Abstract

We present experimental results on post-tuning the dispersion of a two-dimensional photonic crystal waveguide made from Ge33As12Se55 chalcogenide glass by exploiting the material photosensitivity to near-bandgap light. The change in the refractive index and volume of the material in response to exposure to 633nm light resulted in a shift of more than 5nm in the resonant coupling wavelength between a tapered optical fiber and the modes of a W1 waveguide. This represents a first proof of principle demonstration of the photosensitive post-tuning of a planar photonic crystal device.

©2007 Optical Society of America

1. Introduction

Planar Photonic Crystals (PhC), which consist of a thin high index dielectric slab patterned with a 2D periodic array of air holes, are now recognized as a promising platform for achieving light control in a planar integrated circuit. Their ability to confine light at the wavelength scale has led to the demonstration of unprecedented compact photonic devices for integrated optical circuits [1]. However, in order to achieve desirable functionalities careful engineering and high accuracy fabrication is required. Although advances both in numerical designs and nanofabrication techniques have enabled the development of more intricate photonic crystal systems, the required level of fabrication accuracy remains a limiting factor.

Post trimming of the properties of individual components is thus highly attractive, not only to relax the fabrication tolerances but also to allow individual components to be optimized for different environments or applications. Tuning of photonic crystal properties has previously been achieved through thermo-optic approaches [2], liquid crystal infusion [3], integration of nanofluidic circuitry [4], post-process chemical treatments [5], mechanical deformation [6] or mechanical perturbation of the electro-magnetic environment with an Atomic Force Microscopy (AFM) tip [7]. Although these approaches can provide enough tuning to modify the optical properties of very compact devices, they generally lack the highly desirable ability to induce changes locally. In particular, single Quantum Dot (QD) devices based on cavity QED require fine tuning of the photonic crystal cavity resonance in relation to the emission wavelength of the QD [8,9].

In this paper we demonstrate a novel post-process tuning technique which utilizes the photosensitivity of chalcogenide glass [10] to modify the optical properties of a planar photonic crystal device. A W1 PhC waveguide was exposed to 633nm light at an intensity of 1.3W/cm2. The resulting change in the dispersion of the modes of the waveguide was detected in situ using an evanescent probing technique [11], and a shift of 5 nm in the resonant coupling wavelength was observed. We show that the photoinduced change in the photonic crystal grows as a saturating exponential with increasing exposure.

Previously, the chalcogenide photosensitivity has been successfully utilized for the creation of directly written waveguides [12, 13, 14], strong Bragg gratings [15] and for post-tuning of optical components such as distributed feedback lasers [16] and quantum cascade lasers [17]. The photosensitivity of the chalcogenides is known to arise from structural rearrangements induced by the absorption of light at frequencies near the absorption band-edge of the material [18]. These structural rearrangements lead to changes in the properties of the glass such as the refractive index and density. Some of the various photoinduced phenomena are reviewed in [10]. The magnitude and sign of these photoinduced changes can be highly dependant on the chemical composition of the glass [19] and on the processing history of the sample [20]. Furthermore, these changes may be either reversible or irreversible, with irreversible changes resulting from “photo-annealing” of thin films deposited in a non-equilibrium state [21], and reversible changes resulting from structural rearrangement into a quasi-stable state upon exposure [20, 21].

 figure: Fig. 1.

Fig. 1. A schematic diagram showing the principle of the photosensitive post tuning of a chalcogenide photonic crystal waveguide.

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2. Principle

Figure 1 shows the principle of the photosensitive post-tuning experiment. The resonant coupling wavelength from the fiber taper to the modes of the chalcogenide glass PhC waveguide was monitored by measuring the transmission spectrum through the taper with an Optical Spectrum Analyzer (OSA). The dips in the transmission spectrum are associated with coupling to the modes of the PhC waveguide. The photoinduced change in the PhC was observed by monitoring the shift in wavelength of these dips during the exposure of the PhC sample to 633nm light.

3. Photonic crystal waveguide design and device fabrication

Figure 2 shows an optical microscope image and a Scanning Electron Microscope (SEM) image of the photonic crystal structure used in this experiment. The structure under test consists of a ~ 70 μm “W1” waveguide, i.e. a missing row of holes along the Γ-K direction of a triangular lattice of air holes in a chalcogenide membrane.

 figure: Fig. 2.

Fig. 2. (a) Optical microscope image of the W1 PhC waveguide used in this experiment. (b) Scanning electron microscope image. Hole pitch is 550nm.

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Details of the fabrication process are presented elsewhere [22] and are summarized briefly here. First, a 300nm thick film of Ge33As12Se55 (AMTIR-1) chalcogenide glass [23, 24] was deposited by Ultrafast Pulsed Laser Deposition (UPLD) onto an oxidised silicon wafer. The sample was then coated with a thin layer of polymer photoresist (PMMA). The PhC structure was written into the photoresist by electron beam lithography and transferred into the chalcogenide layer using Chemically Assisted Ion Beam Etching (CAIBE). Finally, a free standing suspended PhC structure was formed by wet etching the oxidised silicon layer beneath the chalcogenide film. The resulting 300nm thick suspended membrane had a nominal refractive index of 2.7 and hence corresponded to a thickness of λ/2n close to λ=1.55 μm, ensuring that only the fundamental mode is vertically confined in this structure. A lattice parameter of 550nm and hole radius of 165nm were chosen in order to open up a photonic band gap for the TE-like modes (E field mainly lying in the plane of the slab) near 1550nm. The chalcogenide PhC membrane was kept in its as deposited state (not thermally annealed) and was protected from ambient light prior to the experiment.

4. Post-trimming photosensitive experiment

A schematic diagram of the “post-trimming” experiment is shown in Fig. 3. It consists of; (i) the evanescent coupling setup which was used to probe the modes of the PhC waveguide, allowing the photoinduced change to be monitored and; (ii) the “writing” system, which consisted of a 633nm linearly polarized 0.8mW CW Helium Neon laser source, a lens and a beamsplitter.

 figure: Fig. 3.

Fig. 3. A schematic diagram of the experimental setup for both coupling into the Photonic Crystal Waveguide (PCWG) using evanescent coupling and photosensitive post-processing the PhC sample.

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It consists of; (i) the evanescent coupling setup which was used to probe the modes of the PhC waveguide, allowing the photoinduced change to be monitored and; (ii) the “writing” system, which consisted of a 633nm linearly polarized 0.8 mW CW Helium Neon laser source, a lens and a beam splitter.

The evanescent coupling system is described in detail in [11]. Evanescent coupling is a phase-matched technique where, in this case, the evanescent field of a tapered optical fiber is used to couple light into the PhC waveguide brought into close proximity with the tapered fiber (Fig. 4. a and b). The condition for coupling to occur is that the taper mode and PhC waveguide mode must possess some spatial overlap, as well as sharing the same momentum. This occurs where the taper dispersion curve intersects the dispersion curve of the waveguide mode. Figure 4b shows the calculated band structure of a W1 waveguide with the same parameters as the sample used in this work. Overlaid on this is the dispersion curve corresponding to the mode of a 1.3 μm diameter fiber taper. The band structures were calculated with the RSoft bandSOLVE program which uses the method of plane wave expansion to calculate the bands.

 figure: Fig. 4.

Fig. 4. a) Schematic showing the coupling from a tapered fibre to PhC waveguide, b) Band structure of the W1 waveguide used in this work (red) overlaid with the dispersion curve of the tapered fiber in green.

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The tapered fibers were fabricated using a procedure reported previously [25], and for this work the fiber taper was made from standard single mode fiber. After tapering, the fibre was formed into a loop in the waist region in order to localize the interaction region between the taper and the photonic crystal waveguide. The taper used in this work was estimated to have a waist diameter of ~ 1.3 μm and a loop diameter of ~ 200μm. The loss through the taper was ~1dB in the wavelength range of 1550nm–1620nm. To achieve evanescent coupling, the taper was aligned above and parallel to the photonic crystal and then moved into direct contact so that the relative alignment of the taper with the waveguide, and hence the coupling, remained fixed throughout the experiment. A broadband light source (Hewlet Packard 83437A, a four ELED light source) was launched into the taper through a polarizer to select TE polarization and the output end of the fiber was connected to an OSA (Agilent 86140B) where the transmission spectrum through the taper was measured. The polarization was adjusted by placing the taper onto the bulk PhC region and then adjusting the polarizer to minimize the loss in the transmission of the taper. Since the PhC has a bandgap in the TE modes at the frequencies of interest, loss is associated with coupling to TM modes of the bulk PhC and hence minimizing the loss results in the TE polarization at the taper waist.

Figure 5 shows a typical transmission spectrum through the fiber taper when aligned and in contact with the PhC waveguide. Resonances corresponding to coupling to both the fundamental W1 guided mode (TE0) and the first higher order mode (TE1) can be identified. The coupling wavelengths are in good agreement with the predicted values based on band structure calculations. The small difference between the predicted coupling wavelengths, shown by the dashed line, and the experimentally measured values is due to the uncertainty in the PhC air hole spacing and radius, slab thickness and refractive index as well as the dispersion of the chalcogenide which is not taken into account in the modeling. The transmission dip associated with coupling to the fundamental TE0 mode was ~6dB, which equates to ~ 75% of the light being coupled from the taper into the waveguide. This lower coupling efficiency compared to [11] is expected because of the looped taper shape used in this experiment which results in a substantially smaller coupling length.

 figure: Fig.5.

Fig.5. Transmission spectrum through the tapered fiber for coupling to the W1 waveguide, with the fiber in direct contact with the waveguide. Dashed lines represent numerically predicted values for the TE0 and TE1 coupling resonances.

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In order to expose the sample to actinic light, the laser source was focused on the sample via a lens and beam splitter (see Fig. 3). A wavelength of 633 nm was chosen because the photon energy is close to but slightly below the electronic band edge for AMTIR-1, where these glasses are generally photosensitive [14]. The beamsplitter was used to direct the beam towards the sample at normal incidence, while allowing in-situ imaging of the sample. A defocusing lens was introduced in order to control the laser spot size at the sample. The defocusing lens was positioned to give a spot diameter of ~ 280 μm (1/e2 Gaussian spot). Given that the photonic crystal waveguide is ~70μm long, this means that the incident intensity varied by less than 10% across the sample. The power measured at the sample was 400μW corresponding to a peak intensity of 1.3W/cm2 for the Gaussian laser spot. After obtaining an optimal coupling into the PhC waveguide, the HeNe laser was turned on and the position of the laser spot adjusted so that it was centered on the PhC structure. During alignment the laser was strongly attenuated (40 dB). The sample was exposed for a period of ~5 hours and the transmission spectrum through the taper was recorded at one minute intervals during this time. Further, the sample was monitored for a period of ~5 days following the exposure to determine whether the observed change was stable. The experiment was conducted at room temperature with the ambient room light switched off.

5. Results and discussion

Figure 6 shows the transmission spectrum of the fiber-taper due to coupling to the fundamental PhC waveguide mode for different exposure times. The resonance associated with coupling to the TE0 mode was observed to shift to longer wavelengths with increasing exposure. The same trend was observed for the higher order TE1 PhC waveguide mode. In addition, we observed an increase in the coupling strength with exposure.

 figure: Fig. 6.

Fig. 6. Photosensitive tuning of the TE0 mode during the exposure. The resonance dip is plotted for a range of times during the exposure.

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Figure 7 shows a plot of the resonant wavelength versus exposure fluence, which clearly displays saturation behaviour at higher fluences. The circles in the graph are experimental data points whilst the curve is an empirical fit to an exponential curve. The maximum wavelength shift was 5.2nm ±0.4nm whilst the maximum increase in the resonance depth was ~ 2dB.

 figure: Fig. 7.

Fig. 7. Shift in coupling wavelength versus exposure fluence at 633nm of the PhC TE0 waveguide mode.

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The exact cause of the observed increase in coupling strength is still under investigation but it is likely to be related to a modification of the waveguide mode field profile resulting from changes in the waveguide dispersion curve. In principle, one would expect that in modifying the group index of the PhC waveguide mode, the overlap with the taper mode, and hence the coupling strength, could change. The shift in the coupling wavelength of the higher order waveguide mode follows the same trend as for the fundamental mode and during the exposure there was no relative shift between the two modes, i.e. the wavelength difference remained constant to within the resolution of the OSA.

Preliminary investigations into the photosensitivity of unpatterened AMTIR-1 films [26] at 633nm have shown a decrease in the material refractive index and a volume expansion. These results are consistent with previous work by Zakery et al. [27], who reported a refractive index decrease in AMTIR-1 due to exposure, and Igo et al. [28], who reported photoexpansion in a range of As-Se-Ge glasses. For the PhC waveguide, a refractive index decrease results in a shift of the waveguide modes to shorter wavelengths. Our calculations indicate that a wavelength shift of ~5nm is obtained with an index change of 0.01, and that this change occurs linearly in the region of interest. Conversely, expansion of the PhC causes a shift towards longer wavelengths, a ~5nm wavelength shift of the TE0 mode is obtained for 0.31% material expansion. Thus we attribute the observed wavelength shift to a combination of these two competing effects. However, the material expansion has the bigger effect in this case leading to the observed resonance shift to longer wavelengths. Work is in progress to resolve the magnitude of each contribution to the resonance shift.

For many potential applications, the ability to tune the resonance towards longer wavelengths in a controlled manner is particularly relevant. For instance, the double heterostructure cavity suggested by Noda et al. [29] relies on precise engineering of the lattice constants along a line defect. Light is confined to the central region (larger lattice constant) due to the differences between the mode-gap frequencies along this line defect. In the same way, it should be possible to create a double heterostructure cavity by exposing a small region of a W1 in chalcogenide photonic crystal. Based on band structure calculations, a 5nm shift is equivalent to the band shift that would be induced by an increase in the refractive index of ~ 0.01. Results reported in [30] show that this should lead to a cavity Q ~30000. In order to reach the maximum Q predicted theoretically, a ~ 20nm shift would be required. Future studies into different techniques or different chalcogenide glass compositions may increase the tuning range.

Another area where the photosensitivity of chalcogenide glass could prove to be highly practical is single quantum dot devices based on cavity QED, such as a single photon source. This technique offers a way to align the cavity resonant wavelength with the QD emission wavelength – an important challenge since enhancing the QD SE rate via the Purcell factor of the cavity mode requires critical spectral matching between the single QD and the cavity mode. The ability to tune the cavity resonant wavelength, via a photosensitive chalcogenide cladding applied on top of the PhC device for instance, in order to match it to the QD emission appears highly promising.

6. Conclusions

We present the first experimental demonstration of photosensitive post-tuning of a planar photonic crystal device. We use the material photosensitivity of Ge33As12Se55 (AMTIR-1) chalcogenide glass to 633nm light in order to modify the resonant coupling wavelength of a W1 photonic crystal waveguide by up to ~ 5nm towards longer wavelengths. The wavelength shift showed a saturating exponential growth trend with increasing exposure, and this suggests that a high degree of control over the photosensitive tuning process should be possible. This work demonstrates that this post-processing technique is highly promising for applications where fine post-tuning of existing structures is required, such as for single photon source applications or for directly photo-writing resonant cavity structures.

Acknowledgments

This work was produced with the assistance of the Australian Research Council under the ARC Centres of Excellence program. CUDOS (the Centre for Ultrahigh bandwidth Devices for Optical Systems) is an ARC Centre of Excellence.

References and links

1. J-M. Lourtioz, H. Benisty, V. Berger, J-M. Gerard, D. Maystre, and A. Tchelnokov, Photonic Crystals: Towards Nanoscale Photonic Devices (Springer, 2005).

2. H. M. H. Chong and R. Delarue, “Tuning of photonic crystal waveguide microcavity by thermooptic effect,” IEEE Phot. Tech. Lett. 16,1528–1530 (2004). [CrossRef]  

3. R. Ferrini, J. Martz, L. Zuppiroli, B. Wild, V. Zabelin, L. A. Dunbar, R. Houdré, M. Mulot, and S. Anand, “Planar photonic crystals infiltrated with liquid crystals: optical characterization of molecule orientation,” Opt. Lett. 31,1238–1240 (2006). [CrossRef]   [PubMed]  

4. D. Erickson, T. Rockwood, T. Emery, A. Sherer, and D. Psaltis, “Nanofluidic tuning of photonic crystal circuits,” Opt. Lett. 31,59–61 (2006). [CrossRef]   [PubMed]  

5. D. Dalacu, S. Frédérick, P. J. Poole, G. C. Aers, and R. L. Williams, “Postfabrication fine-tuning of photonic crystal microcavities in InAs/InP quantum dot membranes,” Appl. Phys. Lett. 87,151107 (2005). [CrossRef]  

6. W. Park and J-B. Lee, “Mechanically tunable photonic crystal structure,” Appl. Phys. Lett. 85,4845–4847 (2004). [CrossRef]  

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

8. J. M. Gerard and B. Gayral, “Toward high-efficiency quantum-dot single photon sources,” in Quantum Dots, Nanoparticles, and Nanoclusters, D. L. Huffaker and P. Bhattacharya, eds, Proc. SPIE 5361,88–95 (2004). [CrossRef]  

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

10. A. Zakery and S. R. Elliot, “Optical properties and applications of chalcogenide glasses: a review,” J. Non-Cryst. Solids 330,1–12 (2003). [CrossRef]  

11. C. Grillet, C. Smith, D. Freeman, S. Madden, B. Luther-Davies, E. Magi, D. Moss, and B. Eggleton, “Efficient coupling to chalcogenide glass photonic crystal waveguides via silica optical fiber nanowires,” Opt. Express 14,1070–1078 (2006). [CrossRef]   [PubMed]  

12. S. Ramachandran and S. Bishop, “Photoinduced integrated-optics in rapid thermally annealed chalcogenide glasses,” IEEE J. Sel. Top. Quantum Electron. 11,260–270 (2005). [CrossRef]  

13. R. Decorby, N. Ponnampalam, M. Pai, H. Nguyen, P. Dwivedi, T. Clement, C. Haugen, J. McMullin, and S. Kasap, “High index contrast waveguides in Chalcogenide glass and polymer,” IEEE J. Sel. Top. Quantum Electron. 11,539–546 (2005). [CrossRef]  

14. V. Lyubin, M. Klebanov, A. Feigel, and B. Sfez, “Films of chalcogenide glassy semiconductors: New phenomena and new applications,” Thin Solid Films 459,183–186 (2004). [CrossRef]  

15. M. Shokooh-Saremi, V. Taeed, I. Littler, D. Moss, B. Eggleton, Y. Ruan, and B. Luther-Davies, “Ultra-strong, well-apodised Bragg gratings in Chalcogenide rib waveguides,” Electron. Lett. 41,13–14 (2005). [CrossRef]  

16. T. Sudoh, Y. Nakano, and K. Tada, “Wavelength trimming technology for multiple-wavelength distributed feedback laser array by photo-induced refractive index change,” Electron. Lett. 33,216”217 (1997). [CrossRef]  

17. S. Song, S. Howard, Z. Liu, A. Dirisu, C. Gmachl, and C. Arnold, “Mode tuning of quantum cascade lasers through optical processing of Chalcogenide glass claddings,” Appl. Phys. Lett. 89,041115 (2006). [CrossRef]  

18. A. Zakery, Y. Ruan, A. V. Rode, M. Samoc, and B. Luther-Davies, “Low-loss waveguides in ultrafast laser-deposited As_2S_3 chalcogenide films,” J. Opt. Soc. Am. B 20,1844–1852 (2003). [CrossRef]  

19. T. T. Nang, M. Okuda, and T. Matsushita, “Photo-induced absorption change in some Se-based glass alloy systems,” Phys. Rev. B 19,947–955 (1979). [CrossRef]  

20. K. Tanaka, “Reversible photostructural change: Mechanisms, properties and applications,” J. Non-Cryst. Solids 35–36,1023–1034 (1980) [CrossRef]  

21. S. R. Elliott, “A unified model for reversible photostructural effects in chalcogenide glasses,” J. Non-Cryst. Solids 81,71–98 (1986) [CrossRef]  

22. Y. Ruan, M. Kim, Y. Lee, B. Luther-Davies, and A. Rode, “Fabrication of high-Q chalcogenide photonic crystal resonators by e-beam lithography,” submitted to Applied Physics Letters.

23. D. Freeman, S. Madden, and B. Luther-Davies, “Fabrication of planar photonic crystals in a chalcogenide glass using a focused ion beam,” Opt. Express 13,3079–3086 (2005). [CrossRef]   [PubMed]  

24. C. Grillet, D. Freeman, B. Luther-Davies, S. Madden, R. McPhedran, D. J. Moss, M. J. Steel, and B. J. Eggleton, “Characterization and modeling of Fano resonances in chalcogenide photonic crystal membranes,” Opt. Express 14,369–376 (2006). [CrossRef]   [PubMed]  

25. Y. K. Lizé, E. C. Mägi, V. G. Ta’eed, J. A. Bolger, P. Steinvurzel, and B. J. Eggleton, “Microstructured optical fiber photonic wires with subwavelength core diameter,” Opt. Express 12,3209–3217 (2004). [CrossRef]   [PubMed]  

26. S. Madden, “Investigation into the photosensitivity of AMTIR-1 films,” Laser Physics Centre, Australian National University (personal communication, 2006).

27. A. Zakery and M. Hatami, “Nonlinear optical properties of pulsed-laser-deposited GeAsSe films and simulation of a nonlinear directional coupler switch,” J. Opt. Soc. Am. B 22,591–597 (2005) [CrossRef]  

28. T. Igo, Y. Noguchi, and H. Nagai, “Photoexpansion and ‘thermal contraction’ of amorphous chalcogenide glasses,” Appl. Phys. Lett. 25,193–194 (1974) [CrossRef]  

29. B. Song, S. Noda, T. Asano, and Y. Akahane, “Ultra-high-Q photonic double heterostructure nanocavity,” Nature Mater. 4,207–210 (2005). [CrossRef]  

30. S. Tomljenovic-Hanic, M. Steel, C. de Sterke, and D. Moss, “High-Q cavities in photosensitive photonic crystals,” Opt. Lett. Accepted in press. [PubMed]  

References

  • View by:

  1. J-M. Lourtioz, H. Benisty, V. Berger, J-M. Gerard, D. Maystre, and A. Tchelnokov, Photonic Crystals: Towards Nanoscale Photonic Devices (Springer, 2005).
  2. H. M. H. Chong and R. Delarue, “Tuning of photonic crystal waveguide microcavity by thermooptic effect,” IEEE Phot. Tech. Lett. 16,1528–1530 (2004).
    [Crossref]
  3. R. Ferrini, J. Martz, L. Zuppiroli, B. Wild, V. Zabelin, L. A. Dunbar, R. Houdré, M. Mulot, and S. Anand, “Planar photonic crystals infiltrated with liquid crystals: optical characterization of molecule orientation,” Opt. Lett. 31,1238–1240 (2006).
    [Crossref] [PubMed]
  4. D. Erickson, T. Rockwood, T. Emery, A. Sherer, and D. Psaltis, “Nanofluidic tuning of photonic crystal circuits,” Opt. Lett. 31,59–61 (2006).
    [Crossref] [PubMed]
  5. D. Dalacu, S. Frédérick, P. J. Poole, G. C. Aers, and R. L. Williams, “Postfabrication fine-tuning of photonic crystal microcavities in InAs/InP quantum dot membranes,” Appl. Phys. Lett. 87,151107 (2005).
    [Crossref]
  6. W. Park and J-B. Lee, “Mechanically tunable photonic crystal structure,” Appl. Phys. Lett. 85,4845–4847 (2004).
    [Crossref]
  7. I. Marki, M. Salt, and H. P. Herzig, “Tuning the resonance of a photonic crystal microcavity with an AFM probe,” Opt. Express 14,2969–2978 (2006).
    [Crossref] [PubMed]
  8. J. M. Gerard and B. Gayral, “Toward high-efficiency quantum-dot single photon sources,” in Quantum Dots, Nanoparticles, and Nanoclusters, D. L. Huffaker and P. Bhattacharya, eds, Proc. SPIE 5361,88–95 (2004).
    [Crossref]
  9. D. Englund, D. Fattal, E. Waks, G. Solomon, B. Zhang, T. Nakaoka, Y. Arakawa, Y. Yamamoto, and J. Vuckovic, “Controlling the spontaneous emission rate of single quantum dots in a two-dimensional photonic crystal,” Phys. Rev. Lett. 95,013904 (2005).
    [Crossref] [PubMed]
  10. A. Zakery and S. R. Elliot, “Optical properties and applications of chalcogenide glasses: a review,” J. Non-Cryst. Solids 330,1–12 (2003).
    [Crossref]
  11. C. Grillet, C. Smith, D. Freeman, S. Madden, B. Luther-Davies, E. Magi, D. Moss, and B. Eggleton, “Efficient coupling to chalcogenide glass photonic crystal waveguides via silica optical fiber nanowires,” Opt. Express 14,1070–1078 (2006).
    [Crossref] [PubMed]
  12. S. Ramachandran and S. Bishop, “Photoinduced integrated-optics in rapid thermally annealed chalcogenide glasses,” IEEE J. Sel. Top. Quantum Electron. 11,260–270 (2005).
    [Crossref]
  13. R. Decorby, N. Ponnampalam, M. Pai, H. Nguyen, P. Dwivedi, T. Clement, C. Haugen, J. McMullin, and S. Kasap, “High index contrast waveguides in Chalcogenide glass and polymer,” IEEE J. Sel. Top. Quantum Electron. 11,539–546 (2005).
    [Crossref]
  14. V. Lyubin, M. Klebanov, A. Feigel, and B. Sfez, “Films of chalcogenide glassy semiconductors: New phenomena and new applications,” Thin Solid Films 459,183–186 (2004).
    [Crossref]
  15. M. Shokooh-Saremi, V. Taeed, I. Littler, D. Moss, B. Eggleton, Y. Ruan, and B. Luther-Davies, “Ultra-strong, well-apodised Bragg gratings in Chalcogenide rib waveguides,” Electron. Lett. 41,13–14 (2005).
    [Crossref]
  16. T. Sudoh, Y. Nakano, and K. Tada, “Wavelength trimming technology for multiple-wavelength distributed feedback laser array by photo-induced refractive index change,” Electron. Lett. 33,216”217 (1997).
    [Crossref]
  17. S. Song, S. Howard, Z. Liu, A. Dirisu, C. Gmachl, and C. Arnold, “Mode tuning of quantum cascade lasers through optical processing of Chalcogenide glass claddings,” Appl. Phys. Lett. 89,041115 (2006).
    [Crossref]
  18. A. Zakery, Y. Ruan, A. V. Rode, M. Samoc, and B. Luther-Davies, “Low-loss waveguides in ultrafast laser-deposited As_2S_3 chalcogenide films,” J. Opt. Soc. Am. B 20,1844–1852 (2003).
    [Crossref]
  19. T. T. Nang, M. Okuda, and T. Matsushita, “Photo-induced absorption change in some Se-based glass alloy systems,” Phys. Rev. B 19,947–955 (1979).
    [Crossref]
  20. K. Tanaka, “Reversible photostructural change: Mechanisms, properties and applications,” J. Non-Cryst. Solids 35–36,1023–1034 (1980)
    [Crossref]
  21. S. R. Elliott, “A unified model for reversible photostructural effects in chalcogenide glasses,” J. Non-Cryst. Solids 81,71–98 (1986)
    [Crossref]
  22. Y. Ruan, M. Kim, Y. Lee, B. Luther-Davies, and A. Rode, “Fabrication of high-Q chalcogenide photonic crystal resonators by e-beam lithography,” submitted to Applied Physics Letters.
  23. D. Freeman, S. Madden, and B. Luther-Davies, “Fabrication of planar photonic crystals in a chalcogenide glass using a focused ion beam,” Opt. Express 13,3079–3086 (2005).
    [Crossref] [PubMed]
  24. C. Grillet, D. Freeman, B. Luther-Davies, S. Madden, R. McPhedran, D. J. Moss, M. J. Steel, and B. J. Eggleton, “Characterization and modeling of Fano resonances in chalcogenide photonic crystal membranes,” Opt. Express 14,369–376 (2006).
    [Crossref] [PubMed]
  25. Y. K. Lizé, E. C. Mägi, V. G. Ta’eed, J. A. Bolger, P. Steinvurzel, and B. J. Eggleton, “Microstructured optical fiber photonic wires with subwavelength core diameter,” Opt. Express 12,3209–3217 (2004).
    [Crossref] [PubMed]
  26. S. Madden, “Investigation into the photosensitivity of AMTIR-1 films,” Laser Physics Centre, Australian National University (personal communication, 2006).
  27. A. Zakery and M. Hatami, “Nonlinear optical properties of pulsed-laser-deposited GeAsSe films and simulation of a nonlinear directional coupler switch,” J. Opt. Soc. Am. B 22,591–597 (2005)
    [Crossref]
  28. T. Igo, Y. Noguchi, and H. Nagai, “Photoexpansion and ‘thermal contraction’ of amorphous chalcogenide glasses,” Appl. Phys. Lett. 25,193–194 (1974)
    [Crossref]
  29. B. Song, S. Noda, T. Asano, and Y. Akahane, “Ultra-high-Q photonic double heterostructure nanocavity,” Nature Mater. 4,207–210 (2005).
    [Crossref]
  30. S. Tomljenovic-Hanic, M. Steel, C. de Sterke, and D. Moss, “High-Q cavities in photosensitive photonic crystals,” Opt. Lett. Accepted in press.
    [PubMed]

2006 (6)

2005 (8)

A. Zakery and M. Hatami, “Nonlinear optical properties of pulsed-laser-deposited GeAsSe films and simulation of a nonlinear directional coupler switch,” J. Opt. Soc. Am. B 22,591–597 (2005)
[Crossref]

D. Freeman, S. Madden, and B. Luther-Davies, “Fabrication of planar photonic crystals in a chalcogenide glass using a focused ion beam,” Opt. Express 13,3079–3086 (2005).
[Crossref] [PubMed]

B. Song, S. Noda, T. Asano, and Y. Akahane, “Ultra-high-Q photonic double heterostructure nanocavity,” Nature Mater. 4,207–210 (2005).
[Crossref]

M. Shokooh-Saremi, V. Taeed, I. Littler, D. Moss, B. Eggleton, Y. Ruan, and B. Luther-Davies, “Ultra-strong, well-apodised Bragg gratings in Chalcogenide rib waveguides,” Electron. Lett. 41,13–14 (2005).
[Crossref]

S. Ramachandran and S. Bishop, “Photoinduced integrated-optics in rapid thermally annealed chalcogenide glasses,” IEEE J. Sel. Top. Quantum Electron. 11,260–270 (2005).
[Crossref]

R. Decorby, N. Ponnampalam, M. Pai, H. Nguyen, P. Dwivedi, T. Clement, C. Haugen, J. McMullin, and S. Kasap, “High index contrast waveguides in Chalcogenide glass and polymer,” IEEE J. Sel. Top. Quantum Electron. 11,539–546 (2005).
[Crossref]

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

D. Dalacu, S. Frédérick, P. J. Poole, G. C. Aers, and R. L. Williams, “Postfabrication fine-tuning of photonic crystal microcavities in InAs/InP quantum dot membranes,” Appl. Phys. Lett. 87,151107 (2005).
[Crossref]

2004 (5)

W. Park and J-B. Lee, “Mechanically tunable photonic crystal structure,” Appl. Phys. Lett. 85,4845–4847 (2004).
[Crossref]

J. M. Gerard and B. Gayral, “Toward high-efficiency quantum-dot single photon sources,” in Quantum Dots, Nanoparticles, and Nanoclusters, D. L. Huffaker and P. Bhattacharya, eds, Proc. SPIE 5361,88–95 (2004).
[Crossref]

V. Lyubin, M. Klebanov, A. Feigel, and B. Sfez, “Films of chalcogenide glassy semiconductors: New phenomena and new applications,” Thin Solid Films 459,183–186 (2004).
[Crossref]

H. M. H. Chong and R. Delarue, “Tuning of photonic crystal waveguide microcavity by thermooptic effect,” IEEE Phot. Tech. Lett. 16,1528–1530 (2004).
[Crossref]

Y. K. Lizé, E. C. Mägi, V. G. Ta’eed, J. A. Bolger, P. Steinvurzel, and B. J. Eggleton, “Microstructured optical fiber photonic wires with subwavelength core diameter,” Opt. Express 12,3209–3217 (2004).
[Crossref] [PubMed]

2003 (2)

A. Zakery, Y. Ruan, A. V. Rode, M. Samoc, and B. Luther-Davies, “Low-loss waveguides in ultrafast laser-deposited As_2S_3 chalcogenide films,” J. Opt. Soc. Am. B 20,1844–1852 (2003).
[Crossref]

A. Zakery and S. R. Elliot, “Optical properties and applications of chalcogenide glasses: a review,” J. Non-Cryst. Solids 330,1–12 (2003).
[Crossref]

1997 (1)

T. Sudoh, Y. Nakano, and K. Tada, “Wavelength trimming technology for multiple-wavelength distributed feedback laser array by photo-induced refractive index change,” Electron. Lett. 33,216”217 (1997).
[Crossref]

1986 (1)

S. R. Elliott, “A unified model for reversible photostructural effects in chalcogenide glasses,” J. Non-Cryst. Solids 81,71–98 (1986)
[Crossref]

1980 (1)

K. Tanaka, “Reversible photostructural change: Mechanisms, properties and applications,” J. Non-Cryst. Solids 35–36,1023–1034 (1980)
[Crossref]

1979 (1)

T. T. Nang, M. Okuda, and T. Matsushita, “Photo-induced absorption change in some Se-based glass alloy systems,” Phys. Rev. B 19,947–955 (1979).
[Crossref]

1974 (1)

T. Igo, Y. Noguchi, and H. Nagai, “Photoexpansion and ‘thermal contraction’ of amorphous chalcogenide glasses,” Appl. Phys. Lett. 25,193–194 (1974)
[Crossref]

Aers, G. C.

D. Dalacu, S. Frédérick, P. J. Poole, G. C. Aers, and R. L. Williams, “Postfabrication fine-tuning of photonic crystal microcavities in InAs/InP quantum dot membranes,” Appl. Phys. Lett. 87,151107 (2005).
[Crossref]

Akahane, Y.

B. Song, S. Noda, T. Asano, and Y. Akahane, “Ultra-high-Q photonic double heterostructure nanocavity,” Nature Mater. 4,207–210 (2005).
[Crossref]

Anand, S.

Arakawa, Y.

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

Arnold, C.

S. Song, S. Howard, Z. Liu, A. Dirisu, C. Gmachl, and C. Arnold, “Mode tuning of quantum cascade lasers through optical processing of Chalcogenide glass claddings,” Appl. Phys. Lett. 89,041115 (2006).
[Crossref]

Asano, T.

B. Song, S. Noda, T. Asano, and Y. Akahane, “Ultra-high-Q photonic double heterostructure nanocavity,” Nature Mater. 4,207–210 (2005).
[Crossref]

Benisty, H.

J-M. Lourtioz, H. Benisty, V. Berger, J-M. Gerard, D. Maystre, and A. Tchelnokov, Photonic Crystals: Towards Nanoscale Photonic Devices (Springer, 2005).

Berger, V.

J-M. Lourtioz, H. Benisty, V. Berger, J-M. Gerard, D. Maystre, and A. Tchelnokov, Photonic Crystals: Towards Nanoscale Photonic Devices (Springer, 2005).

Bishop, S.

S. Ramachandran and S. Bishop, “Photoinduced integrated-optics in rapid thermally annealed chalcogenide glasses,” IEEE J. Sel. Top. Quantum Electron. 11,260–270 (2005).
[Crossref]

Bolger, J. A.

Chong, H. M. H.

H. M. H. Chong and R. Delarue, “Tuning of photonic crystal waveguide microcavity by thermooptic effect,” IEEE Phot. Tech. Lett. 16,1528–1530 (2004).
[Crossref]

Clement, T.

R. Decorby, N. Ponnampalam, M. Pai, H. Nguyen, P. Dwivedi, T. Clement, C. Haugen, J. McMullin, and S. Kasap, “High index contrast waveguides in Chalcogenide glass and polymer,” IEEE J. Sel. Top. Quantum Electron. 11,539–546 (2005).
[Crossref]

Dalacu, D.

D. Dalacu, S. Frédérick, P. J. Poole, G. C. Aers, and R. L. Williams, “Postfabrication fine-tuning of photonic crystal microcavities in InAs/InP quantum dot membranes,” Appl. Phys. Lett. 87,151107 (2005).
[Crossref]

Decorby, R.

R. Decorby, N. Ponnampalam, M. Pai, H. Nguyen, P. Dwivedi, T. Clement, C. Haugen, J. McMullin, and S. Kasap, “High index contrast waveguides in Chalcogenide glass and polymer,” IEEE J. Sel. Top. Quantum Electron. 11,539–546 (2005).
[Crossref]

Delarue, R.

H. M. H. Chong and R. Delarue, “Tuning of photonic crystal waveguide microcavity by thermooptic effect,” IEEE Phot. Tech. Lett. 16,1528–1530 (2004).
[Crossref]

Dirisu, A.

S. Song, S. Howard, Z. Liu, A. Dirisu, C. Gmachl, and C. Arnold, “Mode tuning of quantum cascade lasers through optical processing of Chalcogenide glass claddings,” Appl. Phys. Lett. 89,041115 (2006).
[Crossref]

Dunbar, L. A.

Dwivedi, P.

R. Decorby, N. Ponnampalam, M. Pai, H. Nguyen, P. Dwivedi, T. Clement, C. Haugen, J. McMullin, and S. Kasap, “High index contrast waveguides in Chalcogenide glass and polymer,” IEEE J. Sel. Top. Quantum Electron. 11,539–546 (2005).
[Crossref]

Eggleton, B.

C. Grillet, C. Smith, D. Freeman, S. Madden, B. Luther-Davies, E. Magi, D. Moss, and B. Eggleton, “Efficient coupling to chalcogenide glass photonic crystal waveguides via silica optical fiber nanowires,” Opt. Express 14,1070–1078 (2006).
[Crossref] [PubMed]

M. Shokooh-Saremi, V. Taeed, I. Littler, D. Moss, B. Eggleton, Y. Ruan, and B. Luther-Davies, “Ultra-strong, well-apodised Bragg gratings in Chalcogenide rib waveguides,” Electron. Lett. 41,13–14 (2005).
[Crossref]

Eggleton, B. J.

Elliot, S. R.

A. Zakery and S. R. Elliot, “Optical properties and applications of chalcogenide glasses: a review,” J. Non-Cryst. Solids 330,1–12 (2003).
[Crossref]

Elliott, S. R.

S. R. Elliott, “A unified model for reversible photostructural effects in chalcogenide glasses,” J. Non-Cryst. Solids 81,71–98 (1986)
[Crossref]

Emery, T.

Englund, D.

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

Erickson, D.

Fattal, D.

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

Feigel, A.

V. Lyubin, M. Klebanov, A. Feigel, and B. Sfez, “Films of chalcogenide glassy semiconductors: New phenomena and new applications,” Thin Solid Films 459,183–186 (2004).
[Crossref]

Ferrini, R.

Frédérick, S.

D. Dalacu, S. Frédérick, P. J. Poole, G. C. Aers, and R. L. Williams, “Postfabrication fine-tuning of photonic crystal microcavities in InAs/InP quantum dot membranes,” Appl. Phys. Lett. 87,151107 (2005).
[Crossref]

Freeman, D.

Gayral, B.

J. M. Gerard and B. Gayral, “Toward high-efficiency quantum-dot single photon sources,” in Quantum Dots, Nanoparticles, and Nanoclusters, D. L. Huffaker and P. Bhattacharya, eds, Proc. SPIE 5361,88–95 (2004).
[Crossref]

Gerard, J. M.

J. M. Gerard and B. Gayral, “Toward high-efficiency quantum-dot single photon sources,” in Quantum Dots, Nanoparticles, and Nanoclusters, D. L. Huffaker and P. Bhattacharya, eds, Proc. SPIE 5361,88–95 (2004).
[Crossref]

Gerard, J-M.

J-M. Lourtioz, H. Benisty, V. Berger, J-M. Gerard, D. Maystre, and A. Tchelnokov, Photonic Crystals: Towards Nanoscale Photonic Devices (Springer, 2005).

Gmachl, C.

S. Song, S. Howard, Z. Liu, A. Dirisu, C. Gmachl, and C. Arnold, “Mode tuning of quantum cascade lasers through optical processing of Chalcogenide glass claddings,” Appl. Phys. Lett. 89,041115 (2006).
[Crossref]

Grillet, C.

Hatami, M.

Haugen, C.

R. Decorby, N. Ponnampalam, M. Pai, H. Nguyen, P. Dwivedi, T. Clement, C. Haugen, J. McMullin, and S. Kasap, “High index contrast waveguides in Chalcogenide glass and polymer,” IEEE J. Sel. Top. Quantum Electron. 11,539–546 (2005).
[Crossref]

Herzig, H. P.

Houdré, R.

Howard, S.

S. Song, S. Howard, Z. Liu, A. Dirisu, C. Gmachl, and C. Arnold, “Mode tuning of quantum cascade lasers through optical processing of Chalcogenide glass claddings,” Appl. Phys. Lett. 89,041115 (2006).
[Crossref]

Igo, T.

T. Igo, Y. Noguchi, and H. Nagai, “Photoexpansion and ‘thermal contraction’ of amorphous chalcogenide glasses,” Appl. Phys. Lett. 25,193–194 (1974)
[Crossref]

Kasap, S.

R. Decorby, N. Ponnampalam, M. Pai, H. Nguyen, P. Dwivedi, T. Clement, C. Haugen, J. McMullin, and S. Kasap, “High index contrast waveguides in Chalcogenide glass and polymer,” IEEE J. Sel. Top. Quantum Electron. 11,539–546 (2005).
[Crossref]

Kim, M.

Y. Ruan, M. Kim, Y. Lee, B. Luther-Davies, and A. Rode, “Fabrication of high-Q chalcogenide photonic crystal resonators by e-beam lithography,” submitted to Applied Physics Letters.

Klebanov, M.

V. Lyubin, M. Klebanov, A. Feigel, and B. Sfez, “Films of chalcogenide glassy semiconductors: New phenomena and new applications,” Thin Solid Films 459,183–186 (2004).
[Crossref]

Lee, J-B.

W. Park and J-B. Lee, “Mechanically tunable photonic crystal structure,” Appl. Phys. Lett. 85,4845–4847 (2004).
[Crossref]

Lee, Y.

Y. Ruan, M. Kim, Y. Lee, B. Luther-Davies, and A. Rode, “Fabrication of high-Q chalcogenide photonic crystal resonators by e-beam lithography,” submitted to Applied Physics Letters.

Littler, I.

M. Shokooh-Saremi, V. Taeed, I. Littler, D. Moss, B. Eggleton, Y. Ruan, and B. Luther-Davies, “Ultra-strong, well-apodised Bragg gratings in Chalcogenide rib waveguides,” Electron. Lett. 41,13–14 (2005).
[Crossref]

Liu, Z.

S. Song, S. Howard, Z. Liu, A. Dirisu, C. Gmachl, and C. Arnold, “Mode tuning of quantum cascade lasers through optical processing of Chalcogenide glass claddings,” Appl. Phys. Lett. 89,041115 (2006).
[Crossref]

Lizé, Y. K.

Lourtioz, J-M.

J-M. Lourtioz, H. Benisty, V. Berger, J-M. Gerard, D. Maystre, and A. Tchelnokov, Photonic Crystals: Towards Nanoscale Photonic Devices (Springer, 2005).

Luther-Davies, B.

Lyubin, V.

V. Lyubin, M. Klebanov, A. Feigel, and B. Sfez, “Films of chalcogenide glassy semiconductors: New phenomena and new applications,” Thin Solid Films 459,183–186 (2004).
[Crossref]

Madden, S.

Magi, E.

Mägi, E. C.

Marki, I.

Martz, J.

Matsushita, T.

T. T. Nang, M. Okuda, and T. Matsushita, “Photo-induced absorption change in some Se-based glass alloy systems,” Phys. Rev. B 19,947–955 (1979).
[Crossref]

Maystre, D.

J-M. Lourtioz, H. Benisty, V. Berger, J-M. Gerard, D. Maystre, and A. Tchelnokov, Photonic Crystals: Towards Nanoscale Photonic Devices (Springer, 2005).

McMullin, J.

R. Decorby, N. Ponnampalam, M. Pai, H. Nguyen, P. Dwivedi, T. Clement, C. Haugen, J. McMullin, and S. Kasap, “High index contrast waveguides in Chalcogenide glass and polymer,” IEEE J. Sel. Top. Quantum Electron. 11,539–546 (2005).
[Crossref]

McPhedran, R.

Moss, D.

C. Grillet, C. Smith, D. Freeman, S. Madden, B. Luther-Davies, E. Magi, D. Moss, and B. Eggleton, “Efficient coupling to chalcogenide glass photonic crystal waveguides via silica optical fiber nanowires,” Opt. Express 14,1070–1078 (2006).
[Crossref] [PubMed]

M. Shokooh-Saremi, V. Taeed, I. Littler, D. Moss, B. Eggleton, Y. Ruan, and B. Luther-Davies, “Ultra-strong, well-apodised Bragg gratings in Chalcogenide rib waveguides,” Electron. Lett. 41,13–14 (2005).
[Crossref]

S. Tomljenovic-Hanic, M. Steel, C. de Sterke, and D. Moss, “High-Q cavities in photosensitive photonic crystals,” Opt. Lett. Accepted in press.
[PubMed]

Moss, D. J.

Mulot, M.

Nagai, H.

T. Igo, Y. Noguchi, and H. Nagai, “Photoexpansion and ‘thermal contraction’ of amorphous chalcogenide glasses,” Appl. Phys. Lett. 25,193–194 (1974)
[Crossref]

Nakano, Y.

T. Sudoh, Y. Nakano, and K. Tada, “Wavelength trimming technology for multiple-wavelength distributed feedback laser array by photo-induced refractive index change,” Electron. Lett. 33,216”217 (1997).
[Crossref]

Nakaoka, T.

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

Nang, T. T.

T. T. Nang, M. Okuda, and T. Matsushita, “Photo-induced absorption change in some Se-based glass alloy systems,” Phys. Rev. B 19,947–955 (1979).
[Crossref]

Nguyen, H.

R. Decorby, N. Ponnampalam, M. Pai, H. Nguyen, P. Dwivedi, T. Clement, C. Haugen, J. McMullin, and S. Kasap, “High index contrast waveguides in Chalcogenide glass and polymer,” IEEE J. Sel. Top. Quantum Electron. 11,539–546 (2005).
[Crossref]

Noda, S.

B. Song, S. Noda, T. Asano, and Y. Akahane, “Ultra-high-Q photonic double heterostructure nanocavity,” Nature Mater. 4,207–210 (2005).
[Crossref]

Noguchi, Y.

T. Igo, Y. Noguchi, and H. Nagai, “Photoexpansion and ‘thermal contraction’ of amorphous chalcogenide glasses,” Appl. Phys. Lett. 25,193–194 (1974)
[Crossref]

Okuda, M.

T. T. Nang, M. Okuda, and T. Matsushita, “Photo-induced absorption change in some Se-based glass alloy systems,” Phys. Rev. B 19,947–955 (1979).
[Crossref]

Pai, M.

R. Decorby, N. Ponnampalam, M. Pai, H. Nguyen, P. Dwivedi, T. Clement, C. Haugen, J. McMullin, and S. Kasap, “High index contrast waveguides in Chalcogenide glass and polymer,” IEEE J. Sel. Top. Quantum Electron. 11,539–546 (2005).
[Crossref]

Park, W.

W. Park and J-B. Lee, “Mechanically tunable photonic crystal structure,” Appl. Phys. Lett. 85,4845–4847 (2004).
[Crossref]

Ponnampalam, N.

R. Decorby, N. Ponnampalam, M. Pai, H. Nguyen, P. Dwivedi, T. Clement, C. Haugen, J. McMullin, and S. Kasap, “High index contrast waveguides in Chalcogenide glass and polymer,” IEEE J. Sel. Top. Quantum Electron. 11,539–546 (2005).
[Crossref]

Poole, P. J.

D. Dalacu, S. Frédérick, P. J. Poole, G. C. Aers, and R. L. Williams, “Postfabrication fine-tuning of photonic crystal microcavities in InAs/InP quantum dot membranes,” Appl. Phys. Lett. 87,151107 (2005).
[Crossref]

Psaltis, D.

Ramachandran, S.

S. Ramachandran and S. Bishop, “Photoinduced integrated-optics in rapid thermally annealed chalcogenide glasses,” IEEE J. Sel. Top. Quantum Electron. 11,260–270 (2005).
[Crossref]

Rockwood, T.

Rode, A.

Y. Ruan, M. Kim, Y. Lee, B. Luther-Davies, and A. Rode, “Fabrication of high-Q chalcogenide photonic crystal resonators by e-beam lithography,” submitted to Applied Physics Letters.

Rode, A. V.

Ruan, Y.

M. Shokooh-Saremi, V. Taeed, I. Littler, D. Moss, B. Eggleton, Y. Ruan, and B. Luther-Davies, “Ultra-strong, well-apodised Bragg gratings in Chalcogenide rib waveguides,” Electron. Lett. 41,13–14 (2005).
[Crossref]

A. Zakery, Y. Ruan, A. V. Rode, M. Samoc, and B. Luther-Davies, “Low-loss waveguides in ultrafast laser-deposited As_2S_3 chalcogenide films,” J. Opt. Soc. Am. B 20,1844–1852 (2003).
[Crossref]

Y. Ruan, M. Kim, Y. Lee, B. Luther-Davies, and A. Rode, “Fabrication of high-Q chalcogenide photonic crystal resonators by e-beam lithography,” submitted to Applied Physics Letters.

Salt, M.

Samoc, M.

Sfez, B.

V. Lyubin, M. Klebanov, A. Feigel, and B. Sfez, “Films of chalcogenide glassy semiconductors: New phenomena and new applications,” Thin Solid Films 459,183–186 (2004).
[Crossref]

Sherer, A.

Shokooh-Saremi, M.

M. Shokooh-Saremi, V. Taeed, I. Littler, D. Moss, B. Eggleton, Y. Ruan, and B. Luther-Davies, “Ultra-strong, well-apodised Bragg gratings in Chalcogenide rib waveguides,” Electron. Lett. 41,13–14 (2005).
[Crossref]

Smith, C.

Solomon, G.

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

Song, B.

B. Song, S. Noda, T. Asano, and Y. Akahane, “Ultra-high-Q photonic double heterostructure nanocavity,” Nature Mater. 4,207–210 (2005).
[Crossref]

Song, S.

S. Song, S. Howard, Z. Liu, A. Dirisu, C. Gmachl, and C. Arnold, “Mode tuning of quantum cascade lasers through optical processing of Chalcogenide glass claddings,” Appl. Phys. Lett. 89,041115 (2006).
[Crossref]

Steel, M.

S. Tomljenovic-Hanic, M. Steel, C. de Sterke, and D. Moss, “High-Q cavities in photosensitive photonic crystals,” Opt. Lett. Accepted in press.
[PubMed]

Steel, M. J.

Steinvurzel, P.

Sterke, C. de

S. Tomljenovic-Hanic, M. Steel, C. de Sterke, and D. Moss, “High-Q cavities in photosensitive photonic crystals,” Opt. Lett. Accepted in press.
[PubMed]

Sudoh, T.

T. Sudoh, Y. Nakano, and K. Tada, “Wavelength trimming technology for multiple-wavelength distributed feedback laser array by photo-induced refractive index change,” Electron. Lett. 33,216”217 (1997).
[Crossref]

Ta’eed, V. G.

Tada, K.

T. Sudoh, Y. Nakano, and K. Tada, “Wavelength trimming technology for multiple-wavelength distributed feedback laser array by photo-induced refractive index change,” Electron. Lett. 33,216”217 (1997).
[Crossref]

Taeed, V.

M. Shokooh-Saremi, V. Taeed, I. Littler, D. Moss, B. Eggleton, Y. Ruan, and B. Luther-Davies, “Ultra-strong, well-apodised Bragg gratings in Chalcogenide rib waveguides,” Electron. Lett. 41,13–14 (2005).
[Crossref]

Tanaka, K.

K. Tanaka, “Reversible photostructural change: Mechanisms, properties and applications,” J. Non-Cryst. Solids 35–36,1023–1034 (1980)
[Crossref]

Tchelnokov, A.

J-M. Lourtioz, H. Benisty, V. Berger, J-M. Gerard, D. Maystre, and A. Tchelnokov, Photonic Crystals: Towards Nanoscale Photonic Devices (Springer, 2005).

Tomljenovic-Hanic, S.

S. Tomljenovic-Hanic, M. Steel, C. de Sterke, and D. Moss, “High-Q cavities in photosensitive photonic crystals,” Opt. Lett. Accepted in press.
[PubMed]

Vuckovic, J.

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

Waks, E.

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

Wild, B.

Williams, R. L.

D. Dalacu, S. Frédérick, P. J. Poole, G. C. Aers, and R. L. Williams, “Postfabrication fine-tuning of photonic crystal microcavities in InAs/InP quantum dot membranes,” Appl. Phys. Lett. 87,151107 (2005).
[Crossref]

Yamamoto, Y.

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

Zabelin, V.

Zakery, A.

Zhang, B.

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

Zuppiroli, L.

Appl. Phys. Lett. (4)

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Figures (7)

Fig. 1.
Fig. 1. A schematic diagram showing the principle of the photosensitive post tuning of a chalcogenide photonic crystal waveguide.
Fig. 2.
Fig. 2. (a) Optical microscope image of the W1 PhC waveguide used in this experiment. (b) Scanning electron microscope image. Hole pitch is 550nm.
Fig. 3.
Fig. 3. A schematic diagram of the experimental setup for both coupling into the Photonic Crystal Waveguide (PCWG) using evanescent coupling and photosensitive post-processing the PhC sample.
Fig. 4.
Fig. 4. a) Schematic showing the coupling from a tapered fibre to PhC waveguide, b) Band structure of the W1 waveguide used in this work (red) overlaid with the dispersion curve of the tapered fiber in green.
Fig.5.
Fig.5. Transmission spectrum through the tapered fiber for coupling to the W1 waveguide, with the fiber in direct contact with the waveguide. Dashed lines represent numerically predicted values for the TE0 and TE1 coupling resonances.
Fig. 6.
Fig. 6. Photosensitive tuning of the TE0 mode during the exposure. The resonance dip is plotted for a range of times during the exposure.
Fig. 7.
Fig. 7. Shift in coupling wavelength versus exposure fluence at 633nm of the PhC TE0 waveguide mode.

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