Scientific Commons: T. A. Birks

Mode field converter based on embedded photonic crystal fiber (2009)

Sun, W. M., Liu, X. Q., Chai, Q., Zhang, J. Z., Fu, F. H., Jiang, Y., ...

Six high-index cores are embedded around the central solid core of the photonic crystal fiber to form a fiber embedded photonic crystal fiber (FEPCF), which is investigated based on the beam...

Low bend loss in tightly-bent fibers through adiabatic bend transitions (2009)

Yao, L, Birks, T A, Knight, Jonathan C

We demonstrate low bend loss for tightly bent optical fibers by winding the fiber around a mandrel designed to follow an adiabatic transition path into the bend. Light in the fundamental core-guided...

Tapered fibers embedded in silica aerogel (2009)

Xiao, L. M., Grogan, M.D.W., Leon-Saval, S.G., Williams, R., England, R., Wadsworth, W.J., ...

Control surface modes in low loss hollow-core photonic bandgap fibers (2008)

Amezcua-Correa, R., Gérôme, F., Leon-Saval, S., Broderick, N.G.R., Birks, T.A., Knight, J.C.

We report low-loss hollow-core photonic bandgap fibers free from surface modes. They have low attenuation over the full spectral width of the bandgap, and approximately halved dispersion and...

Control of surface modes in low loss hollow-core photonic bandgap fibers (2008)

Amezcua-Correa, R., Gèrôme, F., Leon-Saval, S.G., Broderick, N.G.R., Birks, T.A., Knight, J.C.

We report on the fabrication and characterization of hollow-core photonic bandgap fibers that do not suffer from surface mode coupling within the photonic bandgap of the cladding. This enables low...

Post-processing and tapering of PCFs (2008)

Leon-Saval, S. G., Birks, T. A., Witkowska, A., Ke, Lai, Wadsworth, W. J.

New methods have been developed in post-processing and tapering of PCFs to achieve a variety of low-loss optical devices. Interfacing between waveguides with very different properties and highly...

Control of surface modes in low loss hollow-core photonic bandgap fibers (2008)

Amezcua-Correa, R., Gerome, F., Leon-Saval, S., Broderick, N. G. R., Birks, T. A., Knight, J. C.

We report low-loss hollow-core photonic bandgap fibers free from surface modes. They have low attenuation over the full spectral width of the bandgap, and approximately halved dispersion and...

Control of Surface Modes in Low Loss Hollow-Core Photonic Bandgap Fibers (2008)

Amezcua-Correa, R, Gerome, R, Leon-Saval, S., Broderick, N. G. R., Birks, T. A., Knight, J. C.

We report low-loss hollow-core photonic bandgap fibers free from surface modes. They have low attenuation over the full spectral width of the bandgap, and approximately halved dispersion and...

Square-Lattice Large-Pitch Hollow-Core Photonic Crystal Fiber (2008)

Couny, Francois, Roberts, P. J., Benabid, F, Birks, T. A.

Large pitch square-lattice hollow core photonic crystal fibers have been fabricated. Measurements show that the fiber exhibits similar optical linear properties to the Kagome fiber.

LP01 to TE01, fibre mode convertor (2007)

Witkowska, A., Leon-Saval, S. G., Lai, K., Birks, T. A.

Mode convertors couple light from one fibre mode to another. They have applications in dispersion compensation, nonlinear optics and atom guiding for example. We demonstrate coupling from the...

Coupling in dual-core photonic bandgap fibers: theory and experiment (2007)

Wang, Z., Taru, T., Birks, T. A., Knight, J. C.

935nm Nd/sup 3+/ fibre laser incorporating tapered photonic bandgap fibre filter (2007)

Wang, A., Ding, W., Birks, T. A., Knight, J. C.

An 8 cm length of photonic bandgap fibre was tapered in the middle to narrow the transmission windows. The tapered fibre was incorporated into a neodymium fibre laser system, in which it suppressed...

935 nm Nd3+ fibre laser incorporating tapered photonic bandgap fibre filter (2007)

Wang, A., Ding, W., Birks, T. A., Knight, J. C.

Effective index method for all-solid photonic bandgap fibres (2007)

Li, Y. F., Wang, C. Y., Birks, T. A., Bird, D. M.

Wavelength-independent all-fiber mode converters (2007)

Lai, K., Leon-Saval, S. G., Witkowska, A., Wadsworth, W. J., Birks, T. A.

Photonic crystal fibre tapers and devices (2007)

Birks, T. A.

Tapering (heat treatment after fabrication) can radically change the properties of photonic crystal fibres over centimetre lengths. Such transitions give useful fibre devices, including low-loss...

Broadband Mode Convertors in Photonic Crystal Fibres (2007)

Birks, T. A., Witkowska, Agata, Leon-Saval, S, Lai, Ke, Wadsworth, William

Liquid-crystal-based in-fiber tunable spectral structures (2006)

Zalevsky, Z., Luan, F., Wadsworth, W. J., Saval, S. L., Birks, T. A.

Enhanced visible continuum generation from a microchip 1064nm laser (2006)

Xiong, C., Witkowska, A., Leon-Saval, S. G., Birks, T. A., Wadsworth, W. J.

All-fiber anamorphic core-shape transitions (2006)

Witkowska, A., Lai, K., Leon-Saval, S. G., Wadsworth, W. J., Birks, T. A.

All solid photonic bandgap fiber based on an array of oriented rectangular high index rods (2006)

Wang, A., Pearce, G. J., Luan, F., Bird, D. M., Birks, T. A., Knight, J. C.

An improved photonic bandgap fiber based on an array of rings (2006)

Stone, J. M., Pearce, G. J., Luan, F., Birks, T. A., Knight, J. C., George, A. K., ...

Design of low-loss and highly birefringent hollow-core photonic crystal fiber (2006)

Roberts, P. J., Williams, D. P., Sabert, H., Mangan, B. J., Bird, D. M., Birks, T. A., ...

Fibre core shape transitions for optical interfacing (2006)

Lai, K., Witkowska, A., Leon-Saval, S. G., Wadsworth, W. J., Birks, T. A.

Transitions in core shape are formed in photonic crystal fibres by differential pressurisation of the holes and localised heating. Low-loss anamorphic transitions to rectangular and annular cores are...

Solid photonic bandgap fibres and applications (2006)

Knight, J. C., Luan, F., Pearce, G. J., Wang, A., Birks, T. A., Bird, D. M.

Supercontinuum generation system for optical coherence tomography based on tapered photonic crystal fibre (2006)

Humbert, G., Wadsworth, W. J., Leon-Saval, S. G., Knight, J. C., Birks, T. A., Russell, P. S. J., ...

Low-loss singlemode fibre 1 x 2 Y-junction (2006)

Healy, N., McDaid, E., Murphy, D. F., Hussey, C. D., Birks, T. A.

Modal coupling in fiber tapers decorated with metallic surface gratings (2006)

Ding, W., Andrews, S. R., Birks, T. A., Maier, S. A.

Approximate band structure calculation for photonic bandgap fibres (2006)

Birks, T. A., Pearce, G. J., Bird, D. M.

Bend loss in all-solid bandgap fibres (2006)

Birks, T. A., Luan, F., Pearce, G. J., Wang, A., Knight, J. C., Bird, D. M.

Reducing losses in photonic crystal fibres (2006)

Birks, T. A.

The loss of photonic crystal fibres is determined by the fibre attenuation, and also input and output coupling losses. I will review present understanding of both types of loss, and how they can be...

Experimental demonstration of the frequency shift of bandgaps in photonic crystal fibers due to refractive index scaling (2006)

Antonopoulos, G., Benabid, Fetah, Birks, T. A., Bird, D. M., Knight, J. C., Russell, P. S. J.

Hole inflation and tapering of stock photonic crystal fibres (2005)

Wadsworth, W. J., Witkowska, A., Leon-Saval, S. G., Birks, T. A.

Realizing low loss air core photonic crystal fibers by exploiting an antiresonant core surround (2005)

Roberts, P. J., Williams, D. P., Mangan, B. J., Sabert, H., Couny, F., Wadsworth, W. J., ...

Ultimate low loss of hollow-core photonic crystal fibres (2005)

Roberts, P. J., Couny, F., Sabert, H., Mangan, B. J., Williams, D. P., Farr, L., ...

Loss in solid-core photonic crystal fibers due to interface roughness scattering (2005)

Roberts, P. J., Couny, F., Sabert, H., Mangan, B. J., Birks, T. A., Knight, J. C., ...

Achieving low loss and low nonlinearity in hollow core photonic crystal fibers (2005)

Roberts, P. J., Couny, F., Birks, T. A., Knight, J. C., St Russell, P. J., Mangan, B. J., ...

Loss and nonlinearity in hollow core photonic crystal fibers are shown to be simultaneously reduced by the incorporation of anti-resonant features within the boundary region between the core and the...

Splice-free interfacing of photonic crystal fibers (2005)

Leon-Saval, S. G., Birks, T. A., Joly, N. Y., George, A. K., Wadsworth, W. J., Kakarantzas, G., ...

Wavelength-independent high-extinction fibre mode convertor (2005)

Leon-Saval, S. G., Birks, T. A., George, A. K., Wadsworth, W. J., Russell, P. St J.

We have used photonic crystal fibre techniques to construct a mode converter. It couples light from LP/sub 01/ to LP/sub 11/ modes with extinction ratio >30 dB at all wavelengths from 650-1750 nm.

Single-mode performance in multimode fibre devices (2005)

Leon-Saval, S. G., Birks, T. A., Bland-Hawthorn, J., Englund, M.

We demonstrate a waveguide transition between a multimode fibre and several single-mode fibres. Splicing identical Bragg gratings between two such transitions yields a multimode fibre filter with the...

Multimode fiber devices with single-mode performance (2005)

Leon-Saval, S. G., Birks, T. A., Bland-Hawthorn, J., Englund, M.

A single-material glass-web optical fiber (2005)

Joly, N. Y., Yulin, A., Knight, J. C., Birks, T. A., Russell, P. St J.

We present a glass-web fiber waveguide made by the stack and draw method used in photonic crystal fiber manufacturing. Nonlinear behavior such as the cancellation of self-frequency shift are reported.

Linear and nonlinear guidance in an ultralow loss planar glass membrane (2005)

Joly, N. Y., Birks, T. A., Yulin, A., Knight, J. C., Russell, P. S. J.

Selective mode excitation in hollow-core photonic crystal fiber (2005)

Galea, A. D., Couny, F., Coupland, S., Roberts, P. J., Sabert, H., Knight, J. C., ...

Visualizing the photonic band gap in hollow core photonic crystal fibers (2005)

Couny, F., Sabert, H., Roberts, P. J., Williams, D. P., Tomlinson, A., Mangan, B. J., ...

Engineering the dispersion of tapered fibers for supercontinuum generation with a 1064 nm pump laser (2005)

Cordeiro, C. M. B., Wadsworth, W. J., Birks, T. A., Russell, P. S. J.

The fundamental limits to the attenuation of hollow-core photonic crystal fibres (2005)

Birks, T. A., Roberts, P. J., Couny, F., Sabert, H., Mangan, B. J., Williams, D. P., ...

We propose that the transmission of hollow-core photonic crystal fibres is ultimately limited by scattering from roughness due to frozen-in surface capillary waves. This is confirmed by measurements...

Optical micro- and nano-structures using fibre tapers (2005)

Birks, T. A., Leon-Saval, S. G., Wadsworth, W. J., Russell, P. St J.

Tapering of conventional and photonic crystal fibres can be used to make glass-air waveguides down to submicron scales, and gives them ready-made low-loss interfaces to simplify input and output...

All-fiber single-mode hollow-core gas cells for stimulated Raman scattering and laser frequency stabilization (2005)

Benabid, Fetah, Couny, F., Knight, J. C., Birks, T. A., Russell, P. St J.

Gas-filled hollow-core photonic crystal fiber (HC-PCF) is hermetically spliced to standard single-mode fiber with low insertion-loss. A hydrogen-filled HC-PCF based quasi-CW Raman converter and an...

Compact, stable and efficient all-fibre gas cells using hollow-core photonic crystal fibres (2005)

Benabid, Fetah, Couny, F., Knight, J. C., Birks, T. A., Russell, P. S.

Guidance properties of low-contrast photonic bandgap fibres (2005)

Argyros, A., Birks, T. A., Leon-Saval, S. G., Cordeiro, C. M. B., Russell, P. S.

Photonic bandgap with an index step of one percent (2005)

Argyros, A., Birks, T. A., Leon-Saval, S. G., Cordeiro, C. M. B., Luan, F., Russell, P. S. J.

Very high numerical aperture fibers (2004)

Wadsworth, W. J., Percival, R. M., Bouwmans, G., Knight, J. C., Birks, T. A., Hedley, T. D., ...

Supercontinuum and four-wave mixing with Q-switched pulses in endlessly single-mode photonic crystal fibres (2004)

Wadsworth, W. J., Joly, N., Knight, J. C., Birks, T. A., Biancalana, F., Russell, P. S. J.

Compact supercontinuum generation and four-wave mixing in PCF with 10 ns laser pulses (2004)

Wadsworth, W. J., JoIy, N. Y., Biancalana, F., Knight, J. C., Birks, T. A., Russell, P. St J.

We report broad flat supercontinuum, 500-1750+ nm, using a kHz train of nanosecond Q-switched microchip laser pulses at 1064 nm or 1047 nm. The same systems exhibit strong parametric generation of...

Low loss (1.7 dB/km) hollow core photonic bandgap fiber (2004)

Mangan, B. J., Farr, L., Langford, A., Roberts, P. J., Williams, D. P., Couny, F., ...

We report a silica hollow core photonic bandgap fiber with a minimum attenuation of 1.72 dB/km at 1565 nm wavelength and discuss the scaling of attenuation with wavelength and the minimum loss...

Slope-matched dispersion-compensating photonic crystal fibre (2004)

Mangan, B. J., Couny, F., Farr, L., Langford, A., Roberts, P. J., Williams, D. P., ...

Splice-less interfacing of conventional fibers to photonic crystal fibers (2004)

Leon-Saval, S. G., Kakarantzas, G., George, A. K., Birks, T. A., Russell, P. St J.

Coupling into small-core photonic crystal fibers is not easy, even with bulk optics. By adapting the PCF fabrication technique, low-loss adiabatic transitions between single-mode fibers and...

Efficient single-mode supercontinuum generation in submicron-diameter silica-air fibre waveguides (2004)

Leon-Saval, S. G., Birks, T. A., Wadsworth, W. J., Russell, P. S. Lj, Mason, M. W.

Supercontinuum generation in submicron fibre waveguides (2004)

Leon-Saval, S. G., Birks, T. A., Wadsworth, W. J., Russell, P. S. J., Mason, M. W.

All-fiber devices based on sol-gel coated tapered fibers (2004)

Kakarantzas, G., Leon-Saval, S. G., Birks, T. A., Russell, P. St J.

Low-loss porous silica films were deposited onto tapered fibers in minutes. By periodically varying the film's porosity with a CO2 laser, we demonstrated a new type of thermally-stable structural...

Low-loss deposition of solgel-derived silica films on tapered fibers (2004)

Kakarantzas, G., Leon-Saval, S. G., Birks, T. A., Russell, P. S. J.

Octave supercontinuum generated in tapered conventional fibres by a nanosecond 1064 nm laser (2004)

Cordeiro, C. M. B., Wadsworth, W. J., Birks, T. A., Russell, P. St J.

We demonstrated a 650 nm wide supercontinuum generated in tapered fibres immersed in heavy water. The pump source was a low-cost diode-pumped Nd:YAG laser with a pulse width of 0.6 ns and an output...

All-fibre devices based on tapered fibres (2004)

Birks, T. A., Kakarantzas, G., StJ Russell, P.

Most attendees of OFC will be familiar with fused couplers, the ubiquitous all-fibre beamsplitter. This paper reviews the many other functions performed on light by fibres tapered through heating and...

Scaling laws and vector effects in bandgap-guiding fibres (2004)

Birks, T. A., Bird, D. M., Hedley, T. D., Pottage, J. M., Russell, P. S.

Experimental demonstration of refractive index scaling in photonic bandgap fibers (2004)

Antonoppolos, G., Benabid, Fetah, Birks, T. A., Bird, D. M., Bouwmans, G., Knight, J. C., ...

We report on the experimental observation of the bandgap shift in D/sub 2/O-filled hollow core photonic crystal fibers. Our results confirm a simple scaling law for bandgaps in fibers with different...

Robust photonic band gaps for hollow core guidance in PCF made from high index glass (2003)

Pottage, J. M., Bird, D. M., Hedley, T. D., Birks, T. A., Knight, J. C., Russell, P. S., ...

High power photonic crystal fibre laser with very high NA pump cladding (2003)

Percival, R. M., Wadsworth, W. J., Bouwmans, G., Knight, J. C., Birks, T. A., Hedley, T. D., ...

4 W of laser power at 1040 nm has been achieved for the first time from an Yb-doped double clad PCF. The inner cladding of this fibre has the highest NA yet reported of 0.7-0.8.

Structural rocking filters in highly birefringent photonic crystal fiber (2003)

Kakarantzas, G., Ortigosa-Blanch, A., Birks, T. A., Russell, P. S., Farr, L., Couny, F., ...

Miniature mach-zehnder interferometer based on rocking filters in photonic crystal fiber (2003)

Kakarantzas, G., Birks, T. A., Russell, P. St J.

Post-processing of photonic crystal fibres using a CO/sub 2/ laser beam: a step towards miniature compact fibre devices (2003)

Kakarantzas, G., Birks, T. A., Russell, P. St J.

Post processing of photonic crystal fibres with a CO/sub 2/ laser is a very powerful and versatile method for fabricating miniature compact fibre devices including structural long period gratings and...

High power Er/Yb fiber laser with very high numerical aperture pump cladding waveguide (2003)

Bouwmans, G., Percival, R. M., Wadsworth, W. J., Knight, J. C., Birks, T. A., Russell, P. St J.

High power Er/Yb lasers at 1.55 /spl mu/m are attractive for a number of applications, for example sensors, spectroscopy and free space telecommunications. In this paper, we report a double-clad...

Compact ultrahigh resolution oct system for real-time in vivo imaging (2003)

Bourquin, S., Hsiung, P., Hard, I., Aguirre, A. D., Ko, T. H., Fujimoto, J. G., ...

Ultrahigh resolution real time OCT imaging using a compact femtosecond Nd : Glass laser and nonlinear fiber (2003)

Bourquin, S., Aguirre, A. D., Hartl, I., Hsiung, P., Ko, T. H., Fujimoto, J. G., ...

Doubly phase-matched cascaded wave mixing in tapered fibers (2003)

Akimov, D. A., Kolevatova, O. A., Fedotov, A. B., Konorov, S. O., Podshivalov, A. A., Zhelticov, A. M., ...

Doubly phase-matched cascaded four-wave mixing in tapered fibers is demonstrated using femtosecond Cr:forsterite laser pulses. The first stage of this cascade involves phase-matched third-harmonic...

Generation of a spectrally asymmetric third harmonic with unamplified 30-fs Cr : forsterite laser pulses in a tapered fiber (2003)

Akimov, D. A., Ivanov, A. A., Naumov, A. N., Kolevatova, O. A., Alfimov, M. V., Birks, T. A., ...

Frequency conversion of femtosecond Cr : forsterite-laser pulses in a tapered fibre (2003)

Akimov, D. A., Ivanov, A. A., Alfimov, M. V., Fedotov, A. B., Birks, T. A., Wadsworth, W. J., ...

Doubly phase-matched cascaded parametric wave mixing of ultrashort laser pulses (2003)

Akimov, D. A., Alfimov, M. V., Ivanov, A. A., Fedotov, A. B., Birks, T. A., Wadsworth, W. J., ...

Supercontinuum generation in photonic crystal fibers and optical fiber tapers: a novel light source (2002)

Wadsworth, W. J., Ortigosa-Blanch, A., Knight, J. C., Birks, T. A., Man, T. P. M., Russell, P. S.

Structural long-period gratings in photonic crystal fibers (2002)

Kakarantzas, G., Birks, T. A., Russell, P. S.

Photonic crystal fibres for sensor applications (2002)

Jones, J. D. C., Knight, J. C., Birks, T. A.

Photonic crystal fibres (PCF) offer extraordinary control over their waveguiding properties via the geometry of their microstructure. We shall describe the design principles for PCF, their practical...

High resolution OCT imaging using a spectrally broadened femtosecond Nd:glass laser (2002)

Hartl, I., Hsiung, R., Ko, T. H., Fujimoto, J. G., Birks, T. A., Wadsworth, W. J.

We demonstrate a new light source for OCT using a compact Nd:glass femtosecond laser spectrally broadened in a tapered single mode fiber. A reflective grating phase delay line permits high speed,...

Continuum generation about the second zero in group-velocity dispersion of a narrow diameter tapered fiber (2002)

Harbold, J. M., Wise, F. W., Birks, T. A., Wadsworth, W. J.

Summary form only given. We have demonstrated that the second zero in the GVD of a narrow waist tapered fiber can be used to generate a continuum at wavelengths comparable to and longer than the...

Long-wavelength continuum generation about the second dispersion zero of a tapered fiber (2002)

Harbold, J. M., Ilday, F. O., Wise, F. W., Birks, T. A., Wadsworth, W. J., Chen, Z.

Supercontinuum generation in tapered fibres (2002)

Birks, T. A., Bahloul, D., Man, T. P. M., Wadsworth, W. J., Russell, P. St J.

Summary form only given. The key feature of the microstructured fibre is the large index step between core (silica) and cladding (mostly air). This permits confinement in a very small core and hence...

Experimental investigations of the influence of a tapered fibre on the stability of the intermode frequency of highly stable femtosecond pulses (2002)

Bagayev, S. N., Goncharenko, A. M., Zakharyash, V. F., Klementyev, V. M., Kolker, D. B., Kuznetsov, S. A., ...

Formation and distortions of the ultrashort pulse train spectrum broadened in tapered fiber (2002)

Bagayev, S. N., Chepurov, S. V., Denisov, V. I., Klementyev, V. M., Kolker, D. B., Korel, I. I., ...

We propose a theoretical description and give experimental results of the ultrashort pulse train spectral broadening in tapered fibers. A multi-peak spectral structure due to the effect of self-phase...

Two-octave spectral broadening of subnanojoule Cr : forsterite femtosecond laser pulses in tapered fibers (2002)

Akimov, D. A., Ivanov, A. A., Alfimov, M. V., Bagayev, S. N., Birks, T. A., Wadsworth, W. J., ...

Two-octave spectral broadening of subnanojoule Cr:forsterite femtosecond laser pulses in tapered fibers (2002)

Akimov, D. A., Fedotov, A. B., Podshivalov, A. A., Zheltikov, A. M., Ivanov, A. A., Alfimov, M. V., ...

We present the results of our experiments devoted to the investigation of the spectral broadening of femtosecond Cr:forsterite laser pulses in tapered fibers. Unamplified Cr:forsterite laser pulses...

Fundamental-mode cutoff in a photonic crystal fiber with a depressed-index core (2001)

Mangan, B. J., Arriaga, J., Birks, T. A., Knight, J. C., Russell, P. S.

Remotely addressed optical fibre curvature sensor using multicore photonic crystal fibre (2001)

MacPherson, W. N., Gander, M. J., McBride, R., Jones, J. D. C., Blanchard, P. M., Burnett, J. G., ...

Using photonic crystals as optical fibers (2001)

Knight, J. C., Birks, T. A., Mangan, B. J., Russell, P. St J.

By designing and fabricating optical fibers using photonic crystal materials as cladding, one can create fibers with previously unimaginable waveguiding properties. The development of photonic...

Directional coupling in a twin core photonic crystal fiber using heat treatment (2001)

Kakarantzas, G., Mangan, B. J., Birks, T. A., Knight, J. C., Russell, P. S. J.

Summary form only given. We demonstrate an evanescent field coupler by selective heat-treating a region of a previously uncoupled twin core PCF. The twin-core PCF presented in this paper was...

Miniature all-fiber devices based on CO2 laser micro structuring of tapered fibers (2001)

Kakarantzas, G., Dimmick, T. E., Birks, T. A., Le Roux, R., Russell, P. S. J.

Strain-induced phase-matching and tunability of acoustic gratings in fibers (2001)

Diez, A., Kakarantzas, G., Birks, T. A., Russell, P. S.

1-D acoustic cavity in optical fibers using two acoustic Bragg gratings (2001)

Diez, A., Kakarantzas, G., Birks, T. A., Russell, P. S.

Supercontinuum generation in fused fibre couplers (2001)

Birks, T. A., Wadsworth, W. J.

Summary form only given. Supercontinuum (SC) light with a 400-1600 nm spectrum has been generated in optical fibres using unamplified femtosecond Ti:sapphire lasers. The fibre can be a special...

Photonic crystal fibres: An endless variety (2001)

Birks, T. A., Knight, J. C., Mangan, B. J., Russell, P. S.

Femtosecond frequency combs stabilized with a He-Ne/CH4 laser: Toward a femtosecond optical clock (2001)

Bagayev, S. N., Dmitriyev, A. K., Chepurov, S. V., Dychkov, A. S., Klementyev, V. M., Kolker, D. B., ...

Spectral superbroadening of subnanojoule Cr : Forsterite femtosecond laser pulses in a tapered fiber (2001)

Akimov, D. A., Ivanov, A. A., Alfimov, M. V., Bagayev, S. N., Birks, T. A., Wadsworth, W. J., ...

Acousto-Optical Frequency Shifters in Dual-Core Optical Fibres. (1998)

Birks, T. A., Russell, P. J., Culverhouse, D. O., Farwell, S. G., Pannell, C. N.

The aim of this project is the design and implementation of a practical acousto-optic frequency-shifter compatible with single-mode optical fibre. The frequency shifter was originally to be based on...

Properties of photonic crystal fiber and the effective index model (1998)

Knight, J C, Birks, T A, DeSandro, J P

Properties of photonic crystal fiber and the effective index model (1998)

Knight, J C, Birks, T A, DeSandro, J P

Properties of photonic crystal fiber and the effective index model (1998)

Knight, J C, Birks, T A, DeSandro, J P

All fibre 2x2 polarisation insensitive switch (1997)

Culverhouse, D O, Laming, R I, Farwell, S G, Birks, T A, Zervas, M N

available from the

All-fibre acousto-optic filter with low polarization sensitivity and no frequency shift (1997)

Yun, S H, Richardson, D J, Culverhouse, D O, Birks, T A

Low loss all-fibre acousto-optic tunable filter (1997)