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Today's date is Friday, September 25, 2020
Physics Seminars
 December 2011
Tuesday 06
15:45 - SEMINAR - Complex Periodic Magnetic Nanostructures : An Experimental Platform for Magnomics More Information
Periodic magnetic nanostructures are attracting considerable interest because of their unique properties and potential in applications such as ultra-high density bit patterned media, logic devices and non-volatile memory. Recently, there has been a growing interest aimed at the fundamental understanding of lateral periodic magnetic composites, which have been conceived as the magnetic counterpart of a photonic crystal, with spin waves acting as the information carrier. Such periodic magnetic composites are referred to as "magnonic crystals" (MC) with unique properties that are not found in homogenous magnetic nanostructures. The first part of this talk will focus on the use of deep ultra-violet lithography technique in synthesizing coupled periodic magnetic nanostructures of varying geometrical parameters over a very large area. We have used resolution enhancement techniques to fabricate arrays of magnetic nanostructures with lateral dimensions and inter-element spacing below the conventional resolution limit of optical lithography tools [1]. The second part of the talk will discuss our work on high quality bi-component magnonic crystals [2]. The last part of the talk will focus on results of our recent systematic investigation of both the static and dynamic properties of MCs using magneto-optical Kerr effect measurements, magnetic force microscopy and broadband ferromagnetic resonance spectroscopy in collaboration with Prof. Mikhail Kostylev at the University of Western Australia [3]. [1] A. O. Adeyeye, N. Singh, Journal of Physics D-Applied Physics-Topical Review, 41,153001 (2008). [2] Z. K. Wang, V. L. Zhang, H. S. Lim, S. C. Ng, M. H. Kuok, S. Jain, A. O. Adeyeye, Applied Physics Letters, 94, 083112 (2009) and ACS-Nano,4(2) , 643 (2010). [3] J. Ding, M. Kostylev, and A. O. Adeyeye Physical Review Letters 107,047205 (2011) and J. Ding, M. Kostylev, and A. O. Adeyeye Physical Review B 84, 054425 (2011)
Friday 16
15:00 - SEMINAR - Physics Seminar : How to shape single photons and trap single atoms More Information
Single photons and single atoms are important carriers of quantum information. Using a network of atoms that are coupled to one another by single photons [1], it is possible to generate a cluster state: a highly entangled state that can be used as a resource for quantum computation.

We have developed a deterministic source of single photons based on a single atom strongly coupled to an optical cavity [2]. The atom is driven to emit single photons in to the cavity mode using the coherent process of vacuum-STIRAP. Furthermore, by changing the driving laser pulse, we can precisely control the amplitude and phase of the photon wavepacket. We observe the effect of changing the phase of the photon on the Hong-Ou-Mandel interference between two successive photons. Using the reverse process, we aim to reabsorb these single photons with a second atom-cavity system, thus generating an entangled state between two distant atoms.

In addition, we are working on a method to trap and control single atoms with optical tweezers [3]. The tweezers are based on a highly focussed red-detuned dipole trapping laser. The shape of the trapping beam is controlled using a spatial light modulator (SLM) in order to produce arbitrarily-shaped trapping potentials. We demonstrate the ability of this setup to trap and dynamically transport small clouds of atoms, and show how this can be integrated with a network of fibre-tip optical cavities

[1] A. Kuhn and D. Ljunggren, Cavity-based single-photon sources, Contemporary Physics 51, 289 (2010)

[2] Peter B R Nisbet-Jones et al, Highly efficient source for indistinguishable single photons of controlled shape, New J. Phys. 13 103036 (2011)

[3] Cecilia Muldoon et al, Control and Manipulation of Cold Atoms in Optical Tweezers, arXiv:1109.0657 (2011)

 February 2012
Tuesday 28
15:45 - SEMINAR - Physics Seminar : Broadband and tunable optical nanoantennas for optical communications, sensing and quantum applications More Information
Conventional antennas, which are widely used to transmit radio and TV signals, can be used at optical frequencies as long as they are shrunk to nanometer-size dimensions. Optical nanoantennas possess plasmonic modes – collective oscillations of the metal's conduction electrons – that strongly enhance the coupling between light and nanoantenna and allow for manipulating light on a scale smaller than light's wavelength. Based on this ability, optical nanoantennas offer unique opportunities regarding key applications such as optical communications, photovoltaics, non-classical light emission, and sensing. From a multitude of suggested nanoantenna concepts the Yagi-Uda nanoantenna, an optical analogue of the well-established radio-frequency Yagi-Uda antenna, stands out by its efficient unidirectional light emission and enhancement.

Following a brief introduction to the emerging field of optical nanoantennas, the first part of the talk will review our recent activities on optical Yagi-Uda nanoantennas and discuss several extensions of the conventional Yagi-Uda antenna design for broadband and tunable operation for applications in nanophotonic circuits, solar cells and nanosensors.

The second part of the talk will discuss novel optical nanoantennas proposed as integrated sources of nonclassical light. We demonstrate theoretically that these nanoantennas ensure both a large broadband spontaneous emission enhancement and high collection efficiency for horizontally and vertically polarized photons emitted by a semiconductor quantum dot. The suggested nanoantenna designs make a step forward toward reliable, efficient and on-chip integrable sources of polarization entangled photons for a variety of quantum applications.

Dr. Ivan Maksymov received his PhD from Kharkov National University of Radio Electronics (Ukraine) in 2008, where he later held the positions of Lecturer and Assistant Professor. Afterwards he took a postdoc position at Institute of Optics (Palaiseau, France) where he worked on plasmonic sources of nonclassical light. Currently, he is a postdoctoral fellow at the Nonlinear Physics Centre, ANU working on theory of optical nanoantennas.

 March 2012
Tuesday 06
13:00 - EVENT - UWA Careers Centre Employer Talk 2012 - The Boston Consulting Group : Find out more about the Boston Consulting Group. Don't miss the chance to meet them on campus. Website | More Information
BCG is a global management consulting firm and the world's leading advisor on business strategy. We partner with clients in all sectors and regions to identify their highest-value opportunities, address their most critical challenges, and transform their businesses. Our customised approach combines deep insight into the dynamics of companies and markets, with close collaboration at all levels of the client organisation. This ensures that our clients achieve sustainable competitive advantage, build more capable organisations, and secure lasting results.

We have offices in Canberra, Melbourne, Perth and Sydney and would like to invite you to our on-campus presentation on full-time graduate career opportunities. This presentation will be a good opportunity for you to find out more about the high impact work we do and a terrific opportunity to meet people from the local offices of BCG.
Wednesday 07
13:00 - TALK - UWA Careers Centre- EMPLOYER TALK 2012- McKinsey & Company : Find out more about working for McKinsey & Company. Don't miss the chance to meet them on campus. Website | More Information
McKinsey & Company is the world's most influential management consulting firm. In 2011 we served private companies and public sector institutions from more than 89 offices in over 50 countries. In a career with McKinsey, you will build unparalleled expertise, work with leading corporations around the world, and have real impact. We are looking for bright, creative women and men, of exceptional intellectual ability and character, to join our consulting team. We offer one of the most attractive opportunities in Australia for new graduates. We give you incomparable work experience, cutting-edge training, and exposure to many industries around the world.

19:00 - TALK - The Moon, Apollo, Spaceship Earth and all that... More Information
Prof. O’Brien gives an illustrated talk linking together his careers of being Professor of Space Science in the USA during the Apollo era in the 1960s, the first Director of Environmental Protection and first Chairman of the Environmental Protection Authority (EPA) in WA 1971 -1977, and his strategic and environmental consultancy 1978 to date with his return to academic circles and recent discoveries about inescapable lunar dust, “the Number 1 environmental problem” on the surface of the Moon for humans and robotic expeditions. He lectured the astronaut class of 1964 that contained many Apollo astronauts including Buzz Aldrin. He is Principal Investigator for 4 Dust Detector Experiments and a Charged Particle Lunar Environment Experiment, left on the Moon to make measurements of the environment of the Moon at Apollo 11, 12, 14 and 15 sites. Global awareness of the environment and the fragility of “Spaceship Earth” was fostered by Apollo photos of the blue and white planet in the blackness of space. Many details of drama, humour, tragedy, global and personal excitement are presented for discussion and questions. For example, Brian was in Mission Control in Houston for the extraordinary human drama of trying to save the Apollo 13 astronauts lost in space.
Thursday 08
13:00 - TALK - UWA Careers Centre Employer Talk - Bain & Company Recruitment Presentation : Find out more about working for Bain & Company. Don't miss the chance to meet them on campus. Website | More Information
Have you considered a career in Management Consulting? Do you want to find out more about working for Bain & Company and the type of work we do? If so then come along to our recruiting presentation to meet Bainies and hear all about the work we do.
Tuesday 13
13:00 - TALK - UWA Careers Centre Employer Talk 2012 - Chevron : Find out more about working for Chevron. Don't miss the chance to meet them on campus. Website | More Information
Engineering, Geology, Computer Science/IT, Maths, Physics and Business students welcome.

Refreshments to follow presentation. Bookings essential on CareerHub.
Thursday 15
12:00 - EVENT - UWA Careers Centre Employer Talk 2012 - Shell : Find out more about working for Shell. Don't miss the chance to meet them on campus. Website | More Information
We are seeking final year students studying Mechanical/Chemical/Electrical/Petroleum/Oil & Gas Engineering and Geosciences.

For our commercial positions we are seeking final year students studying Commerce/Business/Finance/Economics/Marketing and Human Resources degrees.

Come and find out more at our employer recruitment talk.

Bookings essential on CareerHub. REFRESHMENTS TO FOLLOW!
Wednesday 21
19:00 - PUBLIC TALK - The Moon, Apollo, Spaceship Earth and all that... More Information
Prof. O’Brien gives an illustrated talk linking together his careers of being Professor of Space Science in the USA during the Apollo era in the 1960s, the first Director of Environmental Protection and first Chairman of the Environmental Protection Authority (EPA) in WA 1971 -1977, and his strategic and environmental consultancy 1978 to date with his return to academic circles and recent discoveries about inescapable lunar dust, “the Number 1 environmental problem” on the surface of the Moon for humans and robotic expeditions. He lectured the astronaut class of 1964 that contained many Apollo astronauts including Buzz Aldrin. He is Principal Investigator for 4 Dust Detector Experiments and a Charged Particle Lunar Environment Experiment, left on the Moon to make measurements of the environment of the Moon at Apollo 11, 12, 14 and 15 sites. Global awareness of the environment and the fragility of “Spaceship Earth” was fostered by Apollo photos of the blue and white planet in the blackness of space. Many details of drama, humour, tragedy, global and personal excitement are presented for discussion and questions. For example, Brian was in Mission Control in Houston for the extraordinary human drama of trying to save the Apollo 13 astronauts lost in space.
Thursday 22
13:00 - TALK - UWA Careers Centre Employer Talk 2012 - Microsoft Meet the Company Presentation : Find out more about working for Microsoft. Don't miss the chance to meet them on campus. Website | More Information
Meet a Microsoft recruiter at the upcoming presentation! Come hear about the cool technologies that you could develop at Microsoft. Learn how to prepare yourself to land a job or internship as a software development engineer or software development engineer in test. Find out more about living and working at our different locations in the US!

BRING YOUR RESUME FOR A CHANCE TO WIN AN XBOX!
Tuesday 27
13:00 - TALK - UWA Careers Centre - Teach For Australia "Ace Your Application" : Want to know how to get your graduate application to the top of the pile? Want to learn how to transform an average application response into one that will get you noticed? Website | More Information
Want to know how to get your graduate application to the top of the pile? Want to learn how to transform an average application response into one that will get you noticed?

Two reps from Teach for Australia will talk you through the various components of the graduate selection process.

We'll fill you in on the do's and don'ts of graduate applications to make sure you avoid common mistakes and know what employers look for.

Bookings essential through UWA CareerHub - https://uwa.careerhub.com.au

13:00 - SEMINAR - Understanding Karma : In every field of life we enjoy the results of our work, or we suffer the results. This is called Karma Website | More Information
Material nature itself is constituted by three qualities: the mode of goodness, the mode of passion and the mode of ignorance. Above these modes there is eternal time, and by a combination of these modes of nature and under the control and purview of eternal time there are activities, which are called karma. These activities are being carried out from time immemorial, and we are suffering or enjoying the fruits of our activities. For instance, suppose I am a businessman and have worked very hard with intelligence and have amassed a great bank balance. Then I am an enjoyer. But then say I have lost all my money in business; then I am a sufferer. Similarly, in every field of life we enjoy the results of our work, or we suffer the results. This is called karma.
Thursday 29
19:30 - EVENT - UPS Quiz Night Website | More Information
UPS Presents: quiz night in the Tav. $12 non-members, $10 members, group discounts available.
Saturday 31
17:00 - FESTIVAL - Astrofest : An astronomical extravaganza Website | More Information
'Astrofest' is an astronomical extravaganza, featuring a range of interesting and engaging activities for anyone and everyone to enjoy whether they're 'astro-nerds' or 'cosmic-newbies'.

Astrofest will start before the sun sets, with displays, information booths 'space domes' and activities. Then after the sun goes down Night sky observing will get underway. Plus science talks given by local astronomers, stalls and displays from local societies, groups, organisations and Universities and an Astrophotography exhibition.

 April 2012
Tuesday 17
13:00 - EVENT - UWA Careers Centre - Schlumberger Employer Talk : Schlumberger is seeking people with Engineering, Geosciences or Computer Science degrees Website | More Information
This information session, which is open to all Engineering and Geosciences, Computer Science students, will cover history of Schlumberger, why choose Schlumberger, graduate and vacation work opportunities and discuss the lifestyle of working in the field. The two main roles we will cover are the Field Engineer and Petro Technical Engineer.

Those studying a Science degree are eligible to apply for the Field Engineer role, but we will also talk about positions as a PetroTechnical engineer as well for GeoScience and Computer Science backgrounds.

If you are looking for an exciting international career, rewarding opportunities and an attractive compensation package, we encourage you to come along and view the information session and ask any questions you may have.

Bookings essential on UWA CareerHub - https://uwa.careerhub.com.au!

 June 2012
Thursday 07
10:00 - VISITING SPEAKER - The "all you can eat" guide to the Three Minute Thesis : Three Minute Thesis: A comprehensive guide to preparing and presenting a compelling 3MT talk Website | More Information
The Three MInute Thesis (3MT) is a fun and challenging event that encourages the communication of research to a wide audience. The UWA 3MT competition finals will be held on 25th July and this presentation is a comprehensive guide to the preparation and presentation of a compelling 3MT talk. The presenter, Simon Clews,is an experienced 3MT judge who has championed the 3MT competition in Australia and internationally.

 July 2012
Wednesday 25
12:00 - Competition - Three Minute Thesis Final : 10 PhD students will explain their research and its significance in just 3 minutes each. Website | More Information
The 3MT competition challenges research students to give a dynamic and engaging presentation about their research and its significance in a way that can be understood by everybody. The audience will select the "People's Choice" winner.

18:15 - EVENT - UWA Historical Society Annual Lecture 2012 : Mathematics and Women - 36 years at The University of Western Australia Website | More Information
The Annual Lecture is the highlight of the year for the UWA Historical Society and Convocation and we are delighted to welcome Winthrop Professor Cheryl Praeger to the podium to reflect upon her years on Campus and subsequent experiences and achievements.

Mathematician Cheryl Praeger has served the University of Western Australia as Lecturer, Senior Lecturer, and Professor since 1976. She leads a flourishing research group in pure mathematics and is in the top one per cent of highly cited mathematicians in the world.

Attendance is free.
Tuesday 31
15:45 - VISITING SPEAKER - Has the Higgs Boson been discovered at the CERN Large Hadron Collider? More Information
On July 4, 2012, based on preliminary data analyses both the ATLAS and CMS collaborations announced the discovery of a new fundamental particle that is consistent with the long sought after Higgs Boson. I will discuss the important role the Higgs Boson plays in the standard model of Particle Physics and present the latest search results of the ATLAS collaboration.

I will also discuss the next steps in elucidating the particle's true nature. Is it the Higgs Boson predicted by the standard model? Or is it a manifestation of something more exotic?

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