opt. Express 16(1), 279–286 ( 2008). [CrossRef] [PubMed]

23.

S.-H. Kim, G.-H. Kim, S.-K. Kim, H.-G. Park, Y.-H. Lee, and S.-B. Kim, “Characteristics of a stick waveguide resonator in a two-dimensional photonic crystal slab,” J. Appl. Phys. 95, 2 ( 2003).

24.

Y.-S. Choi, M. T. Rakher, K. Henessy, S. Strauf, A. Badolato, P. M. Petroff, D. Bouwmeestern, and E. L. Lu, “Evolution of the onset of coherence in a family of photonic crystal nanolasers,” Appl. Phys. Lett. 91(3), 031108 ( 2007). [CrossRef]

25.

C. Monat, C. Seassal, X. Letartre, P. Regreny, P. Rojo Romeo, P. Viktorovitch, M Le Vassor d'Yerville, D Cassagne,, J. P Albert, E Jalaguier, S Pocas,, and B Aspar, “InP-based two-dimensionnal photonic crystal on silicon: InP-plane Bloch mode laser,” Appl. Phys. Lett. 81, 5102 ( 2002). [CrossRef]

26.

C. Monat, C. Seassal, X. Letartre, P. Regreny, M. Gendry, P. Rojo Romeo, P. Viktorovitch, M Le Vassor d'Yerville, D Cassagne, J. P Albert, E Jalaguier, S Pocas, and B Aspar, “Two-dimensional hexagonal-shaped microcavities formed in a two-dimensional photonic crystal on an InP membrane,” J. Appl. Phys. 93(1), 23 ( 2003). [CrossRef]

27.

N. Louvion, A. Rahmani, C. Seassal, S. Callard, D. Gérard, and F. de Fornel, “Near-field observation of subwavelength confinement of photoluminescence by a photonic crystal microcavity,” Opt. Lett. 31(14), 2160–2162 ( 2006). [CrossRef] [PubMed]

OCIS Codes
(130.3130) Integrated optics : Integrated optics materials
(180.4243) Microscopy : Near-field microscopy
(230.5298) Optical devices : Photonic crystals

ToC Category:
Photonic Crystals

History
Original Manuscript: September 2, 2009
Revised Manuscript: October 9, 2009
Manuscript Accepted: October 9, 2009
Published: November 11, 2009

Citation
G. Le Gac, A. Rahmani, C. Seassal, E. Picard, E. Hadji, and S. Callard, "Tuning of an active photonic crystal cavity by an hybrid silica/silicon near-field probe," Opt. Express 17, 21672-21679 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-24-21672


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References

  1. Y. Akahane, T. Asano, B.-S. Song, and S. Noda, “High-Q photonic nanocavity in a two-dimensional photonic crystal,” Nature 425(6961), 944–947 (2003). [CrossRef] [PubMed]
  2. M. Fujita, S. Takahashi, Y. Tanaka, T. Asano, and S. Noda, “Simultaneous inhibition and redistribution of spontaneous light emission in photonic crystals,” Science 308(5726), 1296–1298 (2005). [CrossRef] [PubMed]
  3. D. Englund, D. Fattal, E. Waks, G. Solomon, B. Zhang, T. Nakaoka, Y. Arakawa, Y. Yamamoto, and J. Vucković, “Controlling the spontaneous emission rate of single quantum dots in a two-dimensional photonic crystal,” Phys. Rev. Lett. 95(1), 013904 (2005). [CrossRef] [PubMed]
  4. K. Kounoike, M. Yamaguchi, M. Fujita, T. Asano, J. Nakanishi, and S. Noda, “Investigation of spontaneous emission from quantum dots embedded in two-dimensional photonic-crystal slab,” Electron. Lett. 41(25), 1402 (2005). [CrossRef]
  5. J. Vučković and Y. Yamamoto, “Photonic crystal microcavities for cavity quantum electrodynamics with a single quantum dotl,” Appl. Phys. Lett. 82(15), 2374 (2003). [CrossRef]
  6. D. Gérard, L. Berguiga, F. de Fornel, L. Salomon, C. Seassal, X. Letartre, P. Rojo-Romeo, and P. Viktorovitch, “Near-field probing of active photonic-crystal structures,” Opt. Lett. 27(3), 173–175 (2002). [CrossRef] [PubMed]
  7. D.-J. Shin, S.-H. Kim, J.-K. Hwang, H.-Y. Ryu, H.-G. Park, D.-S. Song, and Y.-H. Lee, “Far- and near-field investigations on the lasing modes intwo-dimensional photonic crystal slab lasers,” IEEE J. Quantum Electron. 38(7), 857–866 (2002). [CrossRef]
  8. E. Flück, M. Hammer, A. M. Otter, J. P. Korterik, L. Kuipers, and N. F. van Hulst, “Amplitude and Phase Evolution of Optical Fields Inside Periodic Photonic Structures,” J. Lightwave Technol. 21(5), 1384–1393 (2003). [CrossRef]
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  10. P. Kramper, M. Agio, C. M. Soukoulis, A. Birner, F. Müller, R. B. Wehrspohn, U. Gösele, and V. Sandoghdar, “Highly directional emission from photonic crystal waveguides of subwavelength width,” Phys. Rev. Lett. 92(11), 113903 (2004). [CrossRef] [PubMed]
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