Optical bandpass switching by modulating a microcavity using ultrafast acoustics

Berstermann, T.; Brüggemann, Christian; Bombeck, M.; Akimov, A. V.; Yakovlev, D. R.; Kruse, C.; Hommel, D.; Bayer, М.

doi:10.1103/physrevb.81.085316

Cited by 30 publications

(24 citation statements)

References 25 publications

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“…This unambiguously proves that the electrically generated coherent acoustic phonon strain and stress fields of the SAW spectrally tune the nanocavity photonic mode. Furthermore, our observation confirms nicely acoustic tuning performed on one-dimensional Bragg microcavities using SAW 20 or optically generated, broadband picosecond strain pulses 23 . Since the latter are generated on the backside of the sample and propagate as bulk acoustic waves, these cannot be directly applied to PCM-based systems.…”

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confidence: 79%

Dynamic modulation of photonic crystal nanocavities using gigahertz acoustic phonons

et al. 2011

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Photonic crystal membranes (PCM) provide a versatile planar platform for on-chip implementations of photonic quantum circuits 1-3 . One prominent quantum element is a coupled system consisting of a nanocavity and a single quantum dot (QD) 4-7 which forms a fundamental building block for elaborate quantum information networks 8-10 and a cavity quantum electrodynamic (cQED) system controlled by single photons 3 . So far no fast tuning mechanism is available to achieve control within the system coherence time. Here we demonstrate dynamic tuning by monochromatic coherent acoustic phonons formed by a surface acoustic wave (SAW) with frequencies exceeding 1.7 gigahertz, one order of magnitude faster than alternative approaches 5-7 . We resolve a periodic modulation of the optical mode exceeding eight times its linewidth, preserving both the spatial mode profile and a high quality factor. Since PCMs confine photonic and phononic excitations 11,12 , coupling optical to acoustic frequencies, our technique opens ways towards coherent acoustic control of optomechanical crystals.In basic research SAWs found applications in the investigation of fundamental quantum effects in nanosystems 13-17 , the manipulation of photonic bandgap structures 18 , microcavity and surface plasmon polaritons 19-21 with frequencies spanning from a few megahertz up to a several gigahertz. We electrically generate SAWs by applying a short radio frequency (RF) voltage pulse to interdigital transducer electrodes (IDT) as shown schematically in Fig. 1 (a). As this pulse propagates across the PCM, it dynamically

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confidence: 79%

Dynamic modulation of photonic crystal nanocavities using gigahertz acoustic phonons

et al. 2011

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“…The ultrafast piezospectroscopic effect observed in the experiments with picosecond strain pulses opens a new field in optical and photocurrent spectroscopy [10,[13][14][15][16][17]. There the energy of resonant optical transitions is modulated on a picosecond timescale and the amplitude of this modulation exceeds the width of spectral lines in stationary experiments.…”

Section: Introductionmentioning

confidence: 98%

“…In the present paper, we give an overview of our recent optical and photocurrent spectroscopic experiments with picosecond strain pulse [13][14][15][16][17]. In Section 2 we describe briefly the experimental method for the generation of picosecond strain pulses.…”

Section: Introductionmentioning

confidence: 99%

Optical and photocurrent spectroscopy with picosecond strain pulses

Akimov

Scherbakov

Yakovlev

et al. 2011

Journal of Luminescence

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“…Among these applications, one can mention (1) omnidirectional band gaps [55][56][57][58], (2) the possibility to engineer small-size sonic crystals with locally resonant band gaps in the audible frequency range [59], (3) hypersonic crystals [60-63] with high-frequency band gaps to enhance acousto-optical [49][50][51] or optomechanical [64,65] interaction and to realize stimulated emission of acoustic phonons [66], and (4) the possibility to enhance selective transmission through guided modes of a cavity layer inserted in the periodic structure [6,67] or by interface resonance modes induced by the superlattice/substrate interface [68][69][70]. The advantage of 1D systems lies in the fact that their design is more feasible and they require only relatively simple analytical and numerical calculations.…”

Section: Introductionmentioning

confidence: 99%

One-Dimensional Phononic Crystals

Boudouti¹,

Djafari‐Rouhani²

2012

Springer Series in Solid-State Sciences

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In this chapter, we discuss the vibrational properties of one-dimensional (1D) phononic crystals of both discrete and continuous media. These properties include the dispersion curves of infinite crystals as well as the confined modes and localized (surface, cavity) modes of finite and semi-infinite crystals. A general rule about the existence of localized surface modes in finite and semi-infinite superlattices with free surfaces is presented. We also present the calculations of reflection and transmission coefficients, particularly in view of selective filtering through localized modes. Most of the results presented in this chapter deal with waves propagating along the axis of the superlattice. However, in the last part of the chapter, we also discuss wave propagation out of the normal incidence and, more particularly, we demonstrate the possibility of omnidirectional transmission gap and selective filtering for any incidence angle. A comparison of the theoretical results with experimental data available in the literature is also presented and the reliability of the theoretical predictions is indicated. IntroductionThe one-dimensional (1D) phononic crystals called superlattices (SLs) are of great importance in material science. These structures are, in general, composed of two or several layers repeated periodically along the direction of growth. The layers constituting each cell of the SL can be made of a combination of solid-solid or solid-fluid-layered media. These materials enter now in the category of so-called phononic crystals (see the first chapter of this book and references therein) [1][2][3] constituted by inclusions (spheres, cylinders, etc.) arranged in a host matrix along two-dimensional (2D) and three-dimensional (3D) of the space. After the proposal of SLs by Esaki [4], the study of elementary excitations in multilayered systems has been very active. Among these excitations, acoustic phonons have received increased attention after the first observation by Colvard et al.[5] of a doublet associated to folded longitudinal acoustic phonons by means of Raman scattering. The essential property of these structures is the existence of forbidden frequency bands induced by the difference in acoustic properties of the constituents and the periodicity of these systems leading to unusual physical phenomena in these heterostructures in comparison with bulk materials [6][7][8].With regard to acoustic waves in solid-solid SLs, a number of theoretical and experimental works have been devoted to the study of the band gap structures of periodic SLs [6-10] composed of crystalline, amorphous semi-conductors, or metallic multilayers at the nanometric scale. The theoretical models used are essentially the transfer matrix [7,[11][12][13] and the Green's function methods [6,[14][15][16], whereas the experimental techniques include Raman scattering [5,17,18], ultrasonics [19][20][21][22][23][24][25][26][27][28][29], and time-resolved X-ray diffraction [30]. Besides the existence of the band-gap structures in perfe...

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Optical bandpass switching by modulating a microcavity using ultrafast acoustics

Cited by 30 publications

References 25 publications

Dynamic modulation of photonic crystal nanocavities using gigahertz acoustic phonons

Dynamic modulation of photonic crystal nanocavities using gigahertz acoustic phonons

Optical and photocurrent spectroscopy with picosecond strain pulses

One-Dimensional Phononic Crystals

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